[go: up one dir, main page]

CN108018716A - A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics - Google Patents

A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics Download PDF

Info

Publication number
CN108018716A
CN108018716A CN201711468746.5A CN201711468746A CN108018716A CN 108018716 A CN108018716 A CN 108018716A CN 201711468746 A CN201711468746 A CN 201711468746A CN 108018716 A CN108018716 A CN 108018716A
Authority
CN
China
Prior art keywords
woven fabrics
self
mixed
temperature
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711468746.5A
Other languages
Chinese (zh)
Inventor
梅庆波
杨明忠
张建初
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711468746.5A priority Critical patent/CN108018716A/en
Publication of CN108018716A publication Critical patent/CN108018716A/en
Pending legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03Polysaccharides or derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/07Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
    • D06M11/11Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
    • D06M11/155Halides of elements of Groups 2 or 12 of the Periodic Table
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/77Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/15Proteins or derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/18Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/20Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/35Abrasion, pilling or fibrillation resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The present invention relates to non-woven fabrics preparing technical field, and in particular to a kind of preparation method of wear-resisting hydroscopicity non-woven fabrics.The present invention is to make non-woven fabrics base substrate by oneself as base material,Gelatin and modified sodium alginate are made by oneself as reinforcing agent,And it is aided with to be modified from preparing silicon collosol etc. and wear-resisting hydroscopicity non-woven fabrics is prepared,Fish-skin is handled first with aqueous slkali and Yoghourt to obtain self-control gelatin,Sodium metaperiodate is recycled to be modified sodium alginate,Generate oxidized sodium alginate,After calcium chloride solution being added into sodium alginate,Improve the wearability of non-woven fabrics,Hydrophilic radical in self-control gelatin is covered in self-control non-woven fabrics base substrate fiber surface,Make non-woven fabrics that there is preferable water imbibition,In addition sodium alginate, which assigns non-woven fabrics, has tack,Continue with acrylic emulsion and sodium molybdate is modified Ludox,Silica is promoted effectively to be filled in non-woven fabrics,Reduce the porosity of non-woven fabrics,Further improve the wear-resisting property and self-adhesion of non-woven fabrics,It is with a wide range of applications.

Description

A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics
Technical field
The present invention relates to non-woven fabrics preparing technical field, and in particular to a kind of preparation method of wear-resisting hydroscopicity non-woven fabrics.
Background technology
Non-woven fabrics is also known as adhesive-bonded fabric, is made of fiber orient or random, because of the appearance with cloth and some property Can and be called cloth.Non-woven fabrics has moisture-proof, ventilative, flexible, light, not combustion-supporting, easy decomposition, nontoxic nonirritant, color The features such as abundant, cheap, recyclable.Polypropylene granules are used as raw material, through high-temperature fusion, spinneret, paving guiding principle, heat more Writing that surpasses all the others takes continuous one-step to produce.It is a kind of fabric that need not be spinned cotton and woven cloth and be formed, simply by textile staple Or long filament is oriented or randomizing, formed fibre net structure, then using it is mechanical, hot sticky or chemical the methods of reinforce and Into.
Non-woven fabrics is widely portable to agricultural film, shoemaking, process hides, chemical industry, printing, vapour as environment-friendly materials of new generation Car, building materials, home decoration, mattress bedding, dress and personal adornment, health care disposable utensil, hotel's disposable product and gift The numerous areas such as bag, shopping bag, packaging bag.
Non-woven fabrics was being used in, it is existing obvious the defects of be exactly that wear-resisting property is poor, after a period of time, Its surface can be fluffed by mill, directly affect the performance and appearance of non-woven fabrics.The wear-resisting method of modifying of existing non-woven fabrics, usually It is that abrasionproof glue, even hard anti-wear glue-line are attached on two surfaces of non-woven fabrics, although playing the effect of abrasionproof, Non-woven fabrics soft specific in itself is lost, cannot get the accreditation of consumer.In addition, also there are water imbibition for current non-woven fabrics Difference, antibacterial ability is poor, anti-skidding and self-adhesion is not so good, and the non-woven fabrics being laid on furniture and floor is easy to slide from surface The defects of opening, making non-woven fabrics lose defencive function.
Therefore, developing a kind of non-woven fabrics that can solve above-mentioned performance issue is highly desirable.
The content of the invention
The technical problems to be solved by the invention:For current common non-woven fabric in use for some time, its surface meeting Fluffed by mill, directly affect the performance and appearance of non-woven fabrics, in addition also there are water imbibition difference and tack for common non-woven fabric Can be poor the problem of, the non-woven fabrics being laid on furniture and floor is easy to slip off from surface, non-woven fabrics is lost defencive function A kind of defect, there is provided preparation method of wear-resisting hydroscopicity non-woven fabrics.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics, it is characterised in that specifically preparation process is:
(1)Weigh 35~45g fish-skins and be put into pulper and blend, obtain fish-skin fragment, by fish-skin fragment, calcium hydroxide and go from The mixing of sub- water, which is placed in beaker, soaks, and obtains immersion fish-skin, with deionized water cleaning and dipping fish-skin, then by the fish-skin after cleaning and Yoghourt mixing is placed in fermentation tank, is sealed by fermentation, and after fermentation, takes out tunning, with deionized water rinsing tunning, Tunning after flushing and distilled water are mixed to be placed in water-bath and carry glue, filtering removes filter residue, takes out glue, glue is put Rotated in rotary evaporator, remove moisture removal, obtain self-control gelatin;
(2)Weigh 12~16g sodium alginates and pour into the beaker with 20~30mL absolute ethyl alcohols and be mixed, it is outstanding to obtain self-control Supernatant liquid, then weigh 3~5g sodium metaperiodates and pour into the beaker with 24~30mL deionized waters and be mixed, obtain making by oneself molten Liquid, self-control solution is added in above-mentioned self-control suspension, and reaction is mixed at room temperature unglazed, obtains reaction solution, continues The polyethylene glycol that reaction solution volume 3% is added into reaction solution is mixed, and obtains mixed liquor, mixed liquor and absolute ethyl alcohol are mixed Stirring is closed, filters and removes filtrate, wash filter residue with absolute ethyl alcohol, finally the filter residue after washing is put into surface plate, then by table Face ware is placed in drying in baking oven, obtains modified sodium alginate;
(3)Absolute ethyl alcohol, ammonium hydroxide and deionized water are mixed to be placed in beaker and stir reaction, obtains reaction solution, then into beaker The ethyl orthosilicate of reaction solution volume 11% and the absolute ethyl alcohol hybrid reaction of mixeding liquid volume 0.2% are added, obtains self-control reaction Liquid, then reaction solution, the acrylic emulsion that solid content is 49% and sodium molybdate will be made by oneself and mix and be placed in beaker, continue stirring instead Should, cooling discharging, obtains modified from preparing silicon collosol;
(4)Weighing 100~120g polypropylene heat temperature raisings makes its softening, and the polypropylene after softening is put into spinneret in spinneret, Self-control polypropylene fibre is obtained, self-control polypropylene fibre is placed in hot-forming in hot press, cooling discharging, obtains self-control nonwoven Cloth base substrate;
(5)Modified sodium alginate, self-control gelatin and calcium chloride solution are mixed to be placed in beaker and stir reaction, obtains reaction solution, It is mixed again by reaction solution and from preparing silicon collosol, obtains mixed liquor, continues self-control non-woven fabrics base substrate being put into mixed liquor Beaker in soak, be put into baking oven and dry after immersion, cooling discharging, up to wear-resisting hydroscopicity non-woven fabrics.
Step(1)The time that blends is 8~10min, and the mass ratio of fish-skin fragment, calcium hydroxide and deionized water is 1:2:5, soaking time is 3~5h, and wash number is 3~5 times, and the mass ratio of fish-skin and Yoghourt after cleaning is 1:5, fermentation temperature Spend for 35~45 DEG C, fermentation time is 1~2 day, and washing time is 2~4 times, the quality of tunning and distilled water after flushing Than for 1:4, glue temperature is put forward as 65~80 DEG C, and it is 1~3h to carry the glue time, and the revolving time is 8~12min.
Step(2)The mixing time is 24~32min, and mixing time is 6~8min, the stirring reaction time for 4~ 6h, mixing time are 45~60min, and the volume ratio of mixed liquor and absolute ethyl alcohol is 1;4, continue to be mixed the time as 9 ~11min, washing times are 1~3 time, and drying temperature is 65~75 DEG C, and drying time is 2~4h.
Step(3)The volume ratio of the absolute ethyl alcohol, the ammonium hydroxide that mass fraction is 16% and deionized water is 5:1:2, stir Reaction temperature is mixed as 32~45 DEG C, the stirring reaction time be 10~12min, and reaction temperature is 55~65 DEG C, the reaction time is 1~ 2h, the mass ratio of self-control reaction solution, the acrylic emulsion that solid content is 49% and sodium molybdate is 3:1:1, continue to stir reaction temperature For 85~95 DEG C, it is 45~60min to continue the stirring reaction time.
Step(4)The heat temperature raising temperature is 165~175 DEG C, and spinneret pressure is 0.4~0.6MPa, hot pressing temperature For 100~120 DEG C, hot pressing pressure is 1~3MPa.
Step(5)The mass ratio of the modified sodium alginate, self-control gelatin and calcium chloride solution that mass fraction is 7% For 5:3:1, stirring reaction temperature is 75~85 DEG C, and the stirring reaction time is 24~32min, reaction solution and the matter from preparing silicon collosol Amount is than being 3:1, the mixing time is 10~12min, and soaking temperature is 45~65 DEG C, and soaking time is 1~2h, drying temperature For 75~85 DEG C, drying time is 1~3h.
Compared with other methods, advantageous effects are the present invention:
(1)The present invention makes gelatin and modified sodium alginate by oneself as reinforcing agent, and be aided with and change to make non-woven fabrics base substrate by oneself as base material Property from preparing silicon collosol etc. wear-resisting hydroscopicity non-woven fabrics is prepared, reaction treatment is carried out to fish-skin first with aqueous slkali and Yoghourt Self-control gelatin is obtained, recycles sodium metaperiodate to be modified sodium alginate, due to containing in a monomeric unit of sodium alginate There are two adjacent hydroxyls, hydroxyl can be by sodium periodate oxidation into two aldehyde radicals, and generates oxidized sodium alginate, is preparing Cheng Zhong, itself and self-control gelatin are occurred physically or chemically to react, form the inierpeneirating network structure of densification, which is conducive to nothing The wear-resisting property of woven fabric is improved, while containing substantial amounts of-OH and-COO- in sodium alginate, and make by oneself in gelatin containing big - the NH of amount2With-COOH, Maillard reaction can occur between sodium alginate and self-control gelatin, and pass through intermolecular force, hydrogen The effect such as key and ionic bond is combined, so as to form interpenetrating cross-linked network structure, improve interaction force therebetween and Compatibility, after in addition adding calcium chloride solution into sodium alginate, two in sodium ion and calcium chloride solution in sodium alginate Chelation occurs for valency calcium ion, forms cross-linked network structure, improves the wearability of non-woven fabrics again;
(2)The present invention carries out fish-skin reaction treatment using aqueous slkali and Yoghourt and obtains self-control gelatin, makes by oneself in gelatin containing big - the NH of amount2With-COOH, these hydrophilic radicals are covered in the fiber surface of self-control non-woven fabrics base substrate, have non-woven fabrics preferable Water imbibition, in addition sodium alginate is a kind of high-molecular compound of high viscosity so that non-woven fabrics has tack, continues with third Olefin(e) acid lotion and sodium molybdate are modified to having sticking Ludox, since the silica in Ludox can be with acrylic acid Hydroxyl in resin crosslinks reaction, forms fine and close net structure, while colloidal silica particles pass through-OH keys or-O- With the anion ligand in sodium molybdate coordination cross-linked reaction occurs for key, forms colloidal sol formula structure, silica can be promoted to have It is filled in non-woven fabrics to effect, reduces the porosity of non-woven fabrics, make the structure of non-woven fabrics interbed finer and close, further improve nothing The wear-resisting property and self-adhesion of woven fabric, are with a wide range of applications.
Embodiment
Weigh 35~45g fish-skins and be put into pulper and blend 8~10min, obtain fish-skin fragment, be in mass ratio 1:2:5 Fish-skin fragment, calcium hydroxide and deionized water are mixed and are placed in 3~5h of immersion in beaker, immersion fish-skin is obtained, uses deionized water Cleaning and dipping fish-skin 3~5 times, then be 1 in mass ratio:5 are placed in the fish-skin after cleaning and Yoghourt mixing in fermentation tank, in temperature To be sealed by fermentation under conditions of 35~45 DEG C 1~2 day, after fermentation, tunning is taken out, fermented and produced with deionized water rinsing Thing 2~4 times, is 1 in mass ratio by the tunning after flushing and distilled water:4 mixing are placed in water-bath, temperature for 65~ 1~3h of glue is carried at 80 DEG C, filtering removes filter residue, takes out glue, and glue is placed in 8~12min of revolving in rotary evaporator, is removed Moisture, obtains self-control gelatin;Weigh 12~16g sodium alginates and pour into the beaker with 20~30mL absolute ethyl alcohols and be mixed 24~32min, obtains self-control suspension, then weighs 3~5g sodium metaperiodates and pour into the beaker with 24~30mL deionized waters 6~8min is mixed, obtains self-control solution, self-control solution is added in above-mentioned self-control suspension, is mixed at room temperature unglazed Stirring 4~6h of reaction is closed, obtains reaction solution, the polyethylene glycol for continuing to add reaction solution volume 3% into reaction solution is mixed 45 ~60min, obtains mixed liquor, is by volume 1;9~11min is mixed in mixed liquor and absolute ethyl alcohol by 4, is filtered and is removed filter Liquid, washs filter residue 1~3 time with absolute ethyl alcohol, finally the filter residue after washing is put into surface plate, then surface plate is placed in baking oven In, dry 2~4h at being 65~75 DEG C in temperature, obtains modified sodium alginate;It is 5 by volume:1:2 by absolute ethyl alcohol, matter Amount fraction be 16% ammonium hydroxide and deionized water mixing is placed in beaker, temperature be 32~45 DEG C at stirring reaction 10~ 12min, obtains reaction solution, then the nothing of the ethyl orthosilicate of addition reaction solution volume 11% and mixeding liquid volume 0.2% into beaker Water-ethanol, 1~2h of hybrid reaction at being 55~65 DEG C in temperature, obtains self-control reaction solution, then is 3 in mass ratio:1:1 will self-control Reaction solution, the acrylic emulsion that solid content is 49% and sodium molybdate mixing are placed in beaker, under conditions of temperature is 85~95 DEG C Continue stirring 45~60min of reaction, cooling discharging, obtains modified from preparing silicon collosol;Weigh 100~120g polypropylene heat temperature raisings Make its softening to 165~175 DEG C, the polypropylene after softening is put into spinneret, under conditions of pressure is 0.4~0.6MPa Spinneret, obtains self-control polypropylene fibre, and self-control polypropylene fibre is placed in hot press, is 100~120 DEG C, pressure in temperature For hot-forming, cooling discharging under conditions of 1~3MPa, self-control non-woven fabrics base substrate is obtained;By modified sodium alginate, self-control gelatin The calcium chloride solution for being 7% with mass fraction is 5 in mass ratio:3:1 mixing is placed in beaker, is stirred at being 75~85 DEG C in temperature 24~32min of reaction is mixed, obtains reaction solution, then is 3 in mass ratio:1 by reaction solution and from preparing silicon collosol be mixed 10~ 12min, obtains mixed liquor, continues self-control non-woven fabrics base substrate being put into the beaker with mixed liquor, is 45~65 DEG C in temperature 1~2h of lower immersion, is put into baking oven after immersion, and 1~3h, cooling discharging, up to wear-resisting suction are dried at being 75~85 DEG C in temperature Water type non-woven fabrics.
Example 1
Weigh 35g fish-skins and be put into pulper and blend 8min, obtain fish-skin fragment, be in mass ratio 1:2:5 by fish-skin fragment, hydrogen Calcium oxide and deionized water mixing are placed in beaker and soak 3h, obtain immersion fish-skin, with deionized water cleaning and dipping fish-skin 3 times, It is 1 in mass ratio again:5 are placed in the fish-skin after cleaning and Yoghourt mixing in fermentation tank, are sealed under conditions of being 35 DEG C in temperature Fermentation 1 day, after fermentation, takes out tunning, with deionized water rinsing tunning 2 times, by the tunning after flushing It is 1 in mass ratio with distilled water:4 mixing are placed in water-bath, carry glue 1h at being 65 DEG C in temperature, filtering removes filter residue, takes out Glue, glue is placed in rotary evaporator and rotates 8min, removes moisture removal, obtains self-control gelatin;12g sodium alginates are weighed to pour into 24min is mixed in beaker with 20mL absolute ethyl alcohols, obtains self-control suspension, then weigh 3g sodium metaperiodates and pour into and carry 6min is mixed in the beaker of 24mL deionized waters, obtains self-control solution, self-control solution is added to above-mentioned self-control suspension In, reaction 4h is mixed at room temperature unglazed, obtains reaction solution, continues to add the poly- second of reaction solution volume 3% into reaction solution 45min is mixed in glycol, obtains mixed liquor, is by volume 1;9min is mixed in mixed liquor and absolute ethyl alcohol by 4, is filtered Filtrate is removed, filter residue is washed 1 time with absolute ethyl alcohol, finally the filter residue after washing is put into surface plate, then surface plate is placed in In baking oven, dry 2h at being 65 DEG C in temperature, obtains modified sodium alginate;It is 5 by volume:1:2 divide absolute ethyl alcohol, quality Number is placed in beaker for 16% ammonium hydroxide and deionized water mixing, and stirring reaction 10min, obtains reaction solution at being 32 DEG C in temperature, The ethyl orthosilicate of reaction solution volume 11% and the absolute ethyl alcohol of mixeding liquid volume 0.2% are added into beaker again, is 55 in temperature Hybrid reaction 1h at DEG C, obtains self-control reaction solution, then is 3 in mass ratio:1:1 propylene that will make reaction solution by oneself, solid content is 49% Yogurt liquid and sodium molybdate mixing is placed in beaker, temperature be 85 DEG C under conditions of continue stirring reaction 45min, cooling discharging, Obtain modified from preparing silicon collosol;Weighing 100g polypropylene and being heated to 165 DEG C makes its softening, and the polypropylene after softening is put into In spinneret, the spinneret under conditions of pressure is 0.4MPa obtains self-control polypropylene fibre, and self-control polypropylene fibre is placed in heat In press, hot-forming, the cooling discharging under conditions of temperature is 100 DEG C, pressure is 1MPa, obtains self-control non-woven fabrics base substrate; It is 5 in mass ratio by the calcium chloride solution that modified sodium alginate, self-control gelatin and mass fraction are 7%:3:1 mixing is placed in beaker In, stirring reaction 24min, obtains reaction solution at being 75 DEG C in temperature, then is 3 in mass ratio:1 by reaction solution and from preparing silicon collosol 10min is mixed, obtains mixed liquor, continues self-control non-woven fabrics base substrate being put into the beaker with mixed liquor, is in temperature 1h is soaked at 45 DEG C, is put into after immersion in baking oven, 1h is dried at being 75 DEG C in temperature, cooling discharging, up to wear-resisting hydroscopicity without Woven fabric.
Example 2
Weigh 40g fish-skins and be put into pulper and blend 9min, obtain fish-skin fragment, be in mass ratio 1:2:5 by fish-skin fragment, hydrogen Calcium oxide and deionized water mixing are placed in beaker and soak 4h, obtain immersion fish-skin, with deionized water cleaning and dipping fish-skin 4 times, It is 1 in mass ratio again:5 are placed in the fish-skin after cleaning and Yoghourt mixing in fermentation tank, are sealed under conditions of being 40 DEG C in temperature Fermentation 1.5 days, after fermentation, takes out tunning, and with deionized water rinsing tunning 3 times, the fermentation after flushing is produced Thing and distilled water are 1 in mass ratio:4 mixing are placed in water-bath, carry glue 2h at being 93 DEG C in temperature, filtering removes filter residue, takes Go out glue, glue is placed in rotary evaporator and rotates 10min, remove moisture removal, obtain self-control gelatin;Weigh 14g sodium alginates Pour into the beaker with 25mL absolute ethyl alcohols and 28min is mixed, obtain self-control suspension, then weigh 4g sodium metaperiodates and pour into 7min is mixed in beaker with 26mL deionized waters, obtains self-control solution, self-control solution is added to above-mentioned self-control hangs In supernatant liquid, reaction 5h is mixed at room temperature unglazed, obtains reaction solution, continues to add reaction solution volume 3% into reaction solution 53min is mixed in polyethylene glycol, obtains mixed liquor, is by volume 1;4 mixed liquor and absolute ethyl alcohol are mixed 10min, filters and removes filtrate, wash filter residue 2 times with absolute ethyl alcohol, finally the filter residue after washing is put into surface plate, then will Surface plate is placed in baking oven, and dry 3h at being 70 DEG C in temperature, obtains modified sodium alginate;It is 5 by volume:1:2 will be anhydrous Ethanol, the ammonium hydroxide that mass fraction is 16% and deionized water mixing are placed in beaker, stirring reaction 11min at being 38 DEG C in temperature, Reaction solution, then the absolute ethyl alcohol of the ethyl orthosilicate of addition reaction solution volume 11% and mixeding liquid volume 0.2% into beaker are obtained, Hybrid reaction 1.5h at being 60 DEG C in temperature, obtains self-control reaction solution, then is 3 in mass ratio:1:1 will make reaction solution by oneself, contain admittedly Measure and be placed in for 49% acrylic emulsion and sodium molybdate mixing in beaker, continue stirring reaction under the conditions of at a temperature of 90 °C 53min, cooling discharging, obtains modified from preparing silicon collosol;Weighing 110g polypropylene and being heated to 170 DEG C makes its softening, will be soft Polypropylene after change is put into spinneret, and the spinneret under conditions of pressure is 0.5MPa, obtains self-control polypropylene fibre, will make by oneself Polypropylene fibre is placed in hot press, and hot-forming under conditions of temperature is 110 DEG C, pressure is 2MPa, cooling discharging, obtains Make non-woven fabrics base substrate by oneself;It is 5 in mass ratio by the calcium chloride solution that modified sodium alginate, self-control gelatin and mass fraction are 7%: 3:1 mixing is placed in beaker, and stirring reaction 28min, obtains reaction solution at being 80 DEG C in temperature, then is 3 in mass ratio:1 will be anti- Answer liquid and 11min is mixed from preparing silicon collosol, obtain mixed liquor, continue self-control non-woven fabrics base substrate being put into mixed liquor In beaker, 1.5h is soaked at being 55 DEG C in temperature, is put into after immersion in baking oven, 2h is dried at being 80 DEG C in temperature, cooling discharging, Up to wear-resisting hydroscopicity non-woven fabrics.
Example 3
Weigh 45g fish-skins and be put into pulper and blend 10min, obtain fish-skin fragment, be in mass ratio 1:2:5 by fish-skin fragment, Calcium hydroxide and deionized water mixing are placed in beaker and soak h, obtain immersion fish-skin, with deionized water cleaning and dipping fish-skin 5 times, It is 1 in mass ratio again:5 are placed in the fish-skin after cleaning and Yoghourt mixing in fermentation tank, are sealed under conditions of being 45 DEG C in temperature Fermentation 2 days, after fermentation, takes out tunning, with deionized water rinsing tunning 4 times, by the tunning after flushing It is 1 in mass ratio with distilled water:4 mixing are placed in water-bath, carry glue 3h at being 80 DEG C in temperature, filtering removes filter residue, takes out Glue, glue is placed in rotary evaporator and rotates 12min, removes moisture removal, obtains self-control gelatin;16g sodium alginates are weighed to fall Enter in the beaker with 30mL absolute ethyl alcohols and 32min is mixed, obtain self-control suspension, then weigh 5g sodium metaperiodates and pour into band Have in the beaker of 30mL deionized waters and 8min is mixed, obtain self-control solution, self-control solution is added to above-mentioned self-control suspends In liquid, reaction 6h is mixed at room temperature unglazed, obtains reaction solution, continues to add the poly- of reaction solution volume 3% into reaction solution 60min is mixed in ethylene glycol, obtains mixed liquor, is by volume 1;11min is mixed in mixed liquor and absolute ethyl alcohol by 4, Filter and remove filtrate, wash filter residue 3 times with absolute ethyl alcohol, finally the filter residue after washing is put into surface plate, then by surface plate It is placed in baking oven, dry 4h at being 75 DEG C in temperature, obtains modified sodium alginate;It is 5 by volume:1:2 by absolute ethyl alcohol, matter The ammonium hydroxide and deionized water mixing that amount fraction is 16% are placed in beaker, and stirring reaction 12min, obtains anti-at being 45 DEG C in temperature Liquid, then the absolute ethyl alcohol of the ethyl orthosilicate of addition reaction solution volume 11% and mixeding liquid volume 0.2% into beaker are answered, in temperature For hybrid reaction 2h at 65 DEG C, self-control reaction solution is obtained, then is 3 in mass ratio:1:1 will make reaction solution by oneself, solid content is 49% Acrylic emulsion and sodium molybdate mixing are placed in beaker, are continued stirring reaction 60min under conditions of being 95 DEG C in temperature, are cooled down out Material, obtains modified from preparing silicon collosol;Weighing 120g polypropylene and being heated to 175 DEG C makes its softening, by the polypropylene after softening It is put into spinneret, the spinneret under conditions of pressure is 0.6MPa, obtains self-control polypropylene fibre, self-control polypropylene fibre is put In hot press, hot-forming, the cooling discharging under conditions of temperature is 120 DEG C, pressure is 3MPa, obtains self-control non-woven fabrics base Body;It is 5 in mass ratio by the calcium chloride solution that modified sodium alginate, self-control gelatin and mass fraction are 7%:3:1 mixing is placed in burning In cup, stirring reaction 32min, obtains reaction solution at being 85 DEG C in temperature, then is 3 in mass ratio:1 is molten by reaction solution and self-control silicon 12min is mixed in glue, obtains mixed liquor, continues self-control non-woven fabrics base substrate being put into the beaker with mixed liquor, in temperature To soak 2h at 65 DEG C, it is put into after immersion in baking oven, 3h, cooling discharging, up to wear-resisting hydroscopicity is dried at being 85 DEG C in temperature Non-woven fabrics.
Comparative example
With the non-woven fabrics of company of Changshu City production as a comparison case
Non-woven fabrics in wear-resisting hydroscopicity non-woven fabrics produced by the present invention and comparative example is detected, the testing result such as institute of table 1 Show:
Tensile strength:It is measured using the standard of GB/T3917.3.
Tearing strength:It is measured using the standard of GB/T3923.1.
Wear-resisting property is tested:
Example 1~3 and comparative example product prepared by the present invention, the sample that size is 5cm × 5cm is cut into cut-off knife, It is divided into 4 groups, every group of 5 parts of parallel samples.20 samples are put into folder cloth annulus and screwed respectively, place it in disc type fabric On resistance to grinding machine.Start button is pressed, and observes the degree that sample is damaged, treats that sample ruptures, presses stop button, and record Data, are averaged.
Pilling is tested:
Martindale's fluffing instrument is selected, reference standard GB/T4802.2 is tested.
1 grade:It is qualified(The point that tangles is 0)It is phozy;
2 grades:It is qualified(Entanglement Dian≤5)Slight fluffing;
3 grades:It is unqualified(Entanglement Dian≤10)Fluff more serious;
4 grades:It is unqualified(Entanglement point>10)Fluffing is serious.
Water imbibition is tested:
Each one piece of the sample of two kinds of 30 × 60mm of sample is taken, its dry weight is weighed respectively, sample is put into the beaker of 250mL, add Enter 100mL deionized waters, place 10,30 and 60min, each period takes out and weighs once.Should gently it be trembled before weighing to not having Under water droplet.
Water content=sample weight in wet base-sample dry weight
1 performance measurement result of table
From the data in table 1, it can be seen that wear-resisting hydroscopicity non-woven fabrics produced by the present invention, have mechanical property it is strong, it is wear-resisting and be not easy balling-up, The advantages that good water absorption, hence it is evident that better than comparative example product.Therefore, there is wide prospect of the application.

Claims (6)

1. a kind of preparation method of wear-resisting hydroscopicity non-woven fabrics, it is characterised in that specifically preparation process is:
(1)Weigh 35~45g fish-skins and be put into pulper and blend, obtain fish-skin fragment, by fish-skin fragment, calcium hydroxide and go from The mixing of sub- water, which is placed in beaker, soaks, and obtains immersion fish-skin, with deionized water cleaning and dipping fish-skin, then by the fish-skin after cleaning and Yoghourt mixing is placed in fermentation tank, is sealed by fermentation, and after fermentation, takes out tunning, with deionized water rinsing tunning, Tunning after flushing and distilled water are mixed to be placed in water-bath and carry glue, filtering removes filter residue, takes out glue, glue is put Rotated in rotary evaporator, remove moisture removal, obtain self-control gelatin;
(2)Weigh 12~16g sodium alginates and pour into the beaker with 20~30mL absolute ethyl alcohols and be mixed, it is outstanding to obtain self-control Supernatant liquid, then weigh 3~5g sodium metaperiodates and pour into the beaker with 24~30mL deionized waters and be mixed, obtain making by oneself molten Liquid, self-control solution is added in above-mentioned self-control suspension, and reaction is mixed at room temperature unglazed, obtains reaction solution, continues The polyethylene glycol that reaction solution volume 3% is added into reaction solution is mixed, and obtains mixed liquor, mixed liquor and absolute ethyl alcohol are mixed Stirring is closed, filters and removes filtrate, wash filter residue with absolute ethyl alcohol, finally the filter residue after washing is put into surface plate, then by table Face ware is placed in drying in baking oven, obtains modified sodium alginate;
(3)Absolute ethyl alcohol, ammonium hydroxide and deionized water are mixed to be placed in beaker and stir reaction, obtains reaction solution, then into beaker The ethyl orthosilicate of reaction solution volume 11% and the absolute ethyl alcohol hybrid reaction of mixeding liquid volume 0.2% are added, obtains self-control reaction Liquid, then reaction solution, the acrylic emulsion that solid content is 49% and sodium molybdate will be made by oneself and mix and be placed in beaker, continue stirring and react, Cooling discharging, obtains modified from preparing silicon collosol;
(4)Weighing 100~120g polypropylene heat temperature raisings makes its softening, and the polypropylene after softening is put into spinneret in spinneret, Self-control polypropylene fibre is obtained, self-control polypropylene fibre is placed in hot-forming in hot press, cooling discharging, obtains self-control nonwoven Cloth base substrate;
(5)Modified sodium alginate, self-control gelatin and calcium chloride solution are mixed to be placed in beaker and stir reaction, obtains reaction solution, It is mixed again by reaction solution and from preparing silicon collosol, obtains mixed liquor, continues self-control non-woven fabrics base substrate being put into mixed liquor Beaker in soak, be put into baking oven and dry after immersion, cooling discharging, up to wear-resisting hydroscopicity non-woven fabrics.
A kind of 2. preparation method of wear-resisting hydroscopicity non-woven fabrics according to claim 1, it is characterised in that:Step(1)Institute The time that blends stated is 8~10min, and the mass ratio of fish-skin fragment, calcium hydroxide and deionized water is 1:2:5, soaking time 3 ~5h, wash number are 3~5 times, and the mass ratio of fish-skin and Yoghourt after cleaning is 1:5, fermentation temperature is 35~45 DEG C, fermentation Time is 1~2 day, and washing time is 2~4 times, and the mass ratio of tunning and distilled water after flushing is 1:4, put forward glue temperature For 65~80 DEG C, it is 1~3h to carry the glue time, and the revolving time is 8~12min.
A kind of 3. preparation method of wear-resisting hydroscopicity non-woven fabrics according to claim 1, it is characterised in that:Step(2)Institute The mixing time stated is 24~32min, and mixing time is 6~8min, and the stirring reaction time is 4~6h, be mixed the time be The volume ratio of 45~60min, mixed liquor and absolute ethyl alcohol is 1;4, it is 9~11min to continue the mixing time, and washing times are 1~3 time, drying temperature is 65~75 DEG C, and drying time is 2~4h.
A kind of 4. preparation method of wear-resisting hydroscopicity non-woven fabrics according to claim 1, it is characterised in that:Step(3)Institute The ammonium hydroxide and the volume ratio of deionized water that absolute ethyl alcohol, the mass fraction stated are 16% are 5:1:2, stirring reaction temperature for 32~ 45 DEG C, the stirring reaction time is 10~12min, and reaction temperature is 55~65 DEG C, and the reaction time is 1~2h, and self-control reaction solution, consolidate The acrylic emulsion and the mass ratio of sodium molybdate that content is 49% are 3:1:1, it is 85~95 DEG C to continue to stir reaction temperature, is continued The stirring reaction time is 45~60min.
A kind of 5. preparation method of wear-resisting hydroscopicity non-woven fabrics according to claim 1, it is characterised in that:Step(4)Institute The heat temperature raising temperature stated is 165~175 DEG C, and spinneret pressure is 0.4~0.6MPa, and hot pressing temperature is 100~120 DEG C, hot pressing Pressure is 1~3MPa.
A kind of 6. preparation method of wear-resisting hydroscopicity non-woven fabrics according to claim 1, it is characterised in that:Step(5)Institute The mass ratio for the calcium chloride solution that modified sodium alginate, self-control gelatin and the mass fraction stated are 7% is 5:3:1, stirring reaction temperature Spend for 75~85 DEG C, the stirring reaction time is 24~32min, and reaction solution and the mass ratio from preparing silicon collosol are 3:1, it is mixed Time is 10~12min, and soaking temperature is 45~65 DEG C, and soaking time be 1~2h, and drying temperature is 75~85 DEG C, during drying Between be 1~3h.
CN201711468746.5A 2017-12-29 2017-12-29 A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics Pending CN108018716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711468746.5A CN108018716A (en) 2017-12-29 2017-12-29 A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711468746.5A CN108018716A (en) 2017-12-29 2017-12-29 A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics

Publications (1)

Publication Number Publication Date
CN108018716A true CN108018716A (en) 2018-05-11

Family

ID=62072079

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711468746.5A Pending CN108018716A (en) 2017-12-29 2017-12-29 A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics

Country Status (1)

Country Link
CN (1) CN108018716A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110093810A (en) * 2019-05-08 2019-08-06 吉林大学 A kind of paper base for detecting water-injected meat/silica solution/polyvinyl alcohol (PVA) changes colour composite membrane, preparation method and applications
CN111485427A (en) * 2020-05-08 2020-08-04 安徽省农业科学院棉花研究所 Method capable of enhancing hydrophilic property of cotton fiber
CN111979760A (en) * 2020-09-03 2020-11-24 王言 Waterproof non-woven fabric and preparation method thereof
WO2024214334A1 (en) * 2023-04-11 2024-10-17 株式会社日本製鋼所 Method for producing nonwoven fabric sheet, device for producing nonwoven fabric sheet, and nonwoven fabric sheet

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002047589A1 (en) * 2000-12-11 2002-06-20 Young-Whan Yu Wearable cooling product
JP2002249987A (en) * 2001-02-20 2002-09-06 Nicca Chemical Co Ltd Method for producing porous structure
CN1616116A (en) * 2004-09-29 2005-05-18 杭州拜康医用产品有限公司 Water gel wound dressing containing radiation sensitive agent and preparing method
CN1807750A (en) * 2006-01-13 2006-07-26 浙江理工大学 Method for in-situ generating inorganic nanoparticles in textile
CN101713147A (en) * 2009-10-23 2010-05-26 张金六 Method for preparing non-woven wiping cloth
CN101886260A (en) * 2010-07-08 2010-11-17 南通飞拓生物科技有限公司 Composite film chromium-free passivant
CN102268753A (en) * 2010-06-04 2011-12-07 康力得生技股份有限公司 Manufacturing method of polymer fiber and wound dressing and obtained wound dressing
CN103147233A (en) * 2013-03-18 2013-06-12 浙江金三发非织造布有限公司 Spunlaid, pulp airlaid and spunlace-bonded non-woven fabric production process
CN105970605A (en) * 2016-05-26 2016-09-28 厦门大学 Graphene oxide composite non-woven fabric and preparation method and application thereof
CN106795669A (en) * 2015-02-16 2017-05-31 莱姆泰克株式会社 It is impregnated with the non-woven fabrics and its manufacture method of attritive powder
CN106758220A (en) * 2016-11-14 2017-05-31 安徽省天助纺织科技有限公司 A kind of high-strength abrasion-proof towel regeneration cotton yarn textile material and preparation method thereof
CN107141937A (en) * 2017-06-06 2017-09-08 常德金德镭射科技股份有限公司 A kind of preparation method of polymolecularity antimildew and antibacterial coated film

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002047589A1 (en) * 2000-12-11 2002-06-20 Young-Whan Yu Wearable cooling product
JP2002249987A (en) * 2001-02-20 2002-09-06 Nicca Chemical Co Ltd Method for producing porous structure
CN1616116A (en) * 2004-09-29 2005-05-18 杭州拜康医用产品有限公司 Water gel wound dressing containing radiation sensitive agent and preparing method
CN1807750A (en) * 2006-01-13 2006-07-26 浙江理工大学 Method for in-situ generating inorganic nanoparticles in textile
CN101713147A (en) * 2009-10-23 2010-05-26 张金六 Method for preparing non-woven wiping cloth
CN102268753A (en) * 2010-06-04 2011-12-07 康力得生技股份有限公司 Manufacturing method of polymer fiber and wound dressing and obtained wound dressing
CN101886260A (en) * 2010-07-08 2010-11-17 南通飞拓生物科技有限公司 Composite film chromium-free passivant
CN103147233A (en) * 2013-03-18 2013-06-12 浙江金三发非织造布有限公司 Spunlaid, pulp airlaid and spunlace-bonded non-woven fabric production process
CN106795669A (en) * 2015-02-16 2017-05-31 莱姆泰克株式会社 It is impregnated with the non-woven fabrics and its manufacture method of attritive powder
CN105970605A (en) * 2016-05-26 2016-09-28 厦门大学 Graphene oxide composite non-woven fabric and preparation method and application thereof
CN106758220A (en) * 2016-11-14 2017-05-31 安徽省天助纺织科技有限公司 A kind of high-strength abrasion-proof towel regeneration cotton yarn textile material and preparation method thereof
CN107141937A (en) * 2017-06-06 2017-09-08 常德金德镭射科技股份有限公司 A kind of preparation method of polymolecularity antimildew and antibacterial coated film

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
丁湖广 等: "《乡镇致富项目技术手册》", 30 September 2004 *
刘云 等: "氧化海藻酸钠交联海藻酸钙/明胶(半)互穿网络的制备及性能", 《高分子材料科学与工程》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110093810A (en) * 2019-05-08 2019-08-06 吉林大学 A kind of paper base for detecting water-injected meat/silica solution/polyvinyl alcohol (PVA) changes colour composite membrane, preparation method and applications
CN111485427A (en) * 2020-05-08 2020-08-04 安徽省农业科学院棉花研究所 Method capable of enhancing hydrophilic property of cotton fiber
CN111485427B (en) * 2020-05-08 2022-06-07 安徽省农业科学院棉花研究所 Method capable of enhancing hydrophilic property of cotton fiber
CN111979760A (en) * 2020-09-03 2020-11-24 王言 Waterproof non-woven fabric and preparation method thereof
WO2024214334A1 (en) * 2023-04-11 2024-10-17 株式会社日本製鋼所 Method for producing nonwoven fabric sheet, device for producing nonwoven fabric sheet, and nonwoven fabric sheet

Similar Documents

Publication Publication Date Title
CN108018716A (en) A kind of preparation method of wear-resisting hydroscopicity non-woven fabrics
CN104470720B (en) Comprise the multilayer structure making of microfibre cellulose layer
JPS59177054A (en) Absorbing material
CN103938298B (en) Inhale the preparation method of color fibre and suction look non-weaving cloth
TWI283184B (en) Nonwoven web with improved adhesion and reduced dust formation
KR101437082B1 (en) Manufacturing method of carboxymethyl cellulose nonwoven composite and use of using the same
CN106671519A (en) Degradable antibacterial multi-layer composite non-woven material containing natural-color bamboo pulp
JP2021038495A (en) Seaweed-modified polypropylene spun-bonded nonwoven fabric
CN110219197A (en) A method of utilizing cylinder mould machine Compound Machining blotting paper
CN101109135A (en) High stretch soft cotton and manufacturing method thereof
CN110055618A (en) Skin-friendly low-rewet ES composite short fiber for hot-air non-woven fabric surface layer and preparation method thereof
CN102304783A (en) Preparation method of antibacterial anti-flaming protein viscose fiber
CN101654889B (en) Bleached coniferous wood fluff pulp board and its preparation process
CN109942753A (en) A kind of macromolecule water uptake resin, composite absorption core and preparation method thereof
CN110318262A (en) A kind of aqueous shoe lining leather bass and preparation method thereof
CN107938165A (en) A kind of double-deck spunlace non-woven cloth of sanitary napkin
CN111691063A (en) Processing technology of water-punched non-woven fabric for cotton soft towel
CN110464547A (en) A kind of solid compound core body and the preparation method and application thereof
CN101397723A (en) Production process of novel high-softness high-elasticity spunlace clothing dressing
CN104997203A (en) Method for manufacturing composite non-woven fabric collar interlining
CN115045138A (en) Production process based on non-woven fabric composite paper
CN102817179A (en) Compostable and degradable surface layer material containing polylactic acid fiber and cotton fiber, and preparation method thereof
CN106510970A (en) Production process for fluff pulp for pad core layer in sanitary pad
CN111411529B (en) A thermal bonding method dust-free puffed paper and its preparation method and application
CN105088380A (en) Compound type non-woven collar interlining

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180511

RJ01 Rejection of invention patent application after publication