CN104264278B - A kind of have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier - Google Patents
A kind of have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier Download PDFInfo
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- CN104264278B CN104264278B CN201410498750.6A CN201410498750A CN104264278B CN 104264278 B CN104264278 B CN 104264278B CN 201410498750 A CN201410498750 A CN 201410498750A CN 104264278 B CN104264278 B CN 104264278B
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- 229920000297 Rayon Polymers 0.000 title claims abstract description 211
- 239000000829 suppository Substances 0.000 title claims abstract description 42
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 33
- 239000000835 fiber Substances 0.000 claims abstract description 30
- -1 polyoxyethylene Polymers 0.000 claims abstract description 24
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 18
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 18
- 241001330002 Bambuseae Species 0.000 claims abstract description 18
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 18
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 18
- 150000005215 alkyl ethers Chemical class 0.000 claims abstract description 18
- 239000011425 bamboo Substances 0.000 claims abstract description 18
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 18
- 239000001923 methylcellulose Substances 0.000 claims abstract description 18
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 18
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims description 76
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 24
- 239000004745 nonwoven fabric Substances 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 230000032683 aging Effects 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 18
- 229940047670 sodium acrylate Drugs 0.000 claims description 18
- 229920001817 Agar Polymers 0.000 claims description 17
- 239000008272 agar Substances 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 14
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 claims description 12
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 claims description 12
- JLFNLZLINWHATN-UHFFFAOYSA-N pentaethylene glycol Chemical compound OCCOCCOCCOCCOCCO JLFNLZLINWHATN-UHFFFAOYSA-N 0.000 claims description 12
- RRLOOYQHUHGIRJ-UHFFFAOYSA-M sodium;ethyl sulfate Chemical compound [Na+].CCOS([O-])(=O)=O RRLOOYQHUHGIRJ-UHFFFAOYSA-M 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 11
- 229920002125 Sokalan® Polymers 0.000 claims description 11
- 239000004584 polyacrylic acid Substances 0.000 claims description 11
- 229920002635 polyurethane Polymers 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 238000007654 immersion Methods 0.000 claims description 7
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 claims description 6
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 5
- 229960005137 succinic acid Drugs 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 22
- 230000008859 change Effects 0.000 description 6
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 208000003556 Dry Eye Syndromes Diseases 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000006216 vaginal suppository Substances 0.000 description 1
- 229940120293 vaginal suppository Drugs 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
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- Medicinal Preparation (AREA)
Abstract
The present invention relates to and a kind ofly have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose forms primarily of polymethyl methacrylate, methylcellulose, polyoxyethylene alkyl ether and bamboo fibre; This viscose has good hygroscopicity, crimpiness, flexibility, regain, ABRASION RESISTANCE and DIMENSIONAL STABILITY; In viscose, add some special additives simultaneously, can further improve the hygroscopicity of viscose, crimpiness, flexibility and water-retaining property, make it be more suitable for preparing suppository carrier, especially expandable carrier.
Description
Technical field
The present invention relates to a kind of viscose, particularly a kind of have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier.
Background technology
Viscose, belong to the one in artificial fibre, be form alkali cellulose by native cellulose through alkalization, then generate cellulose xanthate ester with carbon disulfide effect, be dissolved in the viscous solution obtained in sig water and claim viscose glue, viscose glue after wet spinning and a series for the treatment of process viscose.Viscose, owing to having the smooth characteristic such as nice and cool, ventilative, antistatic, makes it all be widely used in a lot of field.
Applicant is through research, viscose is applied to the preparation of suppository carrier, in preparation in particular for suppository expansion sliver, such as 103181889 disclose a kind of expandable vaginal suppository, and this suppository comprises the first expandable carrier, and this expandable carrier can be made up of viscose, due to the viscose that this viscose is common, its hygroscopicity and moisture regain poor performance, cause the water imbibition of the expansion sliver made and expansion character poor, can not play a role well; So be badly in need of the viscose providing a kind of hygroscopicity and the performance that gets damp again is all good at present, for suppository carrier, the particularly preparation of expansion sliver.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides and a kind ofly have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, viscose has good hygroscopicity and moisture regain.
The concrete technical scheme of the present invention is as follows:
The invention provides and a kind ofly have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 10-15 methylcellulose 3-5
Polyoxyethylene alkyl ether 1-3 bamboo fibre 0.1-0.3.
The present invention is by having good hygroscopicity and regain and flexibility by polymethyl methacrylate, methylcellulose, polyoxyethylene alkyl ether and bamboo fibre by the viscose that certain part by weight number prepares, and also tool has good wearability and DIMENSIONAL STABILITY.Its dry fracture strength >=2.5cN/dtex; Wet breaking strength >=1.7cN/dtex; Elongation at break 10.9 ± 1%.
In order to improve the hygroscopicity of viscose further, viscose of the present invention also comprises the agar of sodium acrylate that parts by weight are 3.4-3.7 part and 1 part.The mixture adding sodium acrylate and agar in viscose improves the water absorbing capacity of viscose, thus improves the hygroscopicity of viscose, and makes the viscose prepared have very strong water-retaining property.
Further improvement, it is 0.5 part of laruyl alcohol sodium sulfovinate, the octadecyl trimethyl ammonium chloride of 3.5 parts and the PEG400 of 0.1-0.3 part that viscose of the present invention also comprises parts by weight.The present invention, by after the mixture that adds laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400 in viscose, makes the viscose prepared have good flexibility, elasticity and crimpiness.
In order to improve the mixing of each composition of viscose, making, between each composition, there is good adhesion and caking property, being easily cross-linked; It is the hydroxypropyl acrylate of 0.4 part and the N hydroxymethyl acrylamide of 1.2-1.5 part that viscose of the present invention also comprises parts by weight.
Preferably, viscose of the present invention also comprises parts by weight is the butanedioic acid alkyl ester sulfonate sodium of 0.1-0.3 part and the sodium alkyl sulfate of 1.2 parts.
The present invention provides to comprise on the other hand has the viscose goods of the curling moisture regain performance of moisture absorption for the viscose of suppository carrier, and these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 5-10 viscose 80-90 nonwoven fabric 2-7.
The present invention by making viscose goods by cotton fiber, viscose together with nonwoven fabric, and these viscose goods have good water imbibition, can undergoes rapid expansion after water suction, and the diameter after expansion can increase by 50%.
Further improvement, these viscose goods also comprise the vinal that parts by weight are 5-10 part.
The present invention adds vinal in viscose goods, can significantly improve ABRASION RESISTANCE and the DIMENSIONAL STABILITY of viscose goods; Make it have suitable elasticity, be applicable to prepare suppository carrier.
Preferably, nonwoven fabric is that the polyacrylic acid of 25:1 and polyurethane are prepared from by ratio of weight and number.The nonwoven fabric prepared by the mixture of polyacrylic acid and polyurethane has good pliability and gas permeability, and DIMENSIONAL STABILITY is high, and ABRASION RESISTANCE is high.
Nonwoven fabric provided by the invention is through that following method prepares: polyacrylic acid and polyurethane being added volume ratio is that in the water of 2:1 and the mixed liquor of ethanol backflow 2h, obtained mixed solution, sprays silk by mixed solution melt blowing machine, dry, obtained nonwoven fabric.
The present invention provides on the other hand has the preparation method of the curling moisture regain performance of moisture absorption for the viscose of suppository carrier, and the method comprises the steps:
A. the mixture of polymethyl methacrylate, polyoxyethylene alkyl ether, methylcellulose and bamboo fibre being immersed in volume ratio is in the mixture of the G & W of 3:1, soaks 3h;
B. the mixture after immersion is immersed in NaOH again, makes alkaline mixt;
C. in alkaline mixt, add laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400, butanedioic acid alkyl ester sulfonate sodium and sodium alkyl sulfate and sodium acrylate and agar, mix, compacting, pulverize, aging, obtained aging after mixture;
D. the mixture after aging and carbon disulfide are reacted, to form xanthic acid mixture;
E. dissolved by xanthic acid mixture, form viscose glue, then carry out slaking, filter, degassed, spray silk, stretches, purifying and cutting;
F. hydroxypropyl acrylate is added and N hydroxymethyl acrylamide is cross-linked, compacting, obtained viscose.
The present invention is before Making viscose fiber, first the main component of Making viscose fiber is soaked 3h in the mixture of the G & W of 3:1, it can play the effect of activation, to contribute between main component and and other composition between mixing, and can play and tentatively improve the hygroscopicity of viscose and the object of regain.
Providing described viscose is preparing the application in suppository carrier on the other hand in the present invention; Particularly preparing the application in expandable carrier, the application especially in preparation expansion sliver.
Provided by the present invention have moisture absorption curling moisture regain performance and have good hygroscopicity, crimpiness, flexibility, regain, ABRASION RESISTANCE and DIMENSIONAL STABILITY for the viscose of suppository carrier; In viscose, add some special additives simultaneously, can further improve the hygroscopicity of viscose, crimpiness, flexibility and water-retaining property, make it be more suitable for preparing suppository carrier, especially expandable carrier.
Detailed description of the invention
Embodiment 1
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 10 methylcellulose 3
Polyoxyethylene alkyl ether 1 bamboo fibre 0.1.
Embodiment 2
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 13 methylcellulose 4
Polyoxyethylene alkyl ether 2 bamboo fibre 0.2
The preparation method of this viscose is:
A. the mixture of polymethyl methacrylate, polyoxyethylene alkyl ether, methylcellulose and bamboo fibre being immersed in volume ratio is in the mixture of the G & W of 3:1, soaks 3h;
B. the mixture after immersion is immersed in NaOH again, makes alkaline mixt;
C. alkaline mixt suppressed, pulverize, aging, obtained aging after mixture;
D. the mixture after aging and carbon disulfide are reacted, to form xanthic acid mixture;
E. dissolved by xanthic acid mixture, form viscose glue, then carry out slaking, filter, degassed, spray silk, stretches, purifying and cutting;
F. suppress, obtained viscose.
Embodiment 3
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 15 methylcellulose 5
Polyoxyethylene alkyl ether 3 bamboo fibre 0.3
Sodium acrylate 3.7 agar 1.
Embodiment 4
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 12 methylcellulose 4
Polyoxyethylene alkyl ether 2 bamboo fibre 0.2
Sodium acrylate 3.5 agar 1
The preparation method of this viscose is:
A. the mixture of polymethyl methacrylate, polyoxyethylene alkyl ether, methylcellulose and bamboo fibre being immersed in volume ratio is in the mixture of the G & W of 3:1, soaks 3h;
B. the mixture after immersion is immersed in NaOH again, makes alkaline mixt;
C. in alkaline mixt, add sodium acrylate and agar, mix, compacting, pulverize, aging, obtained aging after mixture;
D. the mixture after aging and carbon disulfide are reacted, to form xanthic acid mixture;
E. dissolved by xanthic acid mixture, form viscose glue, then carry out slaking, filter, degassed, spray silk, stretches, purifying and cutting;
F. suppress, obtained viscose.
Embodiment 5
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Embodiment 6
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
The preparation method of this viscose is:
A. the mixture of polymethyl methacrylate, polyoxyethylene alkyl ether, methylcellulose and bamboo fibre being immersed in volume ratio is in the mixture of the G & W of 3:1, soaks 3h;
B. the mixture after immersion is immersed in NaOH again, makes alkaline mixt;
C. in alkaline mixt, add laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400 and sodium acrylate and agar, mix, compacting, pulverize, aging, the mixture after obtained aging;
D. the mixture after aging and carbon disulfide are reacted, to form xanthic acid mixture;
E. dissolved by xanthic acid mixture, form viscose glue, then carry out slaking, filter, degassed, spray silk, stretches, purifying and cutting;
F. suppress, obtained viscose.
Embodiment 7
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Embodiment 8
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
The preparation method of this viscose is:
A. the mixture of polymethyl methacrylate, polyoxyethylene alkyl ether, methylcellulose and bamboo fibre being immersed in volume ratio is in the mixture of the G & W of 3:1, soaks 3h;
B. the mixture after immersion is immersed in NaOH again, makes alkaline mixt;
C. in alkaline mixt, add laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400 and sodium acrylate and agar, mix, compacting, pulverize, aging, the mixture after obtained aging;
D. the mixture after aging and carbon disulfide are reacted, to form xanthic acid mixture;
E. dissolved by xanthic acid mixture, form viscose glue, then carry out slaking, filter, degassed, spray silk, stretches, purifying and cutting;
F. hydroxypropyl acrylate is added and N hydroxymethyl acrylamide is cross-linked, compacting, obtained viscose.
Embodiment 9
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Embodiment 10
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
The preparation method of this viscose is:
A. the mixture of polymethyl methacrylate, polyoxyethylene alkyl ether, methylcellulose and bamboo fibre being immersed in volume ratio is in the mixture of the G & W of 3:1, soaks 3h;
B. the mixture after immersion is immersed in NaOH again, makes alkaline mixt;
C. in alkaline mixt, add laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400, butanedioic acid alkyl ester sulfonate sodium and sodium alkyl sulfate and sodium acrylate and agar, mix, compacting, pulverize, aging, obtained aging after mixture;
D. the mixture after aging and carbon disulfide are reacted, to form xanthic acid mixture;
E. dissolved by xanthic acid mixture, form viscose glue, then carry out slaking, filter, degassed, spray silk, stretches, purifying and cutting;
F. hydroxypropyl acrylate is added and N hydroxymethyl acrylamide is cross-linked, compacting, obtained viscose.
Embodiment 11
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 5
Viscose 80 prepared by embodiment 1
Nonwoven fabric 2.
Embodiment 12
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 6
Viscose 83 prepared by embodiment 3
Nonwoven fabric 5
Described nonwoven fabric is that the polyacrylic acid of 25:1 and polyurethane are prepared from by ratio of weight and number.
Embodiment 13
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 9
Viscose 87.5 prepared by embodiment 5
Nonwoven fabric 4
Described nonwoven fabric is that the polyacrylic acid of 25:1 and polyurethane are prepared from through following steps by ratio of weight and number: polyacrylic acid and polyurethane being added volume ratio is in the water of 2:1 and the mixed liquor of ethanol, backflow 2h, obtained mixed solution, mixed solution melt blowing machine is sprayed silk, drying, obtained nonwoven fabric.
Embodiment 14
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 7
Viscose 85 prepared by embodiment 9
Nonwoven fabric 6.
Embodiment 15
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 7.5
Viscose 88 prepared by embodiment 4
Nonwoven fabric 3
Vinal 5;
Described nonwoven fabric is that the polyacrylic acid of 25:1 and polyurethane are prepared from by ratio of weight and number.
Embodiment 16
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 10
Viscose 90 prepared by embodiment 6
Nonwoven fabric 7
Vinal 10.
Embodiment 17
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 8
Viscose 85 prepared by embodiment 8
Nonwoven fabric 5
Vinal 7.5.
Embodiment 18
A kind of viscose goods, these viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 7.5
Viscose 85 prepared by embodiment 10
Nonwoven fabric 5
Vinal 7
Described nonwoven fabric is that the polyacrylic acid of 25:1 and polyurethane are prepared from through following steps by ratio of weight and number: polyacrylic acid and polyurethane being added volume ratio is in the water of 2:1 and the mixed liquor of ethanol, backflow 2h, obtained mixed solution, mixed solution melt blowing machine is sprayed silk, drying, obtained nonwoven fabric.
Comparative examples 1
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 15 methylcellulose 5
Polyoxyethylene alkyl ether 3 bamboo fibre 0.3
Sodium acrylate 3.7.
Comparative examples 2
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 15 methylcellulose 5
Polyoxyethylene alkyl ether 3 bamboo fibre 0.3
Sodium acrylate 3.3 agar 1.
Comparative examples 3
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 15 methylcellulose 5
Polyoxyethylene alkyl ether 3 bamboo fibre 0.3
Sodium acrylate 3.8 agar 1.
Comparative examples 4
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Comparative examples 5
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
Comparative examples 6
Have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier, this viscose is grouped into primarily of the one-tenth of following parts by weight:
The wettability test of test example 1 viscose provided by the invention
1. assay method
Take a certain amount of viscose to be measured, be placed in the interior oven dry of Electric heat oven of uniform temperature, the moisture in viscose to be measured is evaporated, until viscose to be measured reaches constant weight;
2. Example 1, embodiment 3, the viscose of comparative examples 1, comparative examples 2 and comparative examples 3 and common viscose fiber, measure according to the method described above, calculates the regain of each viscose to be measured, the results are shown in Table 1.
Table 1 viscose regain result
As can be seen from Table 1, the viscose that the embodiment of the present invention 1 provides is compared with common viscose fiber, and regain increases; The viscose of embodiment 1 and embodiment 3 compares, and draws, the mixture adding sodium acrylate and agar in viscose can further improve the regain of viscose; Embodiment 3 is compared with the viscose of comparative examples 1-3, and when the ratio of weight and number of the sodium acrylate added and agar is not in the scope of 3.4-3.7:1, the regain of obtained viscose does not improve compared to embodiment 3; Also show that viscose provided by the invention has good hygroscopicity compared with common viscose fiber simultaneously.
The water retention test of test example 2 viscose provided by the invention
Take one gram of viscose to be measured, in 20 DEG C of water, soak 15min, under 1000g power, centrifugal 5min, weighs, and obtains wet sample weight, and dry 2.5h at 110 DEG C, then claims to constant weight, obtains dry-eye disease weight;
Example 1, embodiment 3, the viscose of comparative examples 1, comparative examples 2 and comparative examples 3 and common viscose fiber, measure according to the method described above, calculates the water retention rate of each viscose to be measured, the results are shown in Table 2.
Table 2 viscose water retention rate result
As can be seen from Table 2, the viscose that the embodiment of the present invention 1 provides is compared with common viscose fiber, and water retention rate does not change; The viscose of embodiment 1 and embodiment 3 compares, and draws, the mixture adding sodium acrylate and agar in viscose can improve the water retention rate of viscose; Embodiment 3 is compared with the viscose of comparative examples 1-3, and when the ratio of weight and number of the sodium acrylate added and agar is not in the scope of 3.4-3.7:1, the water retention rate of obtained viscose does not improve compared to embodiment 3.
The crimpiness test of test example 3 viscose provided by the invention
According to the method in GB/T13835-1, measure embodiment 1, embodiment 3, comparative examples 4, comparative examples 5 and the viscose of comparative examples 6 and the crispation number of common viscose fiber, the results are shown in Table 3.
Table 3 viscose crimp property result
As can be seen from Table 3, the viscose that the embodiment of the present invention 1 provides is compared with common viscose fiber, and crispation number does not change; Compared by the viscose of embodiment 1 and embodiment 3, draw, the mixture adding laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400 in viscose can improve the crispation number of viscose, can improve crimp property; Embodiment 3 is compared with the viscose of comparative examples 1-3, when the ratio of weight and number of the laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and the PEG400 that add is not in the scope of 0.5:0.3:0.1-0.3, the crimp property of obtained viscose, compared to embodiment 3, does not improve.
The flexibility test of test example 4 viscose provided by the invention
1. assay method
Viscose to be measured is cut into the size of 100mm*100mm, makes sample, when not applying loading, the thickness 10 samples overlaps obtained being measured, it can be used as viscose volume;
Viscose to be measured is cut into the size of 100mm*100mm, makes sample, after 10 sample overlaps, apply the loading of 5kgf (49N), when through 1min when, its thickness is measured, it can be used as the rear volume of compression;
Volume change (%)=[(after viscose volume-compression volume)/viscose volume] × 100.
2. Example 1, embodiment 3, the viscose of comparative examples 4, comparative examples 5 and comparative examples 6 and common viscose fiber, measure according to the method described above, calculates the volume change of each viscose to be measured, the results are shown in Table 4.
Table 4 viscose flexibility result
As can be seen from Table 4, the viscose that the embodiment of the present invention 1 provides is compared with common viscose fiber, and volume change increases, and shows, the viscose of embodiment 1 is compared with common viscose fiber, and flexibility increases; The viscose of embodiment 1 and embodiment 3 is compared, draw, the mixture adding laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400 in viscose can significantly improve the volume change of viscose, can significantly improve the flexibility of viscose; Embodiment 3 is compared with the viscose of comparative examples 1-3, when the ratio of weight and number of the laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and the PEG400 that add is not in the scope of 0.5:0.3:0.1-0.3, the flexibility of obtained viscose, compared to embodiment 3, does not improve.
Claims (11)
1. have the curling moisture regain performance of moisture absorption for a viscose for suppository carrier, it is characterized in that, described viscose is grouped into primarily of the one-tenth of following parts by weight:
Polymethyl methacrylate 10-15 methylcellulose 3-5
Polyoxyethylene alkyl ether 1-3 bamboo fibre 0.1-0.3.
2. have the curling moisture regain performance of moisture absorption as claimed in claim 1 for the viscose of suppository carrier, it is characterized in that, described viscose also comprises the agar of sodium acrylate that parts by weight are 3.4-3.7 part and 1 part.
3. have the viscose of the curling moisture regain performance of moisture absorption for suppository carrier as claimed in claim 2, it is 0.5 part of laruyl alcohol sodium sulfovinate, the octadecyl trimethyl ammonium chloride of 3.5 parts and the PEG400 of 0.1-0.3 part that described viscose also comprises parts by weight.
4. have the curling moisture regain performance of moisture absorption as claimed in claim 3 for the viscose of suppository carrier, it is characterized in that, it is the hydroxypropyl acrylate of 0.4 part and the N hydroxymethyl acrylamide of 1.2-1.5 part that described viscose also comprises parts by weight.
5. have the curling moisture regain performance of moisture absorption as claimed in claim 4 for the viscose of suppository carrier, it is characterized in that, it is the butanedioic acid alkyl ester sulfonate sodium of 0.1-0.3 part and the sodium alkyl sulfate of 1.2 parts that described viscose also comprises parts by weight.
6. comprise that claim 1-5 is arbitrary described has the curling moisture regain performance of moisture absorption for the viscose goods of the viscose of suppository carrier, it is characterized in that, described viscose goods are made primarily of the composition of following parts by weight:
Cotton fiber 5-10 viscose 80-90 nonwoven fabric 2-7.
7. viscose goods as claimed in claim 6, it is characterized in that, described viscose goods also comprise the vinal that parts by weight are 5-10 part.
8. viscose goods as claimed in claim 6, is characterized in that, described nonwoven fabric is that the polyacrylic acid of 25:1 and polyurethane are prepared from by ratio of weight and number.
9. viscose goods as claimed in claim 8, it is characterized in that, described nonwoven fabric is through that following method prepares: polyacrylic acid and polyurethane being added volume ratio is in the water of 2:1 and the mixed liquor of ethanol, backflow 2h, obtained mixed solution, mixed solution melt blowing machine is sprayed silk, dry, obtained nonwoven fabric.
10. according to claim 5 have the curling moisture regain performance of moisture absorption for a preparation method for the viscose of suppository carrier, and it is characterized in that, described method comprises the steps:
A. the mixture of polymethyl methacrylate, polyoxyethylene alkyl ether, methylcellulose and bamboo fibre being immersed in volume ratio is in the mixture of the G & W of 3:1, soaks 3h;
B. the mixture after immersion is immersed in NaOH again, makes alkaline mixt;
C. in alkaline mixt, add laruyl alcohol sodium sulfovinate, octadecyl trimethyl ammonium chloride and PEG400, butanedioic acid alkyl ester sulfonate sodium and sodium alkyl sulfate and sodium acrylate and agar, mix, compacting, pulverize, aging, obtained aging after mixture;
D. the mixture after aging and carbon disulfide are reacted, to form xanthic acid mixture;
E. dissolved by xanthic acid mixture, form viscose glue, then carry out slaking, filter, degassed, spray silk, stretches, purifying and cutting;
F. hydroxypropyl acrylate is added and N hydroxymethyl acrylamide is cross-linked, compacting, obtained viscose.
11. 1 kinds of claim 1-4 are arbitrary described has the curling moisture regain performance of moisture absorption for the viscose of suppository carrier, and it is characterized in that, the application in suppository carrier prepared by described viscose.
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| CN1544726A (en) * | 2003-11-17 | 2004-11-10 | 宜宾丝丽雅股份有限公司 | High-performance cellulose viscose and process for making same |
| CN101240454A (en) * | 2008-03-14 | 2008-08-13 | 福建宏远集团有限公司 | Solvent preparation method of cellulose blend fiber and application thereof |
| CN102639767A (en) * | 2009-07-31 | 2012-08-15 | 凯尔海姆纤维制品有限责任公司 | Regenerated cellulose fibre |
| CN104001179A (en) * | 2012-11-29 | 2014-08-27 | 哈尔滨欧替药业有限公司 | Expansion carrier for bearing effective components and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544726A (en) * | 2003-11-17 | 2004-11-10 | 宜宾丝丽雅股份有限公司 | High-performance cellulose viscose and process for making same |
| CN101240454A (en) * | 2008-03-14 | 2008-08-13 | 福建宏远集团有限公司 | Solvent preparation method of cellulose blend fiber and application thereof |
| CN102639767A (en) * | 2009-07-31 | 2012-08-15 | 凯尔海姆纤维制品有限责任公司 | Regenerated cellulose fibre |
| CN104001179A (en) * | 2012-11-29 | 2014-08-27 | 哈尔滨欧替药业有限公司 | Expansion carrier for bearing effective components and application thereof |
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Effective date of registration: 20211116 Address after: 150040 office building 7, Bohai Third Road, haping road concentration area, Harbin Economic Development Zone, Harbin, Heilongjiang Province Patentee after: Harbin Tianmei Pharmaceutical Co.,Ltd. Address before: 150069 No. 7, Bohai Third Road, Pingfang Industrial Zone, economic and Technological Development Zone, Harbin, Heilongjiang Province Patentee before: HARBIN OT PHARMACEUTICALS Co.,Ltd. Patentee before: Qiu Mingshi |
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Denomination of invention: A Viscose Fiber with Hygroscopic Curling and Moisture-regain Properties Used as a Suppository Carrier Effective date of registration: 20230908 Granted publication date: 20160420 Pledgee: China Merchants Bank Co.,Ltd. Harbin Branch Pledgor: Harbin Tianmei Pharmaceutical Co.,Ltd. Registration number: Y2023230000075 |
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