CN105110732B - A kind of polymer cement RG water-repellent paints and preparation method thereof - Google Patents
A kind of polymer cement RG water-repellent paints and preparation method thereof Download PDFInfo
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Abstract
The present invention provides a kind of polymer cement RG water-repellent paints, including liquid material and powder, and the liquid material includes emulsion, NXZ defoamers, A10 defoamers, dispersant, thickener, preservative, water；The powder includes white cement, coarse whiting；The present invention also provides a kind of polymer cement RG water-repellent paints, including liquid material and powder；The liquid material, each raw material weight proportioning of soup processed is：The parts by weight of modified polyacrylic acid elastic emulsion 90, the parts by weight of VAE emulsions 10,5281 nanometers of parts by weight of silicone acrylic emulsion 50 of SD, the parts by weight of 628 tert-fluoro emulsions of SD 60, the parts by weight of polycarboxylate sodium's dispersant 8, the parts by weight of 7010 type thickeners of DR 10, the parts by weight of A10 defoamers 5, the parts by weight of compound preservative LVA 5, the parts by weight of water 20.The present invention has the advantages that impermeability and impermeability are good, tensile strength is big, elongation at break is high, adhesion strength is big.
Description
Technical field
The present invention relates to a kind of polymer cement RG water-repellent paints and preparation method thereof, belong to water-repellent paint field.
Background technology
In field of waterproof materials, there are waterproof roll and the major class of water-repellent paint two at present, waterproof roll has the following disadvantages：①
There is overlapping the slot in coiled material work progress.Overlapping the slot is the weak link of coil waterproof layer, therefore, and whole waterproof layer can not the company of realization
Continuous property and globality.2. coiled material is under the conditions of sky paving, once there is seepage, on whole waterproof guard area, all exist because
There is the phenomenon of leak in channeling water.Therefore, the loss that seepage is caused can be larger, and breakthrough is difficult to determine.Repair difficulty big.3. it is right
Formation level requires higher, particularly basal plane moisture content, and basal plane moisture content is too high excessive, has a strong impact on construction of waterproof layer quality.
In underground engineering, because basal plane is often in dampness, and there is the contradiction of execution conditions and duration.4. special-shaped basal plane, constructs
Difficulty is larger.Use coiled material closed base insert root（Such as wall pipe）There is larger difficulty of construction, therefore, to waterproofer
Cheng Zhiliang can constitute considerable influence.5. glued property is poor, will be affected if any subsequent construction.6. construction exists certain
Disaster hidden-trouble.Therefore waterproof roll object of mainly constructing is：Underground additional waterproofing layer, roof waterproof.
Water-repellent paint has the advantage that 1. on the basal plane for entirely needing waterproof guard waterproof layer can form one continuously
Without any seam integral waterproofing layer.2. it can easily be constructed, and be can guarantee that on complex geometry basal plane
The reliability of waterproof layer, can effective closed base insert.3. aqueous waterproofing paint can construct in moisture substrate, no fire
Hidden danger.4. under full Sticking condition, it is often the point seepage that the destroyed place of waterproof layer occurs, the loss caused such as to occur seepage
It is smaller, easily repair.
But current water-repellent paint has the following disadvantages：1. waterproof layer scene shaping, quality of waterproof layer is artificially applied
The influence of work factor is larger.2. coating is under full Sticking condition, matrix because sedimentation or the temperature difference deform when, waterproof layer is easily drawn
Split.3. because of the not reason such as ultraviolet-resistant aging, exposed use is not made typically.4. water paint can not construct in subzero.
Solvent based coating has larger toxicity, pollutes environment in a short time, poisons workmen, and there is long-term pollution and uses（Live）Environment
Possibility.Easily fire, disaster hidden-trouble is more serious.Therefore, many cities are limited in underground and indoor waterproofing work and used.
RG water-repellent paints are mainly constructed object：The inside and outside waterproof in all kinds of ponds, the inside and outside additional waterproofing layer of underground engineering,
Waterproof, new and old roof waterproof, bridge waterproof, waterproof of non-concrete structure etc. between the lavatory of kitchen.
Current RG water-repellent paints are divided into two types：I types, for the construction waterproofing engineering under non-long-term Soaking environment, II
The architectural engineering that type is used under long-term Soaking environment.The product of I types and II types is distinguished as, and I type emulsion amount ratio II types are more, therefore
I type prices are higher than II type.
Existing RG water-repellent paints, have the following disadvantages：
（1）Impermeability and impermeability is poor, tensile strength and adhesion strength is small, elongation at break is low, uvioresistant ability；
（2）The construction waterproofing engineering that can not be both used under non-long-term Soaking environment, can be used under long-term Soaking environment
Architectural engineering；
（3）Emulsion consumption is more, and production cost is high；
（4）Elasticity is low, and freedom from cracking ability, film anticracking ability is small；
（5）Service life is short；
（6）Not low temperature resistant, low temperature flexibility is poor.
The content of the invention
The present invention is real to solve above technical problem there is provided a kind of polymer cement RG water-repellent paints and preparation method thereof
Existing following goal of the invention：
（1）RG water-repellent paints of the present invention, impermeability and impermeability are good；
（2）RG water-repellent paints of the present invention, tensile strength is big；
（3）RG water-repellent paints of the present invention, elongation at break is high；
（4）RG water-repellent paints of the present invention, adhesion strength is big；
（5）RG water-repellent paints of the present invention, the construction waterproofing engineering that can be used under non-long-term Soaking environment can be used for length
Architectural engineering under phase Soaking environment；
（6）RG water-repellent paints of the present invention, emulsion consumption is low, substantially reduces production cost；
（7）RG water-repellent paints of the present invention, elasticity is good, and freedom from cracking ability is strong, and film anticracking ability is more than 6MM；
（8）RG water-repellent paints of the present invention, service life is long, there is a good weather-proof, ageing-resistant performance, and service life is up to 50
Year；
（9）RG water-repellent paints of the present invention, good-extensibility, cracking resistance is excellent, low temperature resistant, and low temperature flexibility is good.
To solve above technical problem, the technical solution adopted by the present invention is as follows：
A kind of polymer cement RG water-repellent paints, it is characterised in that：The coating presses certain weight ratio by liquid material and powder
Mixing composition, the liquid material, including emulsion, NXZ defoamers, A10 defoamers, dispersant, thickener, preservative, water；The powder
Material includes white cement, coarse whiting.
The following is the further improvement to above-mentioned technical proposal：
The liquid material and the weight of powder ratio are 1:1.8.
The liquid material, is made up of following raw material weight proportioning of soup processed：Emulsion 720-770 parts by weight, NXZ defoamers 2.5-4.5 weights
Measure part, A10 defoamer 1-3 parts by weight, dispersant 2-4 parts by weight, thickener 2-4 parts by weight, preservative 0.5-2 parts by weight, water
70-80 parts by weight.
The powder quality percentage is：White cement 30-40%, coarse whiting 60-70%.
The liquid material, the weight proportion of each raw material, the preferably parts by weight of emulsion 750, the parts by weight of NXZ defoamers 3.5, A10
The parts by weight of defoamer 2, the parts by weight of dispersant 3, the parts by weight of thickener 3, the parts by weight of preservative 1, the parts by weight of water 75；The powder matter
Percentage is measured, is preferably：White cement 35, coarse whiting 65%.
A kind of polymer cement RG water-repellent paints, the coating is made up of liquid material and powder by certain weight ratio mixing, institute
Liquid material is stated, each raw material weight proportioning of soup processed is：
The parts by weight of modified polyacrylic acid elastic emulsion 90, the parts by weight of VAE emulsions 10, SD-5281 nanometers of silicone acrylic emulsions 50
Parts by weight, the parts by weight of SD-628 tert-fluoro emulsions 60, the parts by weight of polycarboxylate sodium's dispersant 8, the weight of DR-7010 types thickener 10
Measure part, the parts by weight of A10 defoamers 5, the parts by weight of compound preservative LVA 5, the parts by weight of water 20；
The part by weight of the powder each component is：
The parts by weight of white cement 40, the parts by weight of coarse whiting 20, the parts by weight of phenolic resin base glass carbosphere 25, gama-alumina
15 parts by weight, the parts by weight of silicon carbide micro-powder 10, the parts by weight of flyash 10, the parts by weight of nano titanium oxide 5, the weight of filler 100
Measure part, the parts by weight of naphthalene series high-efficiency water-reducing agent 6.
Described naphthalene series high-efficiency water-reducing agent is naphthalenesulfonate formaldehyde condensation compound；The filler is diatomite and white carbon, matter
Amount ratio is 3:1.
A kind of preparation method of polymer cement RG water-repellent paints, includes the preparation of white cement, the preparation of the white cement,
By white portland cement clinker, the lime stone of cement quality 3% is added, grinding is carried out, white cement is made；The grinding, is added
The grinding aid of cement performance is not damaged, and addition is the 0.5% of cement quality.
Described white cement, whiteness is 92%, and sulfur trioxide content is no more than 1.5%, and 0.080 millimeter of square hole screen is tailed over and do not surpassed
Cross 2%.
Had the advantages that using technical solution of the present invention：
（1）RG water-repellent paints of the present invention, impermeability and impermeability are good, and under 0.3MPa, 50min is waterproof；It is impervious
（Mortar back side）For 1.3MPa.
（2）RG water-repellent paints of the present invention, tensile strength is up to 5.2 MPa, and conservation rate is 99.4%, alkali process after heating
Conservation rate is 94.1% afterwards, and conservation rate is 97.3% after immersion processing.
（3）RG water-repellent paints of the present invention, elongation at break is high：Elongation at break is up to 345%, extension at break after heating
Rate is 328%, and elongation at break is 320% after alkali process, and elongation at break is fracture after 332%, UV treatment after immersion processing
Elongation is 325%.
（4）RG water-repellent paints of the present invention, adhesion strength is up to 1.8 MPa, and the adhesion strength of moist substrate is 1.7 MPa, alkali
Adhesion strength is 1.6 MPa after processing, and adhesion strength is 1.8 MPa after immersion processing.
（5）RG water-repellent paints of the present invention, the construction waterproofing engineering that can be used under non-long-term Soaking environment can be used for length
Architectural engineering under phase Soaking environment.
（6）RG water-repellent paints of the present invention, emulsion consumption is low, substantially reduces production cost.
（7）RG water-repellent paints of the present invention, elasticity is good, and freedom from cracking ability is strong, and film anticracking ability is more than 6MM.
（8）RG water-repellent paints of the present invention, service life is long, there is a good weather-proof, ageing-resistant performance, and service life is up to 50
Year.
（9）RG water-repellent paints of the present invention, good-extensibility, cracking resistance is excellent, also soft with excellent frost resistance and low temperature
Toughness, -35 DEG C of flawlesses, is particularly suitable for low temp area.
Specific embodiment：
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
A kind of polymer cement RG water-repellent paints, are made up of liquid material and powder by certain weight ratio mixing, wherein：
Liquid material formula is made up of following raw material weight proportioning of soup processed：
The parts by weight of emulsion 750, the parts by weight of NXZ defoamers 3.5, the parts by weight of A10 defoamers 2, the parts by weight of dispersant 3, increasing
Thick dose of 3 parts by weight, the parts by weight of preservative 1, the parts by weight of water 75；
The prescription quality percentage of powder is as follows：
White cement 35%, coarse whiting 65%.
The liquid material：The mass ratio of powder is 1:1.8.
Embodiment 2
A kind of polymer cement RG water-repellent paints, are made up of liquid material and powder by certain weight ratio mixing, wherein：
Liquid material formula is made up of following raw material weight proportioning of soup processed：
The parts by weight of emulsion 720, the parts by weight of NXZ defoamers 2.5, the parts by weight of A10 defoamers 1, the parts by weight of dispersant 2, thickening
The parts by weight of agent 2, the parts by weight of preservative 0.5, the parts by weight of water 70；
The prescription quality percentage of powder is as follows：
White cement 30%, coarse whiting 70%.
The liquid material：The mass ratio of powder is 1:1.8.
Embodiment 3
A kind of polymer cement RG water-repellent paints, are made up of liquid material and powder by certain weight ratio mixing, wherein：
Liquid material formula is made up of following raw material weight proportioning of soup processed：
The parts by weight of emulsion 770, the parts by weight of NXZ defoamers 4.5, the parts by weight of A10 defoamers 3, the parts by weight of dispersant 4, increasing
Thick dose of 4 parts by weight, the parts by weight of preservative 2, the parts by weight of water 80；
The prescription quality percentage of powder is as follows：
White cement 40%, coarse whiting 60%.
The liquid material：The mass ratio of powder is 1:1.8.
Embodiment 4
A kind of polymer cement RG water-repellent paints, are made up of liquid material and powder by certain weight ratio mixing, wherein：
Liquid material formula is made up of following raw material weight proportioning of soup processed：
The parts by weight of modified polyacrylic acid elastic emulsion 90, the parts by weight of VAE emulsions 10, the SD-5281 nanometers of weights of silicone acrylic emulsion 50
Measure part, the parts by weight of SD-628 tert-fluoro emulsions 60, the parts by weight of polycarboxylate sodium's dispersant 8, the parts by weight of DR-7010 types thickener 10,
The parts by weight of A10 defoamers 5, the parts by weight of compound preservative LVA 5,
The parts by weight of water 20.
The part by weight of the powder each component is：
The parts by weight of white cement 40, the parts by weight of coarse whiting 20, the parts by weight of phenolic resin base glass carbosphere 25, gama-alumina
15 parts by weight, the parts by weight of silicon carbide micro-powder 10, the parts by weight of flyash 10, the parts by weight of nano titanium oxide 5, the weight of filler 100
Measure part, the parts by weight of naphthalene series high-efficiency water-reducing agent 6.
The liquid material：The mass ratio of powder is 1:1.8.
Described naphthalene series high-efficiency water-reducing agent is naphthalenesulfonate formaldehyde condensation compound；
The filler is diatomite and white carbon, and mass ratio is 3:1；
The phenolic resin base glass carbosphere, preparation process is：By modified phenolic resin lipid microspheres under protection gas, heating
To 1500 DEG C, heating rate control obtains phenolic resin base glass carbosphere in 12 DEG C/min, high temperature cabonization after then cooling down；
The protective gas accumulates composition：2%H2、55%N2, 43%Ar%；
Remaining carbon is 83% after the high temperature cabonization；
The sphere diameter of the phenolic resin base glass carbosphere is 220-250 μm.
The preparation method of polymer cement RG water-repellent paints described in embodiment 5
The preparation of step 1, white cement：
By white portland cement clinker, the lime stone of cement quality 3% is added, grinding is carried out, adds and does not damage during grinding
The grinding aid of cement performance, addition is the 0.5% of cement quality；
The white cement whiteness of preparation is 92%, and sulfur trioxide content is no more than 1.5%, and 0.080 millimeter of square hole screen is tailed over and do not surpassed
Cross 2%.
The preparation of step 2, coarse whiting：
（1）Prepare big and heavy calcium：
Calcite, lime stone, chalk, shell that picking is shipped from stone pit first etc., to remove gangue；Then with broken
Machine carries out coarse crushing to calcite, lime stone, chalk, shell, then obtains fine powder with thunder illiteracy pendulum-type milling is broken, finally uses grader
Milling is classified, meets the mesh powder of granularity requirements 200 and is put in storage as product packaging, flour mill is otherwise returned and grinds again
Powder；
（2）Prepare ultrafine heavy calcium：
Suspension first is made in dry method fine powder it is placed in grinding machine and further crush, through dehydration, dries, fine heavy carbon is made
Sour calcium, fineness is 600 mesh.
Step 3, preparation liquid material and powder
Liquid material each component is weighed, is mixed under the stirring of 200r/min rotating speed, liquid material is prepared；
Powder each component is weighed, is mixed under 250r/min rotating speed, particle diameter is crushed to for 600 mesh, then dries to water
Divide content≤5%.
Step 4, preparation RG water-repellent paints
According to liquid material：The mass ratio of powder is 1:1.8, powder is slowly added into liquid material, at the uniform velocity stirred 15 minutes.
Dip coating with glass bar, see whether containing particle, if still contain a little particle if should continue stirring 3-5 minute up to
Grain all untill dissolving, stands 7 minutes, Inventive polymers water-repellent paint is made when being emerged in coating there is no bubble.
As a result：
（1）By the coating configured according to GB/T 23445-2009《Polymer cement waterproof paint》In requirement prepare
Film simultaneously carries out physical and mechanical property test：
A, the test result of embodiment 1-3 water-repellent paints are：
Under 0.3MPa, 35-38min is waterproof；
It is impervious（Mortar back side）For 0.9-1.1MPa；
Tensile strength reaches 4.3-4.6 MPa；
Elongation at break reaches 256-279%；
Adhesion strength reaches 1.56-1.59 MPa；
B, the test result of the water-repellent paint of embodiment 4 are：
Impermeability is good：Under 0.3MPa, 50min is waterproof；
It is impervious（Mortar back side）It is good：Impermeability is 1.3MPa；
Low temperature flexibility is good, -35 DEG C of flawlesses；
Tensile strength is big：Tensile strength is up to 5.2 MPa, and conservation rate is 99.4% after heating, and conservation rate is after alkali process
94.1%, conservation rate is 97.3% after immersion processing；
Elongation at break is high：Elongation at break is 328% up to 345%, after heating, is at 320%, immersion after alkali process
It is 332% after reason, is 325% after UV treatment.
Adhesion strength is big：Adhesion strength is up to 1.8 MPa, and the adhesion strength of moist substrate is bonding after 1.7 MPa, alkali process
Intensity is 1.6 MPa, and adhesion strength is 1.8 MPa after immersion processing.
（2）Water-repellent paint of the present invention, the construction waterproofing engineering that can be used under non-long-term Soaking environment can be used for long-term
Architectural engineering under Soaking environment.
（3）Water-repellent paint of the present invention, emulsion consumption is low, substantially reduces production cost.
（4）Water-repellent paint of the present invention, elasticity is good, and freedom from cracking ability is strong, and film anticracking ability is more than 6MM.
（5）Water-repellent paint anti-uv-ray of the present invention is strong, and service life is long, has good weather-proof, ageing-resistant performance, makes
With the life-span up to 50 years.
（6）Water-repellent paint of the present invention, good-extensibility, cracking resistance is excellent, also with excellent frost resistance and low temperature flexibility,
- 35 DEG C of low temperature are resistant to, are particularly suitable for low temp area.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (1)
1. a kind of polymer cement RG water-repellent paints, it is characterised in that：The coating is mixed by liquid material and powder by certain weight ratio
It is combined into, the liquid material, each raw material weight proportioning of soup processed is：
The parts by weight of modified polyacrylic acid elastic emulsion 90, the parts by weight of VAE emulsions 10, the SD-5281 nanometers of weight of silicone acrylic emulsion 50
Part, the parts by weight of SD-628 tert-fluoro emulsions 60, the parts by weight of polycarboxylate sodium's dispersant 8, the parts by weight of DR-7010 types thickener 10,
The parts by weight of A10 defoamers 5, the parts by weight of compound preservative LVA 5, the parts by weight of water 20；
The part by weight of the powder each component is：
The parts by weight of white cement 40, the parts by weight of coarse whiting 20, the parts by weight of phenolic resin base glass carbosphere 25, the weight of gama-alumina 15
Measure part, the parts by weight of silicon carbide micro-powder 10, the parts by weight of flyash 10, the parts by weight of nano titanium oxide 5, the parts by weight of filler 100,
The parts by weight of naphthalene series high-efficiency water-reducing agent 6；
Described naphthalene series high-efficiency water-reducing agent is naphthalenesulfonate formaldehyde condensation compound；The filler is diatomite and white carbon, mass ratio
Example is 3:1；
The liquid material：The mass ratio of powder is 1:1.8.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105505062A (en) * | 2016-01-05 | 2016-04-20 | 桐城市慧琦工贸有限公司 | JS waterproof paint and preparing method thereof |
| US9738563B1 (en) * | 2016-06-02 | 2017-08-22 | Nona And Advanced Materials Institute Limited | Ultra-flexible nano-modified cementitious waterproofing coating and method of manufacturing |
| CN107417197B (en) * | 2017-04-27 | 2020-02-18 | 锦州东方雨虹建筑材料有限责任公司 | Exposed wear-resistant polymer cement waterproof slurry and preparation method thereof |
| CN107311568B (en) * | 2017-07-14 | 2019-09-17 | 苏州市建筑科学研究院集团股份有限公司 | A kind of hydrophobic type polymer cement waterproof paint and preparation method thereof |
| CN107673692A (en) * | 2017-09-29 | 2018-02-09 | 佛山市涂无忧建材有限公司 | A kind of rigid anticracking waterproof coating and preparation method thereof |
| CN109554007B (en) * | 2018-11-14 | 2021-03-26 | 湖南先锋建材有限公司 | Impervious anti-cracking waterproof coating with strong bonding force and preparation method thereof |
| CN110145039B (en) * | 2019-06-20 | 2021-09-03 | 北京中核北研科技发展股份有限公司 | Acrylic polymer polyester tire on-site forming high-molecular coiled material and construction method |
| CN113667333B (en) * | 2021-07-15 | 2022-12-09 | 赵立军 | Water-based paint |
| CN114605885B (en) * | 2022-03-14 | 2023-04-25 | 河北匠工新型建筑材料有限公司 | Double-component back coating material for rock plate and preparation method thereof |
| CN115322604B (en) * | 2022-08-16 | 2023-05-30 | 老顽固(上海)新材料科技有限公司 | High-wear-resistance interior wall cement paint and preparation method thereof |
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| CN1150285C (en) * | 2002-05-23 | 2004-05-19 | 中国建筑材料科学研究院 | Low polymer gray ratio, high performance polymer cement waterproof coating and its production process |
| CN1718652A (en) * | 2005-07-21 | 2006-01-11 | 王立华 | Fiber reinforced type polymer cement waterproof paint |
| CN101108945B (en) * | 2007-07-19 | 2010-06-09 | 北京东方雨虹防水技术股份有限公司 | Flame-proof type polyalcohol cement basis composite water-proof paint |
| CN101429401A (en) * | 2007-11-06 | 2009-05-13 | 董善刚 | High-performance waterproof coating material of cement based polymer |
| CN101550309B (en) * | 2009-05-15 | 2011-11-09 | 苏州市姑苏新型建材有限公司 | II-type polymer cement waterproofing coating modified by nano materials and preparation method thereof |
| CN103694830B (en) * | 2013-12-06 | 2017-05-24 | 成都嘉新科技集团有限公司 | Polymer cement waterproof coating |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kou Xingting Inventor after: Han Shuang Inventor before: Han Shuang |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170726 Address after: Shandong Province, Weifang City, Taiwan town 262735 Village building three Shouguang City Kai Xin Waterproof Material Co Ltd Patentee after: Weifang Kaixin waterproof material Co., Ltd. Address before: Shandong Province, Weifang City, Taiwan town 262735 Village building three Shouguang City Kai Xin Waterproof Material Co Ltd Patentee before: Han Shuang |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Polymer cement RG waterproof coating and preparation method therefor Effective date of registration: 20171204 Granted publication date: 20170721 Pledgee: China Co truction Bank Corp Shouguang branch Pledgor: Weifang Kaixin waterproof material Co., Ltd. Registration number: 2017980000541 |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 262700 the third floor of cultural and creative building of Weifang science and Technology Institute, No. 1299, Weifang University of science and technology, Shouguang City, Shouguang City, Shandong Patentee after: Weifang Kaixin waterproof material Co., Ltd. Address before: Shandong Province, Weifang City, Taiwan town 262735 Village building three Shouguang City Kai Xin Waterproof Material Co Ltd Patentee before: Weifang Kaixin waterproof material Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: South head of sanzuoluo village, Taitou Town, Shouguang City, Weifang City, Shandong Province Patentee after: Kaixin waterproof material Co., Ltd Address before: 262700 the third floor of cultural and creative building of Weifang science and Technology Institute, No. 1299, Weifang University of science and technology, Shouguang City, Shouguang City, Shandong Patentee before: WEIFANG KAIXIN WATERPROOF MATERIAL Co.,Ltd. |