CN101632495B - Preparation method of compound smooth lining household rubber gloves - Google Patents
Preparation method of compound smooth lining household rubber gloves Download PDFInfo
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Abstract
The invention provides an improved preparation method of a pair of compound smooth lining household rubber gloves, taking mixed latex of NR and NBR as raw materials and comprising the following steps: soaking a glove model in a coagulating agent, and then successively soaking in primary gum, secondary gum and inner cladding gum after drying. In preparing the primary gum, the solid content ratio of NR to NBR is (20-40):(80-60), and the percentage M of a solid matter of the latex to a solid matter in the primary gum is 96-99; in preparing secondary gum, the solid content ratio of NR to NBR is (70-90):(10-30), and the percentage N of a solid matter of the latex accounts to a solid matter in the secondary gum is 66-69. Natural gum and butadiene-acrylonitrile rubber mixed in different proportions are cooperated with the latex to carry out lamination, wherein the primary gum layer is used for providing oil proof capacity and the secondary gum layer is used for connecting the primary gum layer and a flocking layer and simultaneously providing tensile strength to the whole glove. Due to the fact that a thickener is not added, the problems that the stability of the thickened latex is poorer and colloidal particles are easy to appear are solved while the thickening quality is ensured, and meanwhile, the thickening cost is reduced.
Description
Technical field:
The present invention relates to rubber gloves, particularly the preparation method of compound smooth lining household rubber gloves.
Background technology:
The household rubber gloves of Chu Shouing in the market, mostly make with natural rubber or paracril, it is a kind of single raw-material structure, single gloves made from natural rubber, good hand touch, but oil resistant fruit is poor, and product is easily aging in air causes the surface that the spraying phenomenon is arranged, thereby has influence on the use and the exterior quality of product.Single gloves made from paracril, the oil resistant characteristic is fine, but feel is stiff, dresses fatiguability.
By the household rubber gloves that the epoxy glue of butadiene-acrylonitrile rubber and natural gum is made, glove construction is optimized especially for dressing comfortableness, combines the softness of natural gum and the oil resistance of feel and butadiene-acrylonitrile rubber, prolongs its use and receives a mandate and have bright characteristics simultaneously.Constitute by three-deckers such as glue-line, secondary glue-line, internal coated layers.
How optimizing each layer performance and how to improve preparation technology, improve the quality of products, is current hot topic.
Summary of the invention:
The purpose of this invention is to provide a kind of method of having improved for preparing compound smooth lining household rubber gloves, this method can be optimized each layer performance, improve preparation technology and guarantee and improve the quality of products by optimizing sizing compound formula.
The present invention is a raw material with the mixing latex of NR and NBR, be included in and flood peptizer on the glove model, flood glue, secondary glue, internal coated layer after the drying successively, it is when glue of preparation, the solid content ratio of NR and NBR is, NR/NBR=20～40/80～60, the solid matter of latex account for percentage ratio M=96～99% of solid matter in glue; During preparation secondary glue, the solid content ratio of NR and NBR is, NR/NBR=70～90/10～30, and the solid matter of latex accounts for percentage ratio N=66～69% of solid matter in the secondary glue;
The batching mass ratio of a glue is in solid content, for:
NR：m＝19.2～39.48，NBR：100M-m，
KOH:0.1～0.5, ZnO: surplus,
Add up to: 100;
Mass percent by a glue adds following ingredients in addition:
Defoamer: 0.05～0.3%, mill base 0.01～0.1%, mask agent: 0.05～0.5%;
The viscosity of a glue is: 30 centipoises～180 centipoises;
The batching mass ratio of secondary glue is in solid content, for:
NR?n＝46.2～62.1，NBR?100N-n，
KOH and/casein food grade 0.25～0.7, the filler surplus,
Add up to: 100;
The mass percent of pressing secondary glue in addition adds following ingredients:
Defoamer 0.8～1.2%, mill base 0.01～0.1%, mask agent 0.05～0.5%;
The viscosity of secondary glue is: 120 centipoises～280 centipoises.
The preparation method of more optimal compound smooth lining household rubber gloves is in preparation during a glue, and the solid content ratio of NR and NBR is, NR/NBR=25～35/65～75, and the solid matter of latex accounts for percentage ratio M=98～99% of solid matter in glue; During preparation secondary glue, the solid content ratio of NR and NBR is, NR/NBR=75～85/15～25, and the solid matter of latex accounts for percentage ratio N=68～69% of solid matter in the secondary glue;
The batching mass ratio of a glue is in solid content, for:
NR：m＝25.4～34.65，NBR：100M-m，
KOH:0.3～0.5, ZnO: surplus,
Add up to: 100;
Mass percent by a glue adds following ingredients in addition:
Defoamer 0.05～0.3%, mill base 0.01～0.1%, mask agent 0.05～0.5%;
The viscosity of a glue is: 60 centipoises～120 centipoises;
The batching mass ratio of secondary glue is in solid content, for:
NR?n＝51～58.65，NBR 100N-n，
KOH and/casein food grade 0.3～0.5, the filler surplus,
Add up to: 100;
The mass percent of pressing secondary glue in addition adds following ingredients:
Defoamer 0.8～1.2%, mill base 0.01～0.1%, mask agent 0.05～0.5%;
The viscosity of secondary glue is: 140 centipoises～230 centipoises.
The present invention is in actual production process, the stably manufactured technology for the viscosity of keeping secondary glue according to the secondary glue consumption of every day, has been taked the measure of control secondary glue replacing amount, in the continuous flow procedure, use every day the secondary glue of new preparation to replace original secondary glue of 30%～60%.
The mass ratio of KOH and casein food grade is when secondary glue is prepared burden: 1～2/1.The filler that uses in the secondary glue is selected from TiO
2, lime carbonate.Packing material size is: 1～50 micron.Preferred packing material size is: 20～30 microns.
The present invention uses the elastic polyurethane emulsion as the gloves internal coated layer, and the elastic polyurethane latex that forms on the internal coated layer is made up of following components by part by weight: the elasticity Polyurethane 5-17 of concentration 30%; Soft water 83～95.
The present invention adopts different ratios blended natural gum-butadiene-acrylonitrile rubber latex mixing to carry out lamination, and (1) one time glue-line provides fuel tolerance capability.More for possessing the butadiene-acrylonitrile rubber of oil resistant function in its composition, less is the natural gum of increase face glue-line flexibility.(2) the secondary glue-line serves as a connection, and is used for being connected of glue-line and internal coated layer, provides tensile strength for whole gloves simultaneously.Contain less butadiene-acrylonitrile rubber and more natural gum in its composition, in nonpolar natural gum, add a certain amount of polar butadiene-acrylonitrile rubber, can promote the polarity of secondary glue-line, it is tightr that stronger face glue-line of itself and polarity and internal coated layer are combined, thereby avoid occurring the phenomenon that each glue-line breaks away from.
The thickening phenomenon that the present invention also utilizes and produces when controlling nitrile rubber and mixing with natural rubber latex, under the situation that does not adopt the thickening that adds routines such as thickening material, adjust the kind and the consumption of the stablizer that adds epoxy glue, reach the purpose that epoxy glue viscosity is promoted to certain limit.With this method thickening mixing latex, when guaranteeing the thickening quality, solved thickening after latex stability relatively poor, be prone to the problem of micelle, reduced the thickening cost simultaneously.
The present invention adopts the ceramic glove model that heats up through hot-water soak, floods peptizer again, floods glue, secondary glue after the drying successively, and internal coated layer is finished moulding after the mechanical crimp, peel off from ceramic glove model after vulcanizing.Said process all adopts ordinary method to finish.
Among the preparation technology of the present invention, also adopt partial supplementary material, reach the effect that flavouring hides flavor as adding mask agent.Add defoamer and effectively reduce the fourchette bubble that occurs in the steeping process, improve yield rate.Add mill base and make the gloves outward appearance present different colors, give impression attractive in appearance.Need in addition according to auxiliary agents such as the vulcanizing agent of producing actual interpolation convention amount and anti-aging agent.
Use the elastic polyurethane emulsion as the gloves internal coated layer, because the special construction of amino-formate bond in the elastic polyurethane molecular chain, has good sticking power, coating difficult drop-off, good springiness, intensity height, wear-resisting, its good biocompatibility the more important thing is that its compactness is good, can intercept preferably and contain proteinic separating out in the natural rubber latex internal coated layer film, improved the security that gloves use greatly, reduced internal surface frictional force, made the smooth easy wearing of gloves; The elastic polyurethane emulsion is a kind of water-latex type material, and production process does not need chlorine to handle environmentally safe.
Embodiment:
Below in conjunction with embodiment content of the present invention is further elaborated.
Embodiment 1
In preparation during a glue, the solid content ratio of NR and NBR is, NR/NBR=30/70, the solid matter of latex account for the percentage ratio M=98.7% of solid matter in glue; During preparation secondary glue, the solid content ratio of NR and NBR is that NR/NBR=80/20, the solid matter of latex account for the percentage ratio N=68.5% of solid matter in the secondary glue;
The batching mass ratio of a glue is in solid content, for:
NR：m＝29.7，NBR：69，
KOH：0.5，ZnO：0.8，
Add up to: 100;
Mass percent by a glue adds following ingredients in addition:
Defoamer: 0.1%, mill base: 0.015%, mask agent: 0.2%;
The viscosity of a glue is: 80 centipoises;
The batching mass ratio of secondary glue is in solid content, for:
NR?n＝54.8，NBR?13.7，
KOH and/casein food grade 0.5, filler 31,
Add up to: 100;
The mass percent of pressing secondary glue in addition adds following ingredients:
Defoamer 1%, mill base 0.03%, mask agent 0.2%;
The viscosity of secondary glue is: 180 centipoises.
Use new preparation secondary glue to replace original secondary glue of 40% every day in the continuous flow procedure.
The mass ratio of KOH and casein food grade is when secondary glue is prepared burden: 1/1.The filler that uses in the secondary glue is lime carbonate.Packing material size is: 20～30 microns.
The elastic polyurethane latex that forms internal coated layer is made up of following components by part by weight: the elasticity Polyurethane 10 of concentration 30%; Soft water 90.
By above-mentioned batching and method, by on glove model, flooding peptizer, flood glue, secondary glue, internal coated layer after the drying successively, make that the physical and mechanical properties of domestic purpose gloves satisfies ASTM D4679-02 standard-required in the light, tensile strength 〉=10MPa before aging, elongation 〉=500%; Aging back draft intensity 〉=7.5MPa, elongation 〉=375%.Record oil-proofness by ASTM D4679-02 standard and be better than the normal domestic use gloves, behind the immersion IRL930 standard oil, compound domestic purpose gloves print tensile strength descends 22%, and tensile strength descends 32%, and elongation descends 10%.Chlorine is handled tame hand print tensile strength decline 82% in the light, and tensile strength descends 87%, and elongation descends 38%.
Embodiment 2
In preparation during a glue, the solid content ratio of NR and NBR is, NR/NBR=38/62, the solid matter of latex account for the percentage ratio M=98.7% of solid matter in glue; During preparation secondary glue, the solid content ratio of NR and NBR is that NR/NBR=90/10, the solid matter of latex account for the percentage ratio N=68.5% of solid matter in the secondary glue;
The batching mass ratio of a glue is in solid content, for:
NR：m＝37.5，NBR：61.2，
KOH：0.5，ZnO：0.8，
Add up to: 100;
Mass percent by a glue adds following ingredients in addition:
Defoamer: 0.1%, mill base: 0.015%, mask agent: 0.2%;
The viscosity of a glue is: 120 centipoises;
The batching mass ratio of secondary glue is in solid content, for:
NR?n＝61.7，NBR?6.8，
KOH and/casein food grade 0.5, filler 31,
Add up to: 100;
The mass percent of pressing secondary glue in addition adds following ingredients:
Defoamer 1%, mill base 0.03%, mask agent 0.2%;
The viscosity of secondary glue is: 220 centipoises.
Use new preparation secondary glue to replace original secondary glue of 40% every day in the continuous flow procedure.
The mass ratio of KOH and casein food grade is when secondary glue: 1/1.The filler that uses in the secondary glue is lime carbonate.Packing material size is: 20～30 microns.
The elastic polyurethane latex that forms internal coated layer is made up of following components by part by weight: the elasticity Polyurethane 10 of concentration 30%; Soft water 90.
By above-mentioned batching and method, by on glove model, flooding peptizer, flood glue, secondary glue, internal coated layer after the drying successively, make that the physical and mechanical properties of domestic purpose gloves satisfies ASTM D4679-02 standard-required in the light, tensile strength 〉=10MPa before aging, elongation 〉=500%; Aging back draft intensity 〉=7.5MPa, elongation 〉=375%.Record oil-proofness by ASTM D4679-02 standard and be better than the normal domestic use gloves, behind the immersion IRL930 standard oil, compound domestic purpose gloves print tensile strength descends 24%, and tensile strength descends 35%, and elongation descends 11%.Chlorine is handled tame hand print tensile strength decline 82% in the light, and tensile strength descends 87%, and elongation descends 38%.
Embodiment 3
In preparation during a glue, the solid content ratio of NR and NBR is, NR/NBR=22/78, the solid matter of latex account for the percentage ratio M=97% of solid matter in glue; During preparation secondary glue, the solid content ratio of NR and NBR is that NR/NBR=70/30, the solid matter of latex account for the percentage ratio N=67% of solid matter in the secondary glue;
The batching mass ratio of a glue is in solid content, for:
NR：m＝21.34，NBR：75.66，
KOH：0.3，ZnO：2.7，
Add up to: 100;
Mass percent by a glue adds following ingredients in addition:
Defoamer: 0.1%, mill base: 0.015%, mask agent: 0.2%;
The viscosity of a glue is: 90 centipoises;
The batching mass ratio of secondary glue is in solid content, for:
NR?n＝46.9，NBR?20.1，
KOH and/casein food grade 0.3, filler 32.7,
Add up to: 100;
The mass percent of pressing secondary glue in addition adds following ingredients:
Defoamer 1%, mill base 0.03%, mask agent 0.2%;
The viscosity of secondary glue is: 230 centipoises.
Use new preparation secondary glue to replace original secondary glue of 40% every day in the continuous flow procedure.
The mass ratio of KOH and casein food grade is when secondary glue: 1.5/1.The filler that uses in the secondary glue is lime carbonate.Packing material size is: 20～30 microns.
The elastic polyurethane latex that forms internal coated layer is made up of following components by part by weight: the elasticity Polyurethane 10 of concentration 30%; Soft water 90.
By above-mentioned batching and method, by on glove model, flooding peptizer, flood glue, secondary glue, internal coated layer after the drying successively, make that the physical and mechanical properties of domestic purpose gloves satisfies ASTM D4679-02 standard-required in the light, tensile strength 〉=10MPa before aging, elongation 〉=500%; Aging back draft intensity 〉=7.5MPa, elongation 〉=375%.Record oil-proofness by ASTM D4679-02 standard and be better than the normal domestic use gloves, behind the immersion IRL930 standard oil, compound domestic purpose gloves print tensile strength descends 27%, and tensile strength descends 37%, and elongation descends 12%.Chlorine is handled tame hand print tensile strength decline 82% in the light, and tensile strength descends 87%, and elongation descends 38%.
Claims (8)
1. the preparation method of compound smooth lining household rubber gloves, mixing latex with NR and NBR is raw material, be included in and flood peptizer on the glove model, flood glue, secondary glue, internal coated layer after the drying successively, it is characterized in that: when preparing a glue, the solid content ratio of NR and NBR is, NR/NBR=20～40/80～60, and the solid matter of latex accounts for percentage ratio M=96～99% of solid matter in glue; During preparation secondary glue, the solid content ratio of NR and NBR is, NR/NBR=70～90/10～30, and the solid matter of latex accounts for percentage ratio N=66～69% of solid matter in the secondary glue;
The batching mass ratio of a glue is in solid content, for:
NR：m＝19.2～39.48， NBR：100M-m，
KOH:0.1～0.5, ZnO: surplus,
Add up to: 100;
Mass percent by a glue adds following ingredients in addition:
Defoamer: 0.05～0.3%, mill base 0.01～0.1%, mask agent: 0.05～0.5%;
The viscosity of a glue is: 30 centipoises～180 centipoises;
The batching mass ratio of secondary glue is in solid content, for:
NR?n＝46.2～62.1， NBR 100N-n，
KOH and casein food grade 0.25～0.7, the filler surplus,
Add up to: 100;
The mass percent of pressing secondary glue in addition adds following ingredients:
Defoamer 0.8～1.2%, mill base 0.01～0.1%, mask agent 0.05～0.5%;
The viscosity of secondary glue is: 120 centipoises～280 centipoises.
2. the preparation method of compound smooth lining household rubber gloves according to claim 1, it is characterized in that: when preparing a glue, the solid content ratio of NR and NBR is, NR/NBR=25～35/65～75, and the solid matter of latex accounts for percentage ratio M=98～99% of solid matter in glue; During preparation secondary glue, the solid content ratio of NR and NBR is, NR/NBR=75～85/15～25, and the solid matter of latex accounts for percentage ratio N=68～69% of solid matter in the secondary glue;
The batching mass ratio of a glue is in solid content, for:
NR：m＝25.4～34.65， NBR：100M-m，
KOH:0.3～0.5, ZnO: surplus,
Add up to: 100;
Mass percent by a glue adds following ingredients in addition:
Defoamer 0.05～0.3%, mill base 0.01～0.1%, mask agent 0.05～0.5%;
The viscosity of a glue is: 60 centipoises～120 centipoises;
The batching mass ratio of secondary glue is in solid content, for:
NR?n＝51～58.65， NBR 100N-n，
KOH and casein food grade 0.3～0.5, the filler surplus,
Add up to: 100;
The mass percent of pressing secondary glue in addition adds following ingredients:
Defoamer 0.8～1.2%, mill base 0.01～0.1%, mask agent 0.05～0.5%;
The viscosity of secondary glue is: 140 centipoises～230 centipoises.
3. the preparation method of compound smooth lining household rubber gloves according to claim 1 and 2 is characterized in that: use every day the secondary glue of new preparation to replace original secondary glue of 30%～60% in the continuous flow procedure.
4. the preparation method of compound smooth lining household rubber gloves according to claim 1 and 2 is characterized in that: the mass ratio of KOH and casein food grade is during secondary glue batching: 1～2/1.
According to claim 1 or, the preparation method of 2 or 3 described compound smooth lining household rubber gloves, it is characterized in that: filler is selected from TiO
2, lime carbonate.
According to claim 1 or, the preparation method of 2 or 3 described compound smooth lining household rubber gloves, it is characterized in that: packing material size is: 1～50 micron.
7. the preparation method of compound smooth lining household rubber gloves according to claim 6, it is characterized in that: packing material size is: 20～30 microns.
8. the preparation method of compound smooth lining household rubber gloves according to claim 1, it is characterized in that: use the elastic polyurethane emulsion as the gloves internal coated layer, the elastic polyurethane latex that forms on the internal coated layer is made up of following components by part by weight: the elasticity Polyurethane 5-17 of concentration 30%; Soft water 83～95.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101658544A CN101632495B (en) | 2008-08-22 | 2009-08-08 | Preparation method of compound smooth lining household rubber gloves |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100737582A CN101347272A (en) | 2008-08-22 | 2008-08-22 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
| CN200810073758.2 | 2008-08-22 | ||
| CN2009101658544A CN101632495B (en) | 2008-08-22 | 2009-08-08 | Preparation method of compound smooth lining household rubber gloves |
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| CN101632495A CN101632495A (en) | 2010-01-27 |
| CN101632495B true CN101632495B (en) | 2011-03-30 |
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| CNA2008100737582A Pending CN101347272A (en) | 2008-08-22 | 2008-08-22 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
| CN2009101658544A Active CN101632495B (en) | 2008-08-22 | 2009-08-08 | Preparation method of compound smooth lining household rubber gloves |
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| CNA2008100737582A Pending CN101347272A (en) | 2008-08-22 | 2008-08-22 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347272A (en) * | 2008-08-22 | 2009-01-21 | 桂林乳胶厂 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
| CN106835720A (en) * | 2017-01-17 | 2017-06-13 | 南通强生安全防护科技股份有限公司 | A kind of preparation method of NBR latex frosted gloves |
| CN110313662B (en) * | 2018-03-29 | 2023-04-25 | 山东星宇手套有限公司 | Preparation method of butyronitrile anti-skid glove |
| CN113057395A (en) * | 2021-03-09 | 2021-07-02 | 牛剑科技有限公司 | Waterborne polyurethane high-elasticity butyronitrile gloves |
| CN113480743B (en) * | 2021-05-31 | 2023-08-22 | 中国工程物理研究院材料研究所 | Composite latex capable of preparing high-performance flexible product and matching process thereof |
| CN113402794A (en) * | 2021-07-08 | 2021-09-17 | 东台市华亿手套有限公司 | Butyronitrile double-color glove and production process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326515A (en) * | 1991-04-30 | 1994-07-05 | Sumitomo Rubber Industries, Ltd. | Methods of manufacturing gloves |
| CN101003165A (en) * | 2006-12-15 | 2007-07-25 | 天津市格林科特高分子材料技术有限公司 | Method for fabricating one-off composite glove of nitrile butadiene rubber polyurethane |
| CN101347272A (en) * | 2008-08-22 | 2009-01-21 | 桂林乳胶厂 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
-
2008
- 2008-08-22 CN CNA2008100737582A patent/CN101347272A/en active Pending
-
2009
- 2009-08-08 CN CN2009101658544A patent/CN101632495B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326515A (en) * | 1991-04-30 | 1994-07-05 | Sumitomo Rubber Industries, Ltd. | Methods of manufacturing gloves |
| US5459880A (en) * | 1991-04-30 | 1995-10-24 | Sumitomo Rubber Industries, Ltd. | Gloves and method of manufacturing the same |
| CN101003165A (en) * | 2006-12-15 | 2007-07-25 | 天津市格林科特高分子材料技术有限公司 | Method for fabricating one-off composite glove of nitrile butadiene rubber polyurethane |
| CN101347272A (en) * | 2008-08-22 | 2009-01-21 | 桂林乳胶厂 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2003-55822A 2003.02.26 |
| JP特开平9-310209A 1997.12.02 |
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| CN101347272A (en) | 2009-01-21 |
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Address after: 541002 No. 6, Wushan Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee after: GUILIN ZIZHU LATEX PRODUCTS Co.,Ltd. Address before: 541002 No. 6, Wushan Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: Guilin Latex Factory |
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Address after: 541001 No. 6, Wushan Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee after: Jianjian (Guilin) Latex Products Co.,Ltd. Address before: 541002 No. 6, Wushan Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: GUILIN ZIZHU LATEX PRODUCTS Co.,Ltd. |
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| CP03 | Change of name, title or address |