CN102477266A - Water-based polyurethane adhesive - Google Patents
Water-based polyurethane adhesive Download PDFInfo
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- CN102477266A CN102477266A CN2010105578236A CN201010557823A CN102477266A CN 102477266 A CN102477266 A CN 102477266A CN 2010105578236 A CN2010105578236 A CN 2010105578236A CN 201010557823 A CN201010557823 A CN 201010557823A CN 102477266 A CN102477266 A CN 102477266A
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Abstract
The invention relates to water-based polyurethane adhesive which consists of the following components in percentage by weight: 60 to 70 of silicone acrylic emulsion with high solid content, 10 to 20 of isoprene-styrene-methacrylate copolymer emulsion, and 20 to 30 of propylene glycol malonate having a molecular weight of 1000 to 3000. The water-based polyurethane adhesive is resistant to high temperature and free of pressure sensitivity and has an appropriate stripping strength. The packaging bags made with the water-based polyurethane adhesive can withstand high temperature and sterilization treatment, can be widely applied in the fields of medical packages and food packages with resistance to high-temperature sterilization treatment, particularly packages of different kinds of cotton yarn and non-woven fabric products in the medicine field.
Description
Technical field
The present invention relates to a kind of sizing agent, belong to the Process Technology of Polymer technical field, particularly a kind of aqueous polyurethane sizing agent.
Background technology
At present, the most aqueous polyurethane sizing agents that are used for the coated paper envelope preparation all have pressure-sensitive, in field of medicaments, after the cotton yarn that surgery uses all need pass through high-temperature steam sterilization, can use.Common aqueous polyurethane sizing agent is article in through the coated paper envelope that can bond after the VT, on the one hand, when the paper bag of unpacking seals, are prone to paper bag is torn, and have brought the inconvenience of using, and on the other hand, have also polluted article in the packing bag.Therefore, study new have high temperature resistant, no pressure-sensitive, suitably the aqueous polyurethane sizing agent of stripping strength becomes the research and development focus of emulsion applications in field of medicaments.
Summary of the invention
To the deficiency of above prior art, the present invention provides a kind of aqueous polyurethane sizing agent.
A kind of aqueous polyurethane sizing agent, form by following component:
The high solids content organosilicon crylic acid latex, 60-70 weight %;
Isoprene-vinylbenzene-methacrylic ester copolymer emulsion, 10-20 weight %;
Ucar 35 propanedioic acid polyester, molecular weight are 1000-3000,20-30 weight %.
The high solids content organosilicon crylic acid latex is prepared from following steps described in the described aqueous polyurethane sizing agent: following per-cent is weight percentage,
Organic silane compound and acrylic monomer with 50-60%; Compound emulsifying agent with AS and nonionogenic tenside composition; Initiator with persulphate and sulphite composition; Under 40-90 ℃ of condition, carry out seeded emulsion polymerization, obtain the nuclear emulsion of organosilicon crylic acid latex; The part by weight of organic silane compound and acrylic monomer is 1: 0.5-2; Compound emulsifying agent occupies the 0.5-2.5% of organic silane compound and acrylic monomer gross weight; Initiator occupies the 0.16-0.24% of organic silane compound and acrylic monomer gross weight;
Organic silane compound and the acrylic monomer of remaining 60-70% are carried out emulsification with high-speed dispersion equipment in above-mentioned compound emulsifying agent, make the shell monomer emulsion: the part by weight of organic silane compound and acrylic monomer is 1: 0.5-2; Compound emulsifying agent occupies the 1.0-2.0% of organic silane compound and acrylic monomer gross weight;
Then in above-mentioned nuclear emulsion; Shell monomer emulsion after the dropping emulsification, in above-mentioned initiator gradation adding system, initiator accounts for the 0.24-0.36% of acrylic monomer gross weight; Under 50-90 ℃ of condition, react; After the cooling, regulate the pH value to 8-9, obtain having the high solids content organosilicon crylic acid latex of nuclear one shell structure with ammoniacal liquor.
Acrylic monomer described in the described aqueous polyurethane sizing agent is one or more a mixture in vinylformic acid, methylacrylic acid, Bing Xisuandingzhi, NSC 20956, TEB 3K, ethyl propenoate, Jia Jibingxisuanyizhi, SY-Monomer G, the dimethacrylate tirethylene glycol ester.
Aqueous polyurethane sizing agent of the present invention can be high temperature resistant, and no pressure-sensitive has suitable stripping strength.Adopt the prepared packing bag of aqueous polyurethane sizing agent of the present invention can be high temperature resistant with disinfect; Medical package, the food product pack field that can be widely used in high temperature-resistant disinfected processing, the especially packing of various cotton yarns in field of medicaments and non-woven fabrics product.
Embodiment
Below, with embodiment the present invention is made more detailed description.These embodiment only are the descriptions to best mode for carrying out the invention, scope of the present invention are not had any restriction.
Embodiment 1 (following per-cent is weight percentage)
(1) preparation of high solids content organosilicon crylic acid latex:
The water-bath that places temperature regulating device at the four-hole reaction flask that has whisking appliance, TM, reflux condensing tube and tap funnel; Vinyltriethoxysilane with 30% and methylacrylic acid; With the compound emulsifying agent of X 2073 and alkyl phenyl polyvingl ether composition, with the initiator of Potassium Persulphate and sodium sulphite anhydrous 99.3 composition, under 50 ℃ of conditions; Carry out seeded emulsion polymerization, obtain the nuclear emulsion of organosilicon crylic acid latex.
Vinyltriethoxysilane with remaining 70% and methylacrylic acid carry out emulsification with high-speed dispersion equipment in above-mentioned compound emulsifying agent, make the shell monomer emulsion; The part by weight of vinyltriethoxysilane and methylacrylic acid is 1: 2; Compound emulsifying agent accounts for 1.0% of vinyltriethoxysilane and methylacrylic acid gross weight.
Then in above-mentioned nuclear emulsion; Drip the shell monomer emulsion after the emulsification, above-mentioned initiator is divided in three adding systems, initiator accounts for 0.24% of methylacrylic acid gross weight; Under 80 ℃ of conditions, react; After the cooling, regulate pH value to 8, obtain having the high solids content organosilicon crylic acid latex of nuclear one shell structure with ammoniacal liquor.
(2) preparation of isoprene-vinylbenzene-methacrylic ester copolymer emulsion:
Methacrylic ester with 30%; 10% vinylbenzene, 2% isoprene, 55% deionized water; Potassium Persulphate with 0.3% is an initiator; The compound emulsifying agent that 0.5% X 2073 and 2% alkyl phenyl polyvingl ether are formed, 0.2% pH regulator agent sodium hydrogencarbonate carries out polymerization and obtains under 70 ℃ of conditions.
(3) with the high solids content organosilicon crylic acid latex that makes and isoprene-vinylbenzene-methacrylic ester copolymer emulsion; And Ucar 35 propanedioic acid polyester (molecular weight is 1000-2000); Weight percent by 1/3: 1/3: 1/3 mixes, and obtains purpose product water based polyurethane sizing agent.
Embodiment 2 (following per-cent is weight percentage)
(1) preparation of high solids content organosilicon crylic acid latex:
The water-bath that places temperature regulating device at the four-hole reaction flask that has whisking appliance, TM, reflux condensing tube and tap funnel; Propenyl Trimethoxy silane and Jia Jibingxisuanyizhi with 40%; With the compound emulsifying agent of sodium lauryl sulphate and T 46155 phenolic ether in ninth of the ten Heavenly Stems composition, with the initiator of Sodium Persulfate and sodium sulfite anhy 96 composition, under 40 ℃ of conditions; Carry out seeded emulsion polymerization, obtain the nuclear emulsion of organosilicon crylic acid latex.
Propenyl Trimethoxy silane and Jia Jibingxisuanyizhi with remaining 60% carry out emulsification with high-speed dispersion equipment in above-mentioned compound emulsifying agent, make the shell monomer emulsion; The part by weight of propenyl Trimethoxy silane and Jia Jibingxisuanyizhi is 1: 2; Compound emulsifying agent accounts for 2.0% of propenyl Trimethoxy silane and Jia Jibingxisuanyizhi gross weight.
Then in above-mentioned nuclear emulsion; Drip the shell monomer emulsion after the emulsification, above-mentioned initiator is divided in three adding systems, initiator accounts for 0.3% of Jia Jibingxisuanyizhi gross weight; Under 70 ℃ of conditions, react; After the cooling, regulate pH value to 9, obtain having the high solids content organosilicon crylic acid latex of nuclear one shell structure with ammoniacal liquor.
(2) preparation of isoprene-vinylbenzene-methacrylic ester copolymer emulsion:
Methacrylic ester with 20%; 15% vinylbenzene, 3% isoprene, 59.3% deionized water; Potassium Persulphate with 0.2% is an initiator; The compound emulsifying agent that 0.3% X 2073 and 2% alkyl phenyl polyvingl ether are formed, 0.2% pH regulator agent sodium hydrogencarbonate carries out polymerization and obtains under 80 ℃ of conditions.
(3) with the high solids content organosilicon crylic acid latex that makes and isoprene-vinylbenzene-methacrylic ester copolymer emulsion; And Ucar 35 propanedioic acid polyester (molecular weight is 1500-25000); Weight ratio by 2/5: 2/5: 1/5 is mixed, and obtains purpose product water based polyurethane sizing agent.
Claims (3)
1. aqueous polyurethane sizing agent, form by following component:
The high solids content organosilicon crylic acid latex, 60-70 weight %;
Isoprene-vinylbenzene-methacrylic ester copolymer emulsion, 10-20 weight %;
Ucar 35 propanedioic acid polyester, molecular weight are 1000-3000,20-30 weight %.
2. aqueous polyurethane sizing agent according to claim 1, it is characterized in that said high solids content organosilicon crylic acid latex is prepared from following steps: following per-cent is weight percentage,
Organic silane compound and acrylic monomer with 50-60%; Compound emulsifying agent with AS and nonionogenic tenside composition; Initiator with persulphate and sulphite composition; Under 40-90 ℃ of condition, carry out seeded emulsion polymerization, obtain the nuclear emulsion of organosilicon crylic acid latex; The part by weight of organic silane compound and acrylic monomer is 1: 0.5-2; Compound emulsifying agent occupies the 0.5-2.5% of organic silane compound and acrylic monomer gross weight; Initiator occupies the 0.16-0.24% of organic silane compound and acrylic monomer gross weight;
Organic silane compound and the acrylic monomer of remaining 60-70% are carried out emulsification with high-speed dispersion equipment in above-mentioned compound emulsifying agent, make the shell monomer emulsion: the part by weight of organic silane compound and acrylic monomer is 1: 0.5-2; Compound emulsifying agent occupies the 1.0-2.0% of organic silane compound and acrylic monomer gross weight;
Then in above-mentioned nuclear emulsion; Shell monomer emulsion after the dropping emulsification, in above-mentioned initiator gradation adding system, initiator accounts for the 0.24-0.36% of acrylic monomer gross weight; Under 50-90 ℃ of condition, react; After the cooling, regulate the pH value to 8-9, obtain having the high solids content organosilicon crylic acid latex of nuclear one shell structure with ammoniacal liquor.
3. aqueous polyurethane sizing agent according to claim 2 is characterized in that said acrylic monomer is one or more a mixture in vinylformic acid, methylacrylic acid, Bing Xisuandingzhi, NSC 20956, TEB 3K, ethyl propenoate, Jia Jibingxisuanyizhi, SY-Monomer G, the dimethacrylate tirethylene glycol ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105578236A CN102477266A (en) | 2010-11-23 | 2010-11-23 | Water-based polyurethane adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105578236A CN102477266A (en) | 2010-11-23 | 2010-11-23 | Water-based polyurethane adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102477266A true CN102477266A (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105578236A Pending CN102477266A (en) | 2010-11-23 | 2010-11-23 | Water-based polyurethane adhesive |
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| CN (1) | CN102477266A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479598A (en) * | 2014-11-27 | 2015-04-01 | 苏州市贝克生物科技有限公司 | Waterproof medical adhesive and preparation method thereof |
| CN106010349A (en) * | 2016-07-21 | 2016-10-12 | 苏州泰仑电子材料有限公司 | Protective film with high-temperature-resistant polyurethane pressure-sensitive adhesive |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001207146A (en) * | 2000-01-26 | 2001-07-31 | Saiden Chemical Industry Co Ltd | Water-based adhesive composition |
| CN101067011A (en) * | 2007-04-30 | 2007-11-07 | 江苏三木集团有限公司 | Water soluble acrylic resin and its prepn |
| CN101314707A (en) * | 2008-07-16 | 2008-12-03 | 东莞奥美医疗用品有限公司 | Water-based adhesive |
-
2010
- 2010-11-23 CN CN2010105578236A patent/CN102477266A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001207146A (en) * | 2000-01-26 | 2001-07-31 | Saiden Chemical Industry Co Ltd | Water-based adhesive composition |
| CN101067011A (en) * | 2007-04-30 | 2007-11-07 | 江苏三木集团有限公司 | Water soluble acrylic resin and its prepn |
| CN101314707A (en) * | 2008-07-16 | 2008-12-03 | 东莞奥美医疗用品有限公司 | Water-based adhesive |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479598A (en) * | 2014-11-27 | 2015-04-01 | 苏州市贝克生物科技有限公司 | Waterproof medical adhesive and preparation method thereof |
| CN104479598B (en) * | 2014-11-27 | 2016-10-19 | 苏州市贝克生物科技有限公司 | Water proofing property medical adhesive and preparation method thereof |
| CN106010349A (en) * | 2016-07-21 | 2016-10-12 | 苏州泰仑电子材料有限公司 | Protective film with high-temperature-resistant polyurethane pressure-sensitive adhesive |
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Application publication date: 20120530 |