CN101314707B - Water-based adhesive - Google Patents
Water-based adhesive Download PDFInfo
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- CN101314707B CN101314707B CN2008100295214A CN200810029521A CN101314707B CN 101314707 B CN101314707 B CN 101314707B CN 2008100295214 A CN2008100295214 A CN 2008100295214A CN 200810029521 A CN200810029521 A CN 200810029521A CN 101314707 B CN101314707 B CN 101314707B
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Abstract
The invention discloses a waterborne adhesive having resistance to high-temperature disinfection and used for preparing medical package bag. The waterborne adhesive comprises the following components: high-solid-content silicone acrylate emulsion 30 to 50wt percent; isoprene-styrene-methyl acrylate copolymer emulsion 30 to 50wt percent; and propylene glycol and malonic acid polyester with molecular weight of 5,000 to 10,000 20 to 35wt percent. The invention further discloses a method for preparing the waterborne adhesive, which comprises the following steps: preparing core emulsion of silicone acrylate emulsion; preparing shell monomer emulsion; and preparing high-solid-content silicone acrylate emulsion with core-shell structure. The waterborne adhesive is resistant to high temperature and free of pressure sensitivity, and has a proper peeling strength. The package bag prepared from the waterborne adhesive is resistant to high temperature and disinfection treatment, and can be widely used in the fields of medical package and food package resistant to high-temperature disinfection treatment, particularly package of various cotton yarns and non-woven fabrics in the medical field.
Description
Technical field
The present invention relates to field of medical products, be specifically related to a kind of water-based adhesive that can be used to prepare packing bag for medical use.
Background technology
At present, the most water-based adhesives that are used for the coated paper envelope preparation all have pressure-sensitive, and in field of medicaments, the cotton yarn that surgery uses all needs can use through behind the high-temperature steam sterilization.Common water-based adhesive is article in through the coated paper envelope that can bond after the steam treatment, on the one hand, easily paper bag are torn when the paper bag of unpacking seals, 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 water-based adhesive of stripping strength becomes the research and development focus of emulsion applications in field of medicaments.
Summary of the invention
The present invention seeks to overcome the problem that above-mentioned existing water-based adhesive exists, provide a kind of energy high temperature-resistant disinfected, can be used for preparing the water-based adhesive of packing bag for medical use.
To achieve these goals, the present invention adopts following technical scheme:
A kind of water-based adhesive, form by following component:
The high solids content organosilicon crylic acid latex, 30-50 weight %;
Isoprene-vinylbenzene-methacrylic ester copolymer emulsion, 30-50 weight %;
Propylene glycol propanedioic acid polyester, molecular weight are 5000～10000,20-35 weight %.
In above-mentioned water-based adhesive, described high solids content organosilicon crylic acid latex is prepared from by following steps: following per-cent is weight percentage
Organic silane compound and acrylic monomer with 30-40%, compound emulsifying agent with anion surfactant 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 Acid 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 nucleocapsid structure with ammoniacal liquor.
In above-mentioned water-based adhesive, described isoprene-vinylbenzene-methacrylic ester copolymer emulsion is prepared from by following weight percentage component:
Methacrylic ester with 20-30%, the vinylbenzene of 10-15%, the isoprene of 2-3%, the deionized water of 50-60%, Potassium Persulphate with 0.2-0.3% is an initiator, the compound emulsifying agent that the alkyl phenyl polyvingl ether of the Sodium dodecylbenzene sulfonate of 0.3-0.5% and 2-3% is formed, 0.2% pH regulator agent sodium bicarbonate carries out polymerization and obtains under 60-90 ℃ of condition.
In above-mentioned water-based adhesive, described acrylic monomer is preferably in vinylformic acid, methacrylic acid, butyl acrylate, butyl methacrylate, methyl methacrylate, ethyl propenoate, Jia Jibingxisuanyizhi, glycidyl methacrylate, the dimethacrylate tirethylene glycol ester one or more mixture.
In above-mentioned water-based adhesive, described organic silane compound is preferably one or more the mixture in vinyltriethoxysilane, vinyltrimethoxy silane, propenyl Trimethoxy silane, the methyl allyl acyloxypropyl trimethoxysilane.
In above-mentioned water-based adhesive, described anion surfactant is preferably Sodium dodecylbenzene sulfonate, sodium lauryl sulphate; Nonionic shows that promoting agent is preferably alkyl phenyl polyvingl ether, polyoxyethylene phenolic ether in the ninth of the ten Heavenly Stems, polyoxyethylene sorbitol acid anhydride oleic acid ester, polyoxyethylene sorbitol acid anhydride stearate; Anion surfactant and nonionic show that the part by weight of promoting agent is 2-1: 1.
In above-mentioned water-based adhesive, described persulphate is preferably Potassium Persulphate, ammonium persulphate, Sodium Persulfate; Described sulphite is preferably sodium sulphite anhydrous 99.3, sodium bisulfite; The mol ratio of persulphate and sulphite is 1: 1.
Compared with prior art, the present invention has following beneficial effect: the water-based adhesive that the present invention makes can be high temperature resistant, and no pressure-sensitive has suitable stripping strength.Adopt the prepared packing bag of water-based adhesive of the present invention can be high temperature resistant and disinfect, can be widely used in medical package, the food product pack field of high temperature-resistant disinfected processing, especially the packing of various cotton yarns in field of medicaments and non-woven fabrics product.
Embodiment
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 agitator, thermometer, reflux condensing tube and dropping funnel, vinyltriethoxysilane with 30% and methacrylic acid, compound emulsifying agent with Sodium dodecylbenzene sulfonate and alkyl phenyl polyvingl ether composition, initiator with 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; Wherein, the part by weight of vinyltriethoxysilane and methacrylic acid is 1: 1; Compound emulsifying agent accounts for 0.5% of vinyltriethoxysilane and methacrylic acid gross weight, and the weight ratio of Sodium dodecylbenzene sulfonate and alkyl phenyl polyvingl ether is 1: 1; Initiator accounts for 0.16% of vinyltriethoxysilane and methacrylic acid gross weight, and the mol ratio of Potassium Persulphate and sodium sulphite anhydrous 99.3 is 1: 1.
Vinyltriethoxysilane with remaining 70% and methacrylic 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 methacrylic acid is 1: 2; Compound emulsifying agent accounts for 1.0% of vinyltriethoxysilane and methacrylic acid gross weight.
Then in above-mentioned nuclear emulsion, shell monomer emulsion after the dropping emulsification, above-mentioned initiator is divided in three adding systems, initiator accounts for 0.24% of methacrylic 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 nucleocapsid 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% Sodium dodecylbenzene sulfonate and 2% alkyl phenyl polyvingl ether are formed, 0.2% pH regulator agent sodium bicarbonate carries out polymerization and obtains under 70 ℃ of conditions.
(3) with the high solids content organosilicon crylic acid latex and the isoprene-vinylbenzene-methacrylic ester copolymer emulsion that make, and propylene glycol propanedioic acid polyester (molecular weight is 5000～10000), weight percent by 1/3: 1/3: 1/3 mixes, and obtains purpose product water base adhesive.The performance test of water-based adhesive sees Table 1.
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 agitator, thermometer, reflux condensing tube and dropping funnel, propenyl Trimethoxy silane and Jia Jibingxisuanyizhi with 40%, compound emulsifying agent with sodium lauryl sulphate and polyoxyethylene phenolic ether in ninth of the ten Heavenly Stems composition, initiator with Sodium Persulfate and sodium bisulfite composition, under 40 ℃ of conditions, plant in letex polymerization, obtain the nuclear emulsion of organosilicon crylic acid latex; The part by weight of propenyl Trimethoxy silane and Jia Jibingxisuanyizhi is 1: 2; Compound emulsifying agent accounts for 2% of propenyl Trimethoxy silane and Jia Jibingxisuanyizhi gross weight, and the part by weight of sodium lauryl sulphate and polyoxyethylene phenolic ether in the ninth of the ten Heavenly Stems is 2: 1; Initiator accounts for 0.24% of propenyl Trimethoxy silane and Jia Jibingxisuanyizhi gross weight, and the molar ratio of Sodium Persulfate and sodium bisulfite is 1: 1.
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, shell monomer emulsion after the dropping 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 nucleocapsid 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% Sodium dodecylbenzene sulfonate and 2% alkyl phenyl polyvingl ether are formed, 0.2% pH regulator agent sodium bicarbonate carries out polymerization and obtains under 80 ℃ of conditions.
(3) with the high solids content organosilicon crylic acid latex and the isoprene-vinylbenzene-methacrylic ester copolymer emulsion that make, and propylene glycol propanedioic acid polyester (molecular weight is 500010000), weight ratio by 2/5: 2/5: 1/5 is mixed, and obtains purpose product water base adhesive.The performance test of water-based adhesive sees Table 1.
The high temperature-resistant disinfected water-based adhesive The performance test results of table 1
Claims (5)
1. water-based adhesive is characterized in that being made up of following component:
The high solids content organosilicon crylic acid latex, 30-50 weight %;
Isoprene-vinylbenzene-methacrylic ester copolymer emulsion, 30-50 weight %;
Propylene glycol propanedioic acid polyester, molecular weight are 5000～10000,20-35 weight %;
Described high solids content organosilicon crylic acid latex is prepared from by following steps: following per-cent is weight percentage, organic silane compound and acrylic monomer with 30-40%, compound emulsifying agent with anion surfactant 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 nucleocapsid structure with ammoniacal liquor;
Described isoprene-vinylbenzene-methacrylic ester copolymer emulsion is prepared from by following weight percentage component: with the methacrylic ester of 20-30%, the vinylbenzene of 10-15%, the isoprene of 2-3%, the deionized water of 50-60%, Potassium Persulphate with 0.2-0.3% is an initiator, the compound emulsifying agent that the alkyl phenyl polyvingl ether of the Sodium dodecylbenzene sulfonate of 0.3-0.5% and 2-3% is formed, 0.2% pH regulator agent sodium bicarbonate carries out polymerization and obtains under 60-90 ℃ of condition.
2. water-based adhesive according to claim 1 is characterized in that described acrylic monomer is one or more a mixture in vinylformic acid, methacrylic acid, butyl acrylate, butyl methacrylate, methyl methacrylate, ethyl propenoate, Jia Jibingxisuanyizhi, glycidyl methacrylate, the dimethacrylate tirethylene glycol ester.
3. water-based adhesive according to claim 1 is characterized in that described organic silane compound is one or more the mixture in vinyltriethoxysilane, vinyltrimethoxy silane, propenyl Trimethoxy silane, the methyl allyl acyloxypropyl trimethoxysilane.
4. water-based adhesive according to claim 1 is characterized in that described anion surfactant is Sodium dodecylbenzene sulfonate, sodium lauryl sulphate; Nonionic shows that promoting agent is alkyl phenyl polyvingl ether, polyoxyethylene phenolic ether in the ninth of the ten Heavenly Stems, polyoxyethylene sorbitol acid anhydride oleic acid ester, polyoxyethylene sorbitol acid anhydride stearate; Anion surfactant and nonionic show that the part by weight of promoting agent is 2-1: 1.
5. water-based adhesive according to claim 1 is characterized in that described persulphate is Potassium Persulphate, ammonium persulphate, Sodium Persulfate; Described sulphite is sodium sulphite anhydrous 99.3, sodium bisulfite; The mol ratio of persulphate and sulphite is 1: 1.
Priority Applications (1)
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| CN2008100295214A CN101314707B (en) | 2008-07-16 | 2008-07-16 | Water-based adhesive |
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| CN2008100295214A CN101314707B (en) | 2008-07-16 | 2008-07-16 | Water-based adhesive |
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| CN101314707A CN101314707A (en) | 2008-12-03 |
| CN101314707B true CN101314707B (en) | 2011-08-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477266A (en) * | 2010-11-23 | 2012-05-30 | 上海恩意材料科技有限公司 | Water-based polyurethane adhesive |
| 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 |
| CN109957883A (en) * | 2019-04-27 | 2019-07-02 | 江阴市华思诚无纺布有限公司 | Glass fibre reinforcement high-tenacity polyester yarn non-woven fabrics and production method |
| CN110467892A (en) * | 2019-08-29 | 2019-11-19 | 昆山博益鑫成高分子材料有限公司 | A kind of crosslinking type aqueous adhesive and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629202A (en) * | 2004-10-22 | 2005-06-22 | 同济大学 | High-silicon content shell-core structured silicon/acrylic emulsion and method for preparing same |
| CN1939956A (en) * | 2005-09-29 | 2007-04-04 | 吴淑环 | Use of organic polymer emulsion as plastic thin-film and building material binder |
| CN1978575A (en) * | 2005-11-30 | 2007-06-13 | 东莞奥美医疗用品有限公司 | Water-borne adhesive |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629202A (en) * | 2004-10-22 | 2005-06-22 | 同济大学 | High-silicon content shell-core structured silicon/acrylic emulsion and method for preparing same |
| CN1939956A (en) * | 2005-09-29 | 2007-04-04 | 吴淑环 | Use of organic polymer emulsion as plastic thin-film and building material binder |
| CN1978575A (en) * | 2005-11-30 | 2007-06-13 | 东莞奥美医疗用品有限公司 | Water-borne adhesive |
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Owner name: ZHIJIANG AOMEI MEDICAL COMPONENT CO., LTD. Free format text: FORMER OWNER: DONGGUAN AOMEI MEDICAL ARTICLES CO., LTD. Effective date: 20150908 |
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Effective date of registration: 20150908 Address after: 443200 Zhijiang city of Hubei province Majiadian Development Zone Industrial Park, Theo Park Road Patentee after: Allmed Medical Products Co.,Ltd. Address before: 523755 Guangdong city of Dongguan Province Huang Tian Town Industrial Zone North America Patentee before: Dongguan Aomei Medical Articles Co.,Ltd. |
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Address after: 18 No. 443200 Zhijiang city of Hubei province Majiadian seven Avenue Patentee after: ALLMED MEDICAL PRODUCTS Co.,Ltd. Address before: 443200 Zhijiang city of Hubei province Majiadian Development Zone Industrial Park, Theo Park Road Patentee before: Allmed Medical Products Co.,Ltd. |