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Resin composition for aqueous adhesive, aqueous adhesive, adhesive sheet, and method for producing composition for aqueous adhesive
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A resin composition, water-based adhesive technology, applied in the direction of acid copolymer adhesive, non-polymer adhesive additive, adhesive type, etc., can solve the problems that have not been found yet
Active Publication Date: 2014-04-16
DIC CORP
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[0009] In this way, from the industry, there is a demand for the development of adhesives that can exhibit excellent adhesion to the above-mentioned porous bodies or adherends with low surface polarity, but the actual situation has not yet been found.
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[0117] Hereinafter, the present invention will be further specifically described by way of examples and comparative examples.
[0118] [Preparation of Vinyl Resin]
Synthetic example 1
[0120] As a reactive surfactant, 30 parts by mass of Latemul PD-104 (polyoxybutylene-polyoxyethylene alkenyl ether ammonium sulfate, manufactured by Kao Corporation, solid content 20% by mass) and Acualon KH-1025 were put into the container. (polyoxyethylene alkenyl ether ammonium sulfate, Daiichi Kogyo Pharmaceutical Co., Ltd., solid content 25% by mass) 24 parts by mass, 2-ethylhexyl acrylate 435 parts by mass, butyl acrylate 120 parts by mass, methacrylic acid 30 parts by mass of methyl ester, 15 parts by mass of acrylic acid, 0.21 parts by mass of lauryl mercaptan as a chain transfer agent, and 90 parts by mass of ion-exchanged water were stirred to prepare an emulsion.
[0121] The inside of the polymerization vessel equipped with a thermometer, dropping funnel, reflux condenser, and stirring device was replaced with nitrogen, 373.2 parts by mass of ion-exchanged water were charged, and the inner temperature was raised to 52.5°C.
[0122] After injecting 1% by mass of the...
Embodiment 1
[0127] Ethylene glycol dehydroabietic acid ester (ethylene oxide (EO) Added mole number: 15 moles) After 1 mass part, further mixed 12.5 mass % ammonia water 4.2 mass parts, Boncoat 3750-E (a thickener manufactured by DIC Corporation, non-volatile content 23 mass %) 1.5 mass parts and ion By exchanging 2 parts by mass of water, vinyl resin latex 1-1 having a BM viscosity of 10000 mPa·s (#4×12) and a pH of 8 was obtained.
[0128] Next, 0.02 parts by mass of the above-mentioned vinyl resin latex 1-1 and TETRAD-C (manufactured by Mitsubishi Gas Chemical Co., Ltd.) as an oil-soluble epoxy compound were mixed, and filtered through a 200-mesh filter cloth (manufactured by polyester) to obtain Resin composition 1 for aqueous adhesive.
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Abstract
Disclosed are: a resin composition for an aqueous adhesive, which exhibits excellent adhesion to a porous body that has a small area in contact with the adhesive or to an object to be adhered that has low surface polarity; and an aqueous adhesive using the resin composition for an aqueous adhesive. Specifically disclosed is a resin composition for an aqueous adhesive, which is characterized by containing (A) a vinyl resin, (B) an esterified product of a disproportionated rosin acid and (C) an aqueous medium. The resin composition for an aqueous adhesive is also characterized in that the esterified product of a disproportionated rosin acid (B) has a structure represented by general formula (1). Also specifically disclosed are an aqueous adhesive that contains the resin composition for an aqueous adhesive; and an adhesive sheet that uses the aqueous adhesive.
Description
technical field [0001] The present invention relates to a water-based adhesive that can be used for laminating various adherends typified by automotive interior components, a water-based adhesive resin composition for producing the water-based adhesive, and a product obtained by using the same. Adhesive sheets and laminates. Background technique [0002] In recent years, adhesives have been used in the manufacture of various industrial products represented by automobile parts and electrical products. [0003] For example, adhesives are used in automobile manufacturing sites to fix automobile interior components to the interior of automobiles. In addition, in the manufacturing sites of electronic equipment such as mobile phones and liquid crystal displays, adhesives are used in fixing cushioning materials and the like installed inside electronic products for the purpose of protecting electronic products from impacts, and fixing external parts of electronic products. mixture...
Claims
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Application Information
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