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Isoprene polymer latex composition

A polymer glue, isoprene technology, used in other household appliances, coatings, household components, etc.

Active Publication Date: 2021-08-13
RESONAC CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Patent Document 1 only describes the mechanical properties of the cross-linked molded product obtained by one dipping operation, and does not mention whether the cross-linked molded product obtained after multiple dipping operations shows the same mechanical properties.

Method used

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  • Isoprene polymer latex composition
  • Isoprene polymer latex composition
  • Isoprene polymer latex composition

Examples

Experimental program
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Effect test

Embodiment 1

[0095] Modulation of chloroprene polymer latex and composition thereof:

[0096] Using a reactor with an internal volume of 5 liters, 1.83 kg of 2-chloro-1,3-butadiene (chloroprene) (manufactured by Tokyo Chemical Industry Co., Ltd.), 2,3-dichloro-1,3-butane Diene (manufactured by Tokyo Chemical Industry Co., Ltd.) 0.17 kg, pure water 1.12 kg, abietic acid (manufactured by Arakawa Chemical Industry Co., Ltd., R-300) 34 g, 20% by mass potassium hydroxide aqueous solution (manufactured by Fuji Film Wako Junpharmaceutical Co., Ltd. Premium product) 106.6 g, sodium salt of β-naphthalenesulfonic acid formaldehyde condensate (manufactured by Kao Corporation) 24 g, sodium dodecylbenzenesulfonate (manufactured by Kao Corporation, Neoperex (registered trademark) G-15) 6.0 g, make it emulsified, after making rosin acid into rosin soap, use potassium persulfate (Fuji Filum Wako Junpharma Co., Ltd. first-class product) as initiator, under nitrogen atmosphere, carry out 5 at initial temper...

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Abstract

The present invention relates to an isoprene polymer latex composition that contains a chloroprene polymer latex (A) and an isoprene polymer latex (B); the chloroprene polymer has a Z average particle size of 180 to less than 300 nm and a tetrahydrofuran-insoluble fraction of 80-99 mass%; the chloroprene polymer latex (A) is a copolymer latex of (1) chloroprene (A-1) and 2,3-dichloro-1,3-butadiene (A-2-1) or a copolymer latex of (2) the above (A-1) and (A-2-1) and another monomer (A-2-2), and the copolymer is one obtained by copolymerizing 5.0-30.0 mass% of 2,3-dichloro-1,3-butadiene (A-2-1) per a total of 100 mass% of the monomer components chloroprene (A-1) and 2,3-dichloro-1,3-butadiene (A-2-1). The present invention maintains the quality of the isoprene polymer latex composition, and the properties after crosslinking of a molded product obtained by dipping a dipping former into the composition multiple times do not decline.

Description

technical field [0001] The present invention relates to an isoprene-based polymer latex composition comprising a chloroprene polymer latex and an isoprene polymer latex. The isoprene-based polymer latex polymer composition of the present invention can maintain the ratio of the two polymer latexes in the above-mentioned composition even if the molding die is repeatedly dipped in the step of manufacturing a molded article by the dipping method, and can A product of such quality that the physical properties of the molded article obtained when dipping is performed multiple times, for example, the physical properties after crosslinking of medical gloves, etc., are not deteriorated is obtained. Background technique [0002] Chloroprene polymer is a crystalline polymer rubber containing chlorine. It is well-balanced in various physical properties such as chemical resistance, heat resistance, and weather resistance among various rubbers. It is used in glove products as a representat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/00C08K3/011C08K3/014C08K3/22C08K5/098C08L11/02C08L15/02
CPCC08F236/18C08L7/02C08L9/10C08F2/26C08L11/02B29C41/003B29L2031/4864C08F136/08C08K3/22C08K5/0025C08K5/005C08K2003/2296C08L93/04C08L2201/52C08L2205/18
Inventor 小川真广村田智映尾川展子上条正直
Owner RESONAC CORPORATION
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