Polymer latex production method
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United States of America Patent
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Mar 2, 2021
Grant Date -
Jan 24, 2019
app pub date -
Jan 26, 2017
filing date -
Feb 3, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method for producing a polymer latex, including an emulsification step of emulsifying a polymer solution obtained by dissolution of synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer having a molecular weight distribution of 1.0 to 2.6 in an organic solvent, in water in the presence of a surfactant, to thereby obtain an emulsified liquid, wherein as the synthetic polyisoprene and/or styrene-isoprene-styrene block copolymer, used are/is synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer which, when dissolved in an organic solvent to thereby be formed into a polymer solution having a viscosity at a temperature of 60° C. of 20,000 cps, have/has a solid content concentration in the range of 10 to 60% by weight.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- C08C:TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- B60C:VEHICLE TYRES
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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