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Title:
RUBBER-INNER-SURFACE RELEASE AGENT, RUBBER-INNER-SURFACE RELEASE-AGENT MANUFACTURING METHOD, RUBBER-INNER-SURFACE RELEASE-AGENT WATER DISPERSION LIQUID, RUBBER-PRODUCT MANUFACTURING METHOD, TIRE MANUFACTURING METHOD, RUBBER PRODUCT, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2021/167025
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a rubber-inner-surface release agent that is capable of achieving both suppression or prevention of the occurrence of aggregates and suppression or prevention of the occurrence of oil spots after application.　In order to achieve the above-described purpose, the rubber-inner-surface release agent according to the present invention is characterized by containing the following components (A) to (D). (A) an inorganic component; (B) a hydrophobic silicone; (C) at least one kind of anionic surfactant selected from the group consisting of (c1) sulfuric-acid ester-type anionic surfactants and (c2) sulfonic-acid-type anionic surfactants (excluding alkylbenzene sulfonate); and (D) a nonionic surfactant of which the HLB value according to the Griffin method falls within the range from 7.2 to 11.5.

Inventors:
SHIMOHARA SHUICHI (JP)
KURAMOTO TAKAYUKI (JP)
Application Number:
PCT/JP2021/006216
Publication Date:
August 26, 2021
Filing Date:
February 18, 2021
Export Citation:
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Assignee:
LION SPECIALTY CHEMICALS CO LTD (JP)
International Classes:
B29C33/64
Foreign References:
JP2019188632A2019-10-31
JP2019136895A2019-08-22
JP2019098625A2019-06-24
JP2019042957A2019-03-22
JP2012228783A2012-11-22
JP2013107327A2013-06-06
JP2016153184A2016-08-25
CN108688027A2018-10-23
Attorney, Agent or Firm:
TSUJIMARU Koichiro et al. (JP)
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