Title:
PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR ROAD SURFACE OR FLOOR SURFACE AND MARKING SHEET
Document Type and Number:
WIPO Patent Application WO/2022/075143
Kind Code:
A1
Abstract:
This pressure-sensitive adhesive composition for road or floor surfaces comprises a (meth)acrylic copolymer (A), which is a copolymer of monomer ingredients comprising 20-69 mass% alkyl (meth)acrylate monomer (a1) in which the alkyl group has 1-7 carbon atoms, 30-74 mass% alkyl (meth)acrylate monomer (a2) in which the alkyl group has 8-20 carbon atoms, and 1-6 mass% monomer (a3) containing an acidic group, and a rosin-based tackifier resin (B), wherein the resin (B) is contained in an amount in the range of 10-30 parts by mass per 100 parts by mass of the copolymer (A), the copolymer (A) having a content of components having a molecular weight of 5,000 or less of 1.5 mass% or less.
Inventors:
TOYODA TAKASHI (JP)
Application Number:
PCT/JP2021/035832
Publication Date:
April 14, 2022
Filing Date:
September 29, 2021
Export Citation:
Assignee:
SOKEN KAGAKU KK (JP)
International Classes:
C09J11/06; B32B15/08; B32B15/082; B32B15/20; C08F220/18; C09J7/22; C09J7/28; C09J7/38; C09J133/06
Domestic Patent References:
| WO2020189700A1 | 2020-09-24 |
Foreign References:
| JP2018177902A | 2018-11-15 | |||
| JP2019151837A | 2019-09-12 | |||
| JP2019065188A | 2019-04-25 | |||
| JP2009035632A | 2009-02-19 | |||
| JP2015184488A | 2015-10-22 |
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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