Invention Grant
- Patent Title: Method for producing multi-layer polyethylene resin foam sheet
- Patent Title (中): 多层聚乙烯树脂发泡片的制造方法
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Application No.: US13974738Application Date: 2013-08-23
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Publication No.: US09592642B2Publication Date: 2017-03-14
- Inventor: Kazuhiko Morita , Hirotoshi Kakuta , Ryuichi Taniguchi
- Applicant: JSP Corporation
- Applicant Address: JP Tokyo
- Assignee: JSP CORPORATION
- Current Assignee: JSP CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP2012-201181 20120913
- Main IPC: B29C44/24
- IPC: B29C44/24 ; B29D7/01 ; B32B5/20 ; B32B7/02 ; B32B27/06 ; B32B27/08 ; B32B27/32 ; C08L23/08 ; C08L23/14 ; C08L23/06 ; C08J9/00 ; C08J9/08 ; C08J9/12 ; B29K105/00 ; B29C47/00 ; B29K23/00 ; B29L9/00 ; B29C47/56 ; B29C47/06
Abstract:
A method for producing a multi-layer foam sheet having a foam layer and a resin layer laminated on at least one side of the foam layer, includes coextruding a foamable molten resin composition which contains a low density polyethylene and a physical blowing agent and a molten resin composition which contains 80 to 20% by weight of a specific ethylene-propylene random copolymer and 20 to 80% by weight of a specific polyethylene resin so that the foamable molten resin composition forms the foam layer and the molten resin composition forms the resin layer.
Public/Granted literature
- US20140070442A1 METHOD FOR PRODUCING MULTI-LAYER POLYETHYLENE RESIN FOAM SHEET Public/Granted day:2014-03-13
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