Search International and National Patent Collections

1. (WO2018204346) METHODS FOR MAKING FOAM LAMINATES HAVING A CONCAVE SURFACE AND LAMINATES PRODUCED THEREBY

Pub. No.:    WO/2018/204346    International Application No.:    PCT/US2018/030423
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Wed May 02 01:59:59 CEST 2018
IPC: B29C 44/56
B29C 51/14
B29C 44/32
B29C 44/14
B29K 75/00
B29L 31/30
B29K 105/04
Applicants: COVESTRO LLC
Inventors: LEE, Bin
Title: METHODS FOR MAKING FOAM LAMINATES HAVING A CONCAVE SURFACE AND LAMINATES PRODUCED THEREBY
Abstract:
Disclosed are methods for making foam laminates having a concave surface. The methods include: (a) placing the foam sheet-containing sandwich structure in a mold; and (b) shaping the laminate in the mold to form the foam laminate having a concave surface. In the methods, the foam sheet is a slice from a foam bun in which a foaming reaction occurs such that the foam rises in a direction away from a base, such that one major surface of the sheet is a foam rise direction facing surface and the opposed major surface of the sheet is a base facing surface, and prior to placing the foam laminate in the mold, the foam sheet is oriented so that the shaping forms the foam laminate having the concave surface wherein the foam rise direction facing surface of the foam sheet faces the concave surface of the foam laminate. Also disclosed are automotive headliners and hoodliners made thereby.