STOCK ROLL FOR POLYURETHANE FOAM MANUFACTURING PROCESS PAPER, AND PROCESS PAPER

• Main Authors: KURODA TAKASHI, YAMADA KAZUHIRO, TONOOKA KOICHI
• Format: Patent
• Language: English
• Published: 21.03.2000
• Edition: 7
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; NATURAL OR ARTIFICIAL THREADS OR FIBRES; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SPINNING; TEXTILES; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PROBLEM TO BE SOLVED: To provide a process paper having improved chemical resistance and water resistance to be used for manufacturing polyurethane foam, and a sheet which is a raw material of the process paper (a pattern paper), i.e., what is called a stock roll for a polyurethane foam manufacturing process paper. SOLUTION: A biaxially drawn laminated sheet with a density of at most 0.8 g/ml provided with a resin layer A contg. a crystalline propylene resin, a cyclopentadiene petroleum resin and an inorg. filler and a resin layer B wherein a crystalline propylene resin is a main ingredient on one face or both faces of the resin layer A is used as a stock roll for a polyurethane foam manufacturing process paper. In addition, a polyurethane foam manufacturing process paper is manufactured by applying emboss molding on the stock roll.