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Patent Searching and Data


Title:
BACKING MATERIAL FOR TILE CARPET
Document Type and Number:
Japanese Patent JP3138935
Kind Code:
B2
Abstract:

PURPOSE: To provide the subject non-pollution type thermoplastic backing material excellent in heat distortion resistance, having such characteristics as to be flexible at room temperature and hard to develop cracks even if bent.
CONSTITUTION: The objective backing material comprising (A) 3-75wt.% of a low-molecular weight polypropylene (1) 1000-20000 in the number-average molecular weight determined by GPC technique using a solvent: ODCB at 135°C and (2) 145-170°C in the softening point determined by ring and ball method, (B) 3-75wt.% of a polyolefin elastomer like an ethylene-propylene copolymer, EPT, or EPDM and (C) 15-90wt.% of an inorganic filler like light calcium carbonate, clay, talc, silica or alumina. Furthermore, the following ingredients may be incorporated for the purpose of improving adhesiveness (D) 0.2-10wt.% of a crystalline polypropylene 0.1-25 in MFR and (E) 1-15wt.% of a tackifying resin such as a natural matter like rosin or terpene or petroleum resin-based synthetic product.


Inventors:
Kajikawa, Akio
Application Number:
JP35420991A
Publication Date:
February 26, 2001
Filing Date:
November 22, 1991
Export Citation:
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Assignee:
NIPPON PETROCHEM CO LTD
International Classes:
A47G27/02; D04H1/544; D04H1/587; D06N3/04; (IPC1-7): A47G27/02; D04H1/58; D06N3/04
Attorney, Agent or Firm:
斉藤 武彦 (外1名)