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Patent Searching and Data


Title:
MULTILAYER ROLLED SHEET HAVING CYCLIC OLEFIN RESIN LAYER
Document Type and Number:
Japanese Patent JPH08142289
Kind Code:
A
Abstract:

PURPOSE: To obtain a multilayer rolled sheet which is excellent in optical characteristics and moistureproofness, and especially excellent in toughness by a method wherein that is composed of two resin layers, and one side resin layer is rolled as specified cyclic olefin resin.

CONSTITUTION: A multilayer rolled sheet having a cyclic olefin resin layer is provided wherein that is composed of two resin layers, and one side resin layer is obtained by rolling a raw fabric sheet consisting of cyclic olefin resin represented by the formula I or formula II. In the formula I, n is zero or 1; m is zero or a positive integer; q is zero or 1; R1-R18, and Ra, and Rb are respectively independently a hydrocarbon group which may be replaced by a halogen atom or halogen; R15-R18 may be bonded to each other to form a monocycle or a polycycle; and the monocycle may have double bond. In the formula II, p and q are zero or a positive integer, and m and n are zero, 1, or 2.


Inventors:
YAMAGUCHI MASAYOSHI
Application Number:
JP28065694A
Publication Date:
June 04, 1996
Filing Date:
November 15, 1994
Export Citation:
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Assignee:
MITSUI PETROCHEMICAL IND
International Classes:
B32B27/32; B29C55/18; C08F32/00; C08F210/00; C08F210/02; C08F232/08; C08F255/00; C08G61/06; C08G61/08; B29K45/00; B29L9/00; (IPC1-7): B32B27/32; B29C55/18; C08F210/02; C08F232/08; C08G61/08
Attorney, Agent or Firm:
Shunichiro Suzuki