Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1993-12-14
1995-01-31
Szekely, Peter
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524423, 524427, 524308, 524310, 524548, 524570, 524584, 524586, C08L 2308, C08L 3900, C08K 326, C08K 510
Patent
active
053859723
ABSTRACT:
A filler-containing resin composition containing
component A, which is an ethylene copolymer having (a) a melt flow rate (MFR) of 0.01 to 20 g/10 min.; (b) a density D of not more than 0.935 g/cm.sup.3 ; (c) a single peak of elution volume corresponding to a temperature within a range from 30 to 100.degree. C. with the elution curve satisfying a relationship in which the ratio H/W is not less than 1 when H represents the height of the peak and W represents the width of the elution curve at 1/2 H; and (d) an elution volume Y wherein (1) Y.ltoreq.-4500D+4105 when the density D of the component A is less than 0.91 g/cm.sup.3, but Y.ltoreq.100; or (2) Y.ltoreq.10 when the density D of the component A is not less than 0.91 g/cm.sup.3 ; and
component B, which is a particulate inorganic filler having an average particle size of not more than 10 .mu.m, and a bulk density of 0.1 to 0.7 g/cm.sup.3 ;
is provided which can be readily formed by stretching, and that is advantageously usable for the formation of thin formed bodies having excellent elastic recovery, strength and feeling, and also having very excellent gas-permeability.
REFERENCES:
patent: 3105057 (1963-09-01), Medalia
patent: 4039507 (1977-07-01), Paige et al.
patent: 4604421 (1986-08-01), Mitsuno et al.
patent: 5137955 (1992-08-01), Tsuchiya et al.
patent: 5182349 (1993-01-01), Okada et al.
Database WPI, Derwent Publications Ltd., AN 87-075466, JP-A-62 027 438, Feb. 5, 1987.
Ikeno Hajime
Shichijo Keiko
Yamamoto Koji
Mitsubishi Petrochemical Co. Ltd.
Szekely Peter
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