Title:
DEGRADABLE FOAM CUSHIONING BODY AND ITS MANUFACTURE
Document Type and Number:
Japanese Patent JP2000108230
Kind Code:
A
Abstract:
To provide a degradable foam cushioning body having excellent moldability and strength or the like, and a high biodegradation rate.
A cap film 2 and a back film 1 are each composed of an aliphatic polyester resin or a composition of a polycaprolactone and the aliphatic polyester resin. A melt index at a temperature of 190°C and a load of 2,160 g of the aliphatic polyester resin is 3-10 g/10 min, and a melt tension at a cylinder temperature of 150°C, a cylinder speed of 1 mm/min and a take-off speed of 1 m/min is at least 3 g.
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Inventors:
NAKADA KOJI
DAITO TERUMASA
KAWAKAMI HAJIME
IWASAKA MASAKI
DAITO TERUMASA
KAWAKAMI HAJIME
IWASAKA MASAKI
Application Number:
JP27905798A
Publication Date:
April 18, 2000
Filing Date:
September 30, 1998
Export Citation:
Assignee:
DAICEL CHEM
KAWAKAMI SANGYO KK
KAWAKAMI SANGYO KK
International Classes:
B65D81/03; B29C39/00; B32B3/26; C08G18/42; C08G18/73; C08G63/12; C08L67/02; C08L67/04; C08L101/16; B29K105/04; (IPC1-7): B32B3/26; B29C39/00; B65D81/03; C08G18/42; C08G18/73; C08G63/12; C08L67/02; C08L67/04
Attorney, Agent or Firm:
Yoshikazu Miura
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