Title:
【発明の名称】ポリマーフォームを含む物品およびその製造方法
Document Type and Number:
Japanese Patent JP2002521544
Kind Code:
A
Abstract:
Article comprises a polymer foam having a surface roughness 75 Microm (measured by laser triangulation profilometry). The foam comprises microspheres, at least one of which is an expandable polymeric microsphere. Independent claims are also included for the following: (A) preparing the article, comprising: (a) melt mixing a polymer composition and several microspheres to form an expandable extrudable composition, (b) extruding the composition through a die to form a foam, and (c) at least partially expanding the microsphere(s) before the composition exits the die; and (B) a multi-layer article comprising: (a) a substrate having a pair of major surfaces, and (b) a foam article on a major surface of the substrate.
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Inventors:
Jersen, Mark Dee.
Monchilovich, Bradley S.
Monchilovich, Bradley S.
Application Number:
JP2000562430A
Publication Date:
July 16, 2002
Filing Date:
July 30, 1999
Export Citation:
Assignee:
3M Innovative Properties Company
International Classes:
B29C44/18; B29C48/21; B29C48/38; B29C48/495; B29C70/66; C08J9/14; C08J9/32; C09J5/08; C09J127/08; C09J133/00; C09J167/00; C08L33/00; (IPC1-7): C08J9/14; C09J127/08; C09J133/00; C09J167/00
Domestic Patent References:
| JPH0770520A | 1995-03-14 | |||
| JPH03294377A | 1991-12-25 | |||
| JP2000017140A | 2000-01-18 | |||
| JP2001521960A | 2001-11-13 | |||
| JPH07330935A | 1995-12-19 | |||
| JPH10158493A | 1998-06-16 | |||
| JPH10152575A | 1998-06-09 |
Attorney, Agent or Firm:
Takashi Ishida (4 others)