Title:
COMPOSITIONS AND FILMS COMPRISING POLYLACTIC ACID POLYMER, POLYVINYL ACETATE POLYMER AND PLASTICIZER
Document Type and Number:
Japanese Patent JP2021038396
Kind Code:
A
Abstract:
To provide a film for a substrate tape or sheet of a pressure sensitive adhesive.SOLUTION: A film comprises a composition comprising: a semicrystalline polylactic acid polymer; a polyvinyl acetate polymer having a glass transition temperature (Tg) of at least 25°C; a plasticizer; and an optionally amorphous polylactic acid polymer, and has a tensile elongation of 50% to 600%.SELECTED DRAWING: Figure 2
Inventors:
ZHOU NING
ROBERT S CLOUGH
DEREK J DEHN
JEFFREY P KALISH
WILLIAM W MERRILL
KEVIN M LEWANDOWSKI
JAYANT CHAKRAVARTY
ROBERT S CLOUGH
DEREK J DEHN
JEFFREY P KALISH
WILLIAM W MERRILL
KEVIN M LEWANDOWSKI
JAYANT CHAKRAVARTY
Application Number:
JP2020180984A
Publication Date:
March 11, 2021
Filing Date:
October 29, 2020
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO
International Classes:
C08J5/18; C08L31/04; C08L67/04; C09J7/38; C09J201/00; C09J7/20
Domestic Patent References:
| JP2011006615A | 2011-01-13 | |||
| JPH09151310A | 1997-06-10 | |||
| JPH07504227A | 1995-05-11 | |||
| JP2012530724A | 2012-12-06 | |||
| JP2011136428A | 2011-07-14 | |||
| JPH04504731A | 1992-08-20 |
Foreign References:
| WO2011082052A1 | 2011-07-07 | |||
| WO2010055903A1 | 2010-05-20 |
Attorney, Agent or Firm:
Taro Akazawa
Wakako Nomura
Tsukuda Seigen
Keiichi Asamura
Wakako Nomura
Tsukuda Seigen
Keiichi Asamura