公开(公告)号：US20230167243A1

公开(公告)日：2023-06-01

申请号：US17995867

申请日：2021-04-13

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Rajdeep S. Kalgutkar ,  David T. Amos ,  Ignatius A. Kadoma ,  Joseph A. Severance ,  Jilliann M. Nelson ,  Annabelle Watts ,  Jonathan J. Anderson ,  Kimberly C.M. Schultz

IPC: C08G73/12 ,  C08G73/10 ,  C09J7/38 ,  C09J7/10 ,  C09J11/08

CPC classification number: C08G73/122 ,  C08G73/1042 ,  C09J7/38 ,  C09J7/10 ,  C09J11/08 ,  C09J2301/414 ,  C09J2301/408 ,  C09J2479/08 ,  C09J2493/00 ,  C09J2477/00

Abstract: Branched amorphous polyamide (co)polymers having a backbone formed by reacting a reaction mixture including at least 25 mol % of a di-amine selected from a secondary di-amine, a branched di-amine, or a combination thereof; and an aliphatic acid blend including a branched aliphatic dimer acid and a branched aliphatic trimer acid. The molar equivalent ratio of the di¬ amine to the aliphatic acid blend is 0.9-1.1. Preferably, the branched amorphous polyamide (co)polymer is not telechelic. The branched amorphous polyamide (co)polymer preferably exhibits one or more of a shear modulus of from 10,000 to 500,000 Pa at 70° C., a complex viscosity of greater than 1,000,000 mPa*s at 70° C., a glass transition temperature of less than 25° C., or a number average molecular weight of greater than 10,000 Da. Biodegradable and/or compostable adhesive articles including the branched amorphous polyamide (co)polymer also are disclosed.

公开(公告)号：US10138367B2

公开(公告)日：2018-11-27

申请号：US15304184

申请日：2015-04-21

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Rajdeep S. Kalgutkar ,  Joseph A. Severance ,  David S. Hays ,  Alexander J. Kugel ,  Eugene H. Carlson

IPC: C08L51/06 ,  C08L33/08 ,  C08G81/02 ,  C08L33/00 ,  C08L83/08 ,  C09D123/08 ,  E01F9/506 ,  C08G77/442 ,  E01F9/512 ,  C08G77/14

Abstract: Copolymers of poly(ethylene-co-acrylic acid) and polydiorganosiloxanes, compositions comprising the same, and articles comprising the copolymers, compositions, or both.