US 12,312,469 B2 · Composition comprising a compound with two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and article comprising it

Abstract

The present invention relates to a composition comprising a compound with two polymerizable groups, a multistage polymer and a thermoplastic polymer its process of preparation and its use. In particular the present invention relates to a composition comprising a compound with two polymerizable groups, a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer. More particularly the present invention relates to polymer composition comprising a compound with two polymerizable groups, polymeric particles made by a multistage process comprising at least two stages and a (meth)acrylic polymer, its method of preparation, its use for making impact modified polymer compositions, comprising thermosetting resins and compositions and articles comprising it.

Claims36

Dependent claims

A polymeric composition (PC2) comprising:

a) a multistage polymer (MP1) comprising
a1) one stage (A1) comprising a polymer (A1) having a glass transition temperature of less than 10° C.,
a2) one stage (A2) comprising a polymer (A2) having a glass transition temperature of at least 60° C., and
b) a thermoplastic polymer (B1) having a glass transition temperature of at least 30° C., and
c) a polymer (P2) comprising units from a compound (C1) with at least two polymerizable groups (PG1) and (PG2),
wherein polymer (B1) has a mass average molecular weight Mw of between 10,000 g/mol and 500,000 g/mol and that the component b) represents at most 40 wt % of a composition based on a), and b) only and the sum of components a) and b) is between 0.5 phr and 100 phr for 100 phr of component c).

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/619,271Filed 26 Jun 2020

Priority

FR FR19.0695426 Jun 2019

Published

US 2022/0298336 A122 Sep 2022

Granted

27 May 2025

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

C08L 9/10
Compositions of homopolymers or copolymers of conjugated diene hydrocarbons: latex
C08F 279/06
On to polymers of conjugated dienes: vinyl aromatic monomers and methacrylates as the only monomers
C08F 283/01
Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G: on to unsaturated polyesters
C08F 285/00
Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers

Composition comprising a compound with two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and article comprising it

Life of this patent

Composition comprising a compound with two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and article comprising it

Life of this patent

Abstract

Claims36