Method for preparing a multi-layered polymeric composite and a multi-layered composite produced thereby

• US 6,682,809 B2
• Filed: 09/13/2001
• Issued: 01/27/2004
• Est. Priority Date: 09/14/2000
• Status: Expired due to Term

• Current Assignee: Rohm and Haas Company (Dow, Inc.)
• Original Assignee: Rohm and Haas Company (Dow, Inc.)
• Inventors: Van Rheenen, Paul Ralph
• Primary Examiner(s): NAKARANI, DHIRAJLAL S
• Application Number:
  US09/951,920
• Publication Number:
  US 20020054996A1
• Time in Patent Office: 866 Days
• Field of Search: 428/220, 428/522, 428/517, 428/518, 428/519, 428/520, 525/268, 525/309, 525/244
• US Class Current: 428/220
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: C08F 257/02 on to polymers of styrene or alkyl-substituted styrenes
• CPC Class Codes: C08F 265/04 on to polymers of esters
• CPC Class Codes: C08F 265/06 Polymerisation of acrylate or methacrylate esters on to polymers thereof
• CPC Class Codes: C08F 290/00 Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
• CPC Class Codes: C08F 290/04 Polymers provided for in subclasses C08C or C08F
• CPC Class Codes: C08F 290/046 Polymers of unsaturated carboxylic acids or derivatives thereof
• CPC Class Codes: C08F 290/06 Polymers provided for in subclass C08G
• CPC Class Codes: C08F 290/061 Polyesters; Polycarbonates
• CPC Class Codes: C08F 291/00 Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
• CPC Class Codes: C08F 293/005 using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
• CPC Class Codes: C08L 101/00 Compositions of unspecified macromolecular compounds
• CPC Class Codes: C08L 23/0815 Copolymers of ethene with aliphatic 1-olefins
• CPC Class Codes: C08L 23/10 Homopolymers or copolymers of propene
• CPC Class Codes: C08L 23/16 Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
• CPC Class Codes: C08L 23/20 having four to nine carbon atoms
• CPC Class Codes: C08L 23/22 Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
• CPC Class Codes: C08L 2314/06 Metallocene or single site catalysts
• CPC Class Codes: C08L 25/12 with unsaturated nitriles
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 2666/04 : Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
• CPC Class Codes: C08L 2666/14 : Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
• CPC Class Codes: C08L 2666/24 : Graft or block copolymers according to groups C08L51/00, C08L53/00 or C08L55/02; Derivatives thereof
• CPC Class Codes: C08L 27/06 : Homopolymers or copolymers of vinyl chloride
• CPC Class Codes: C08L 27/24 : halogenated
• CPC Class Codes: C08L 33/00 : Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 33/06 : of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
• CPC Class Codes: C08L 33/10 : Homopolymers or copolymers of methacrylic acid esters
• CPC Class Codes: C08L 51/00 : Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds for ABS polymers C08L55/02; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 51/003 : grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds C08L51/04, C08L51/06 take precedence
• CPC Class Codes: C08L 53/00 : Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 53/02 : of vinyl-aromatic monomers and conjugated dienes
• CPC Class Codes: C08L 55/02 : ABS [Acrylonitrile-Butadiene-Styrene] polymers
• CPC Class Codes: C08L 67/02 : Polyesters derived from dicarboxylic acids and dihydroxy compounds C08L67/06 takes precedence
• CPC Class Codes: C08L 67/06 : Unsaturated polyesters
• CPC Class Codes: C08L 69/00 : Compositions of polycarbonates; Compositions of derivatives of polycarbonates
• CPC Class Codes: C08L 77/00 : Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain of polyhydrazides C08L79/06; of polyamideimides or polyamide acids C08L79/08; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 77/02 : Polyamides derived from omega-amino carboxylic acids or from lactams thereof C08L77/10 takes precedence
• CPC Class Codes: C08L 77/06 : Polyamides derived from polyamines and polycarboxylic acids C08L77/10 takes precedence
• CPC Class Codes: C09D 151/003 : grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds C09D151/04, C09D151/06 take precedence
• CPC Class Codes: C09D 153/00 : Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
• CPC Class Codes: C09J 133/00 : Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
• CPC Class Codes: C09J 133/10 : Homopolymers or copolymers of methacrylic acid esters
• CPC Class Codes: C09J 151/003 : grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds C09J151/04, C09J151/06 take precedence
• CPC Class Codes: C09J 2301/302 : the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
• CPC Class Codes: Y10T 428/31536 : Including interfacial reaction product of adjacent layers
• CPC Class Codes: Y10T 428/3175 : Next to addition polymer from unsaturated monomer[s]
• CPC Class Codes: Y10T 428/31797 : Next to addition polymer from unsaturated monomers
• CPC Class Codes: Y10T 428/31913 : Monoolefin polymer
• CPC Class Codes: Y10T 428/31917 : Next to polyene polymer
• CPC Class Codes: Y10T 428/3192 : Next to vinyl or vinylidene chloride polymer
• CPC Class Codes: Y10T 428/31928 : Ester, halide or nitrile of addition polymer
• CPC Class Codes: Y10T 428/31931 : Polyene monomer-containing
• CPC Class Codes: Y10T 428/31935 : Ester, halide or nitrile of addition polymer

Abstract

The present invention relates to: a method of preparing a capstock layer that includes a comb copolymer; a method of preparing a multi-layered polymeric composite, one layer of which is a capstock layer; and a capstock layer and a multi-layered composite formed, respectively, thereby.

Claims

1. A capstock composition comprising a comb copolymer:

wherein said comb copolymer comprises a backbone and at least one graft segment; and

wherein;

(i) said graft segment and said backbone are in a weight ratio from 30;

70 to 60;

40;

(ii) said backbone is immiscible with said graft segment at room temperature;

(iii) said backbone has a glass transition temperature of −

65°

C. to 10°

C. and

(iv) said graft segment has a glass transition temperature of 70°

C. to 180°

C.

2. The composition of claim 1, wherein said composition is a capstock layer having a thickness of 10 microns to 1,000 microns.

3. The composition of claim 1, wherein said comb copolymer has a weight average molecular weight of 80,000 to 2,000,000.

4. The composition of claim 1, wherein said graft segment has a degree of polymerization of 10 to 1,000.

5. The composition of claim 1:

wherein said composition is an impact resistant capstock layer having a composition which is the same as the composition of Dropping Dart Impact specimens prepared and tested according to ASTM method D-446 with impact head configuration H.25; and

wherein said Dropping Dart Impact specimens have a dart impact energy of at least 2.0 joules.