Tear resistant gels, composites, and articles

• US 20040068040A1
• Filed: 04/21/2003
• Published: 04/08/2004
• Est. Priority Date: 04/19/1994
• Status: Active Grant

• Current Assignee: Applied Elastomerics Incorporated
• Original Assignee: John Y. Chen
• Inventors: Chen, John Y.
• Granted Patent: US 7,105,607 B2
• Time in Patent Office: Days
• US Class Current: 524/481
• CPC Class Codes: A61F 2/7843 Inflatable bladders
• CPC Class Codes: C08K 3/013 Fillers, pigments or reinforcing additives
• CPC Class Codes: C08K 5/01 Hydrocarbons C08K5/0091 takes precedence
• CPC Class Codes: C08L 53/02 of vinyl-aromatic monomers and conjugated dienes
• CPC Class Codes: C08L 53/025 modified

Abstract

Novel gelatinous compositions and articles are formed from an intimate melt blend admixture of one or more of a high viscosity poly(styrene-ethylene-butylene styrene), poly(styrene-ethylene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene)_n, and poly(styrene-ethylene-propylene)_n triblock and branched copolymers and high levels of a plasticizing oil.

Claims

1. A composite article comprising a gelatinous elastomer composition, G, in contact with one or more of a selected substrate material, M, said gelatinous elastomer composition comprising:

(i) 100 parts by weight of one or a mixture of two or more of a hydrogenated styrene isoprene/butadiene block copolymer(s) and from

(ii) about 300 to about 1,600 parts by weight of a plasticizing oil; and

in combination with or without

(iii) a selected amount of one or more polymers or copolymers of poly(styrene-butadiene-styrene), poly(styrene-butadiene)_n, poly(styrene-isoprene-styrene)_n, poly(styrene-isoprene)_n, poly(styreneethylene-propylene), poly(styrene-ethylene-propylene-styrene), poly(styreneethylene-butylene-styrene), poly(styrene-ethylene-butylene), poly(styrene-ethylene-propylene)_n, poly(styrene-ethylene-butylene)_n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, or polyethylene, wherein said selected copolymer is a linear, radial, star-shaped, branched or multiarm copolymer, wherein n is greater than one; and

wherein said composite formed from the combination G_nM_n,G_nM_nM_nG_n,G_nG_nM_nM_n,G_nM_nG_nM_nM_n, G_nM_nG_n,M_nG_nM_n,G_nG_nM_n,M_nM_nM_nG_n,M_nM_nM_nM_nG_nM_n, M_nG_nG_nM_n, G_nM_nG_nG_n, G_nM_nM_nG_n, G_nG_nM_nM_n,G_nG_nM_nM_n, G_nM_nG_nM_nM_n,M_nG_nM_nG_nM_nG_n,G_nG_nM_nM_nG_n, G_nG_nM_nG_nM_nG_n, a sequential addition or a permutation of one or more of said G_n with M_n;

wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, concrete, wood, glass, ceramics, synthetic resin, synthetic fibers or refractory materials; and

wherein when n is a subscript of G, n denotes the same or a different gel rigidity.

5. A composite of claim 1, 2, 3, or 4, wherein said hydrogenated styrene block copolymer is one or more of a block copolymer of poly(styrene-ethyleneethylene-propylene-styrene).

6. A composite article of claim 1 or 4, wherein a source of said hydrogenated poly(styrene-isoprene/butadiene-styrene) block polymer being a Septon®

poly(styrene-ethylene-ethylene-propylene-styrene) block copolymer.

7. A composite of claim 1, 2, 3, or 4, wherein said one or more (i) block copolymer(s) is poly(styrene-ethylene-ethylene-propylene-styrene) and a source of said block copolymers being Septon®

4033, Septon®

4045 and Septon®

4055.

12. A composite according to claims 1, 2, 3, or 4, wherein said one or more (i) block copolymers is made from poly(styrene-ethylene-ethylene-propylene-styrene) and a source of said block copolymers being Septon®

4033, Septon®

4044, Septon®

4045, Septon®

4055, Septon®

4007, and Septon®

4099.

2. A composite article comprising a gelatinous elastomer composition, G, in contact with one or more of a selected substrate material, M, said gelatinous elastomer composition comprising:

(i) 100 parts by weight of one or a mixture of two or more of a hydrogenated styrene isoprene/butadiene block copolymer(s) and

(ii) from about 300 to about 1,600 parts by weight of an plasticizing oil;

in combination with or without

(iii) a selected amount of one or more polymer or copolymer of poly(styrene-butadiene-styrene), poly(styrene-butadiene)_n, poly(styrene-isoprene-styrene), poly(styrene isoprene)_n, poly(styreneethylene-propylene), poly(styrene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene-styrene), poly(styrene-ethylene-butylene), poly(styrene-ethylene-propylene)_n, poly(styrene-ethylene-butylenc)_n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, or polyethylene, wherein said selected copolymer is a linear, radial, branched, star-shaped, or multianm copolymer, and n is an integer greater than one;

wherein said composite formed from the combination G_nM_n of said G_n with M_n;

wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, concrete, wood, glass, ceramics, synthetic resin, synthetic fibers or refractory materials; and

wherein when n is a subscript of G, n denotes the same or a different gel rigidity.

3. A composite article comprising a gelatinous elastomer composition, G, in contact with one or more of a selected substrate material, M, said gelatinous elastomer composition comprising:

(i) 100 parts by weight of one or a mixture of two or more of a hydrogenated styrene block copolymer(s) with 2-methyl-1,3-butadiene and 1,3-butadiene and

(ii) from about 300 to about 1,600 parts by weight of an plasticizing oil;

in combination with or without

(iii) a selected amount of one or more selected polymer or copolymer selected from the group consisting of poly(styrene-butadiene-styrene), poly(styrene-butadiene), poly(styrene-isoprene-styrene), poly(styrene-isoprene), poly(styrene-ethylene-propylene), poly(styrene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene-styrene), poly(styrene-ethylene-butylene), poly(styrene-ethylene-propylene)_n, poly(styrene-ethylene-butylene)_n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, or polyethylene, wherein said selected copolymer is a linear, radial, branched, star-shaped, or multiarm copolymer; and

n is an integer greater than one, wherein said gelatinous elastomer compositions characterized by a gel rigidity of from about 20 to about 800 gram Bloom;

wherein said composite formed from the combination G_nM_n, G_nM_nM_nG_n,G_nG_nM_nM_n,G_nM_nG_nM_nM_n,G_nM_nG_n,M_nG_nM_n, G_nG_nM_n,M_nM_nM_nG_n,M_nM_nM_nG_nM_n,M_nG_nG_nM_n,G_nM_nG_nG_n,G_nM_nM_nG_n,G_nG_nM_nM_n,G_nG_nM_nG_nM_n, G_nM_nG_nM_nM_n,M_nG_nM_nG_nM_nG_n,G_nG_nM_nM_nG_n,G_nG_nM_nG_nM_nG_n, a sequential addition or a permutation of one or more of said G_n with M_n;

wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, concrete, wood, glass, ceramics, synthetic resin, synthetic fibers or refractory materials; and

wherein when n is a subscript of G, n denotes the same or a different gel rigidity.

4. A composite article comprising a gelatinous elastomer composition, G, in contact with one or more of a selected substrate material, M, said gelatinous elastomer composition comprising:

(i) 100 parts by weight of one or a mixture of two or more of a hydrogenated styrene isoprene/butadiene block copolymer(s), wherein at least one of said block copolymer is a high viscosity copolymer having a viscosity value at 5 weight percent solution in toluene at 30°

C. of about 90 cps and higher which corresponds to a viscosity at 10 weight percent of about 5800 cps and higher which corresponds to a viscosity at 20 weight percent solids solution in toluene at 25°

C. of at about 80,000 cps and higher, and

(ii) from about 300 to about 1,600 parts by weight of an plasticizing oil, and in combination with or without

(ii) a selected amount of one or more polymers or copolymers of poly(styrene-butadiene-styrene), poly(styrene-butadiene), poly(styrene-isoprene-styrene), poly(styrene-isoprene), poly(styrene-ethylene-propylene), poly(styrene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene-styrene), poly(styrene-ethylene-butylene), poly(styrene-ethylene-propylene)_n, poly(styrene-ethylene-butylene)_n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, or polyethylene, wherein said selected copolymer is a linear, branched, radial, star-shaped, or multiarm copolymer; and

n is an integer greater than one;

wherein said composite formed from the combination G_nM_n,G_nM_nG_n,M_nG_nM_n,G_nG_nM_n,M_nM_nM_nG_n,M_nM_nM_nG_nM_n,M_nG_nG_nM_n,G_nM_nG_nG_n,G_nM_nM_nG_n,G_nG_nM_nM_n, G_nG_nM_nG_nM_n,G_nM_nG_nM_nM_n,M_nG_nM_nG_nM_nG_n,G_nG_nM_nM_nG_n,G_nG_nM_nG_nM_nG_n, a sequential addition or a permutation of one or more of said G_n with M_n, wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, concrete, wood, glass, ceramics, synthetic resin, synthetic fibers or refractory materials; and

wherein when n is a subscript of G, n denotes the same or a different gel rigidity.

9. A composite article comprising a gelatinous elastomer composition, G, in contact with one or more of a selected substrate material, M, said gelatinous elastomer composition comprising:

(i) 100 parts by weight of one or a mixture of two or more poly(styrene-ethylene-ethylene-propylene-styrene) block copolymers and a source of said block copolymers being Septon®

4033, Septon®

4045 and Septon®

4055, and

(ii) from about 300 to about 1,600 parts by weight of an plasticizing oil, and in combination with or without

(iii) a selected amount of one or more polymers or copolymers of poly(styrene-butadiene-styrene), poly(styrene-butadiene)_n, poly(styrene-isoprene-styrene)_n, poly(styrene-isoprene)_n, poly(styrene-ethylene-propylene), poly(styrene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene-styrene), poly(styreneethylene-butylene), poly(styrene-ethylene-propylene)_n, poly(styrenem thylene-butylene)_n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, or polyethylene, wherein said selected copolymer is a linear, radial, star-shaped, branched or multiarm copolymer, wherein n is greater than one;

wherein said composite formed from the combination G_nM_n,G_nM_nG_n,M_nG_nM_n,G_nG_nM_n,M_nM_nM_nG_n, M_nM_nM_nG_nM_n,M_nG_nG_nM_n,G_nM_nG_nG_n,G_nM_nM_nG_n,G_nG_nM_nM_n, G_nG_nM_nG_nM_n,G_nM_nG_nM_nM_n,M_nG_nM_nG_nM_nG_n,G_nG_nM_nM_nG_n,G_nG_nM_nG_nM_nG_n, a sequential addition or a permutation of one or more of said G_n with M_n;

wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, concrete, wood, glass, ceramics, synthetic resin, synthetic fibers or refractory materials; and

wherein when n is a subscript of G, n denotes the same or a different gel rigidity.

10. A composite article comprising a gelatinous elastomer composition, G, in contact with one or more of a selected substrate material, M, said gelatinous elastomer composition comprising:

p1 (i) 100 parts by weight of a block copolymer of one or a mixture of two or more poly(styrene-ethylene-ethylene-propylene-styrene block copolymers and a source of said block copolymers being Septon®

4033, Septon®

4045 and Septon®

4055, and

(ii) from about 300 to about 1,600 parts by weight of an plasticizing oil;

wherein said composite formed from the combination G_nM_n,G_nM_nG_n,M_nG_nM_n,M_nG_nG_n,M_nM_nM_nG_n,M_nM_nM_nG_nM_n,M_nG_nG_nM_n,G_nM_nG_nG_n,G_nM_nM_nG_n, G_nG_nM_nM_n,G_nG_nM_nG_nM_n,G_nM_nG_nM_nM_n,M_nG_nM_nG_nM_nG_n,G_nG_nM_nM_nG_n,G_nG_nM_nG_nM_nG_n, a sequential addition or a permutation of one or more of said G_n with M_n;

wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, concrete, wood, glass, ceramics, synthetic resin, synthetic fibers or refractory materials; and

wherein when n is a subscript of G, n denotes the same or a different gel rigidity.

8. A composite of claim 2, 3, or 10 wherein said thermoplastic, heat formable and heat reversible gelatinous elastomer composition is a dielectric encapsulant of an electrical, or an electronic component(s).

11. A composite article comprising a gelatinous elastomer composition, G, in contact with one or more of a selected substrate material, M, said gelatinous elastomer composition comprising:

(i) 100 parts by weight of one or a mixture of two or more poly(styrene-ethylene-ethylene-propylene-styrene) block copolymers and a source of said block copolymers being Septon®

4033 and Septon®

4055, and

(ii) from about 300 to about 1,600 parts by weight of an plasticizing oil, and in combination with or without

(iii) a selected amount of one or more polymers or copolymers of poly(styrene-butadiene-styrene), poly(styrene-butadiene)n, poly(styrene-isoprene-styrene)n, poly(styrene-isoprene)_n, poly(styreneethylenepropylene), poly(styrene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene-styrene), poly(styreneethylene-butylene), poly(styrene-ethylene-propylene)_n, poly(styrene-ethylene-butylene)_n, polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene), polypropylene, or polyethylene, wherein said selected copolymer is a linear, radial, star-shaped, branched or multiarm copolymer, wherein n is greater than one;

wherein said gelatinous elastomer composition characterized by a gel rigidity of from about 20 to about 800 gram Bloom;

wherein said composite formed from the combination G_nM_n, G_nM_nG_n,M_nG_nM_n,M_nG_nG_n,M_nM_nM_nG_n,M_nM_nM_nG_nM_n,M_nG_nG_nM_n,G_nM_nG_nG_n,G_nM_nM_nG_n,G_nG_nM_nM_n, G_nG_nM_nG_nM_n,G_nM_nG_nM_nM_n,M_nG_nM_nG_nM_nG_n,G_nG_nM_nM_nG_n,G_nG_nM_nG_nM_nG_n, a sequential addition or a permutation of one or more of said G_n with M_n;

wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, concrete, wood, glass, ceramics, synthetic resin, synthetic fibers or refractory materials; and

wherein when n is a subscript of G, n denotes the same or a different gel rigidity.