Gels, composites, and health care articles

• US 20040116591A1
• Filed: 04/21/2003
• Published: 06/17/2004
• 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 7,093,599 B2
• Time in Patent Office: Days
• US Class Current: 524/575
• CPC Class Codes: A61M 2005/3109 Caps sealing the needle bore by use of, e.g. air-hardening adhesive, elastomer or epoxy resin
• CPC Class Codes: C08L 101/005 Dendritic macromolecules
• CPC Class Codes: C08L 2205/06 having improved processability or containing aids for moulding methods
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 53/025 modified
• CPC Class Codes: Y10T 428/249991 Synthetic resin or natural rubbers
• CPC Class Codes: Y10T 428/2938 Coating on discrete and individual rods, strands or filaments
• CPC Class Codes: Y10T 428/298 Physical dimension

Abstract

Gel and gel composites health care articles, including masks, pads, blood bags, tubings, male and female tubing connectors, and needle protector sheath.

Claims

1. A gel article made from a 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(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, star-shaped, branched or multiarm copolymer, wherein n is greater than one;

said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.

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-ethylene-ethylene-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®

4077, 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)., poly(styrene-isoprene-styrene), poly(styrene-isoprene)_n, 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 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, 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; and

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

said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.

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_nG_n, M_nG_nM_n, G_nG_nM_n, M_n, M_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_nF_nM_nF_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, 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; and

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

said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.

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 S 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_n, G_n, G_nG_nM_n, M_n, G_nG_nM_nG_nM_n, G_nM_nG_nM_nM_n, M_nG_nM_n, G_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 Mn, wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric, metal, 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; and

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

said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.

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®

4045, Septon®

4055, Septon®

4077, and Septon®

4099, 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(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;

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, 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; and

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

said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.

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:

(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®

4044, Septon®

4045, Septon®

4055, Septon®

4077, and Septon®

4099, 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_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, 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; and

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

said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.

8. A composite of claim 2, 3, or 10 wherein said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.

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, Septon®

4044, Septon®

4045, Septon®

;

4055, Septon®

4077, and Septon®

4099, 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)., 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, 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_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, 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; and

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

said gel article being a masks, a pads, a blood bags, a tubing, a male and female tubing connectors, and a needle protector sheath formed by injection molding, extruding, spinning, casting, or dipping of said gel.