US5384345A
Expired / Lapsed
US
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Compositions containing hollow microspheres
Assignee: Oatey Co
•
Filing: 1993-07-20
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Granted: 1995-01-24
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Expires: 2013-07-20
Abstract
Abstract A composition is described with comprises a mixture of (A) from about 5% to about 60% by weight of at least one water-insoluble polymer; (B) from about 1% to about 30% by weight of inorganic or synthetic resinous hollow microspheres; and (C) from about 20% to about 85% of at least one volatile organic liquid which is a solvent for the polymer of (A). The compositions also may contain (D) at least one solid particulate inorganic filler. Adhesive compositions such as solvent cements prepared in accordance with the present invention are characterized as low VOC compositions wherein the VOC is, for example, less than 500 or even less than 400 grams per liter.
Inventors
- 👤 Paul E. Naton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:09
CPC Classifications
C; C08; C08L; C08L101/00; C08J; C08J5/00; C08J5/12; C08J5/124; C08J5/125; C09; C09J; C09J127/00; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
92 words
A composition comprising a mixture of (A) from about 5% to about 60% by weight of at least one water-insoluble polymer selected from acrylonitrile-butadiene-styrene polymer, polyvinyl chloride, chlorinated polyvinyl chloride or mixtures thereof; (B) from about 1% to about 30% by weight of glass or synthetic resinous hollow microspheres; (C) from about 10% to about 85% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A); and (D) from about 0.1% to about 5% by weight of at least one solid particulate inorganic filler.
Claim 2
Dependent Claim
92 words
A composition comprising a mixture of (A) from about 5% to about 60% by weight of at least one water-insoluble polymer selected from acrylonitrile-butadiene-styrene polymer, polyvinyl chloride, chlorinated polyvinyl chloride or mixtures thereof; (B) from about 1% to about 30% by weight of glass or synthetic resinous hollow microspheres; (C) from about 10% to about 85% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A); and (D) from about 0.1% to about 5% by weight of at least one solid particulate inorganic filler.
Claim 3
Dependent Claim
14 words
The composition of claim 1 wherein the hollow microspheres (B) are hollow glass microspheres.
Claim 4
Dependent Claim
23 words
The composition of claim 1 wherein the solvent (C) comprises methyl ethyl ketone, acetone, tetrahydrofuran, cyclohexanone or mixtures of two or more thereof.
Claim 5
Dependent Claim
26 words
The composition of claim 1 wherein the polymer is an acrylonitrile-butadiene styrene polymer and the solvent (C) comprises acetone, methyl ethyl ketone, or a mixture thereof.
Claim 6
Dependent Claim
23 words
The composition of claim 1 wherein the polymer is a polyvinyl chloride or chlorinated polyvinyl chloride polymer and the solvent (C) comprises tetrahydrofuran.
Claim 7
Dependent Claim
11 words
The composition of claim 1 wherein the filler is fumed silica.
Claim 8
Dependent Claim
64 words
An adhesive composition comprising a mixture of (A) from about 5% to about 60% by weight of at least one acrylonitrile-butadiene-styrene polymer; (B) from about 1% to about 30% by weight of glass or synthetic resinous hollow microspheres; and (C) from about 10% to about 85% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A).
Claim 9
Dependent Claim
64 words
An adhesive composition comprising a mixture of (A) from about 5% to about 60% by weight of at least one acrylonitrile-butadiene-styrene polymer; (B) from about 1% to about 30% by weight of glass or synthetic resinous hollow microspheres; and (C) from about 10% to about 85% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A).
Claim 10
Dependent Claim
15 words
The adhesive composition of claim 7 wherein the hollow microspheres (B) are hollow glass microspheres.
Claim 11
Dependent Claim
14 words
The adhesive composition of claim 7 wherein the hollow microspheres (B) comprise soda-lime-borosilicate glass.
Claim 12
Dependent Claim
20 words
The adhesive composition of claim 7 containing from about 3% to about 10% by weight of the hollow microspheres (B).
Claim 13
Dependent Claim
34 words
The adhesive composition of claim 7 wherein the hollow microspheres (B) have an average particle density of from about 0.1 to about 0.6 g/cc and a mean diameter of less than about 150 microns.
Claim 14
Dependent Claim
22 words
The adhesive composition of claim 7 wherein the volatile organic liquid (C) is methyl ethyl ketone, acetone, tetrahydrofuran, cyclohexanone or mixtures thereof.
Claim 15
Dependent Claim
23 words
The adhesive composition of claim 7 also containing 0.1% up to about 4% by weight of at least one solid particulate inorganic filler.
Claim 16
Dependent Claim
12 words
The adhesive composition of claim 13 wherein the filler is fumed silica.
Claim 17
Dependent Claim
62 words
An adhesive composition comprising a mixture of (A) from about 10% to about 60% by weight of at least one acrylonitrile-butadiene-styrene polymer; (B) from about 1% to about 20% by weight of inorganic or synthetic resinous hollow microspheres; and (C) from about 20% to about 85% of at least one volatile organic liquid which is a solvent for the polymer of (A).
Claim 18
Dependent Claim
62 words
An adhesive composition comprising a mixture of (A) from about 10% to about 60% by weight of at least one acrylonitrile-butadiene-styrene polymer; (B) from about 1% to about 20% by weight of inorganic or synthetic resinous hollow microspheres; and (C) from about 20% to about 85% of at least one volatile organic liquid which is a solvent for the polymer of (A).
Claim 19
Dependent Claim
34 words
The adhesive composition of claim 15 wherein the hollow microspheres (B) have an average particle density of from about 0.1 to about 0.6 g/cc and a mean diameter of less than about 150 microns.
Claim 20
Dependent Claim
20 words
The adhesive composition of claim 15 wherein the solvent (C) is methyl ethyl ketone, acetone, tetrahydrofuran, cyclohexanone, or mixtures thereof.
Claim 21
Dependent Claim
16 words
The adhesive composition of claim 15 also containing (D) at least one solid particulate inorganic filler.
Claim 22
Dependent Claim
12 words
The adhesive composition of claim 18 wherein the filler is fumed silica.
Claim 23
Dependent Claim
107 words
An adhesive composition for forming a bond or weld between two acrylonitrile-butadiene-styrene polymer or polyvinyl chloride surfaces comprising a mixture of (A) from about 30% to about 50% by weight of an acrylonitrile-butadiene-styrene resin; (B) from about 3% to about 10% by weight of hollow glass microspheres having an average particle density of from about 0.1 to about 0.4 g/cc; (C) from about 50% to about 60% by weight of acetone or methyl ethyl ketone or mixtures thereof; and (D) from about 0.75% to about 1.5% by weight of at least one solid particulate inorganic filler having an average particle size of less than about 50 microns.
Claim 24
Dependent Claim
107 words
An adhesive composition for forming a bond or weld between two acrylonitrile-butadiene-styrene polymer or polyvinyl chloride surfaces comprising a mixture of (A) from about 30% to about 50% by weight of an acrylonitrile-butadiene-styrene resin; (B) from about 3% to about 10% by weight of hollow glass microspheres having an average particle density of from about 0.1 to about 0.4 g/cc; (C) from about 50% to about 60% by weight of acetone or methyl ethyl ketone or mixtures thereof; and (D) from about 0.75% to about 1.5% by weight of at least one solid particulate inorganic filler having an average particle size of less than about 50 microns.
Claim 25
Dependent Claim
18 words
The adhesive composition of claim 20 wherein the composition has a VOC is less than about 500 gms/liter.
Claim 26
Dependent Claim
10 words
The adhesive composition of claim 20 wherein (C) is acetone.
Claim 27
Independent Claim
126 words
A method of adhesively bonding or welding a first plastic surface to a second plastic surface which comprises the steps of (I) applying a composition comprising a mixture of (A) from about 5% to about 60% by weight of at least one water-insoluble polymer; (B) from about 1% to about 30% by weight of glass or synthetic resinous hollow microspheres; and (C) from about 10% to about 85% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A) to the first surface or the second surface, or both surfaces; (II) contacting the first surface with the second surface; and (III) allowing the adhesive composition to form a bond or weld between the first surface and the second surface.
Claim 28
Independent Claim
126 words
A method of adhesively bonding or welding a first plastic surface to a second plastic surface which comprises the steps of (I) applying a composition comprising a mixture of (A) from about 5% to about 60% by weight of at least one water-insoluble polymer; (B) from about 1% to about 30% by weight of glass or synthetic resinous hollow microspheres; and (C) from about 10% to about 85% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A) to the first surface or the second surface, or both surfaces; (II) contacting the first surface with the second surface; and (III) allowing the adhesive composition to form a bond or weld between the first surface and the second surface.
Claim 29
Dependent Claim
31 words
The method of claim 23 wherein the composition applied in step (I) also contains (D) from about 0.1 to about 5% by weight of at least one solid particulate inorganic filler.
Claim 30
Dependent Claim
26 words
The method of claim 23 wherein the polymer (A) in the composition applied in step (I) comprises acrylonitrile-butadiene-styrene, polyvinyl chloride, chlorinated polyvinyl chloride or mixtures thereof.
Claim 31
Independent Claim
138 words
A method of adhesively bonding or welding a first plastic surface to a second plastic surface which comprises the steps of (I) applying a composition comprising a mixture of (A) from about 10% to about 60% by weight of at least one water-insoluble polymer selected from acrylonitrile-butadiene-styrene polymer, polyvinyl chloride, chlorinated polyvinyl chloride or mixtures thereof; (B) from about 1% to about 20% by weight of glass or synthetic resinous hollow microspheres; and (C) from about 20% to about 70% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A) to the first surface or the second surface, or both surfaces; (II) contacting the first surface with the second surface; and (III) allowing the adhesive composition to form a bond or weld between the first surface and the second surface.
Claim 32
Independent Claim
138 words
A method of adhesively bonding or welding a first plastic surface to a second plastic surface which comprises the steps of (I) applying a composition comprising a mixture of (A) from about 10% to about 60% by weight of at least one water-insoluble polymer selected from acrylonitrile-butadiene-styrene polymer, polyvinyl chloride, chlorinated polyvinyl chloride or mixtures thereof; (B) from about 1% to about 20% by weight of glass or synthetic resinous hollow microspheres; and (C) from about 20% to about 70% by weight of at least one volatile organic liquid which is a solvent for the polymer of (A) to the first surface or the second surface, or both surfaces; (II) contacting the first surface with the second surface; and (III) allowing the adhesive composition to form a bond or weld between the first surface and the second surface.
Claim 33
Dependent Claim
42 words
The method of claim 26 wherein the first surface is the inner surface of a plastic fitting, and the second surface is the outer surface of a plastic pipe wherein the plastic is a polyvinyl chlorinated, chlorinated polyvinyl chloride or acrylonitrile-butadiene-styrene polymer.
Claim 34
Dependent Claim
18 words
The method of claim 26 wherein the composition also contains (D) at least one solid particulate inorganic filler.
Claim 35
Dependent Claim
11 words
The method of claim 28 wherein the filler is fumed silica.
Claim 36
Dependent Claim
27 words
The method of claim 26 wherein the polymer is an acrylonitrile-butadiene-styrene resin, and at least one of the plastic surfaces is a polyvinylchloride or acrylonitrile-butadiene-styrene plastic surface.
Claim 37
Dependent Claim
21 words
The method of claim 26 wherein the polymer (A) is acrylonitrile-butadiene-styrene, and the volatile organic liquid (C) is acetone or cyclohexanone.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-01-23 | 1998-07-25 | 1999-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-01-23 | 2002-07-25 | 2003-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-01-23 | 2006-07-25 | 2007-01-24 | $7700.00 | Window Closed / Lapsed |