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US4153594A
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US
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Insulated glass and sealant therefore
Assignee: Individual
•
Filing: 1977-12-12
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Granted: 1979-05-08
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Expires: 1997-12-12
Abstract
Abstract A specially formulated plasticized cured polyurethane or cured polyether composition which has a combination of properties that make it suitable for use as a sealant for insulated glass, such properties including a very low moisture vapor transmission rate, elongation of at least about 100%, low volatility and excellent adhesion to glass.
Inventors
- 👤 Floyd Wilson, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:41
CPC Classifications
C; C08; C08L; C08L75/00; C08L75/04; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L71/00; C08L71/02; C08L91/00; C08L95/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31601
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
203 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 50 wt.% of a polyurethane formed from a hydroxyl-terminated diene polymer polyol or a water sensitive polyol or a mixture thereof; and (B) about 20 to about 50 wt.% of a plasticizing material, at least about 80 wt.% of the plasticizing material being one or more of the following: (i) a phthalate having a boiling point of no less than about 450° F. at 10 mm Hg; (ii) a polybutene having a molecular weight within the range of about 850 to about 2500 and having a weight loss of about 1% or less when subjected to ASTM D-972 for 10 hours at 210° F.; (iii) roofing asphalt having substantially no weight loss in 24 hours at 200° F. and having no volatiles at temperatures up to about 500° F.; (iv) an aromatic resin having substantially no weight loss in 24 hours at 200° F.; and (v) coal tar having substantially no weight loss in 24 hours at 200° F.
Claim 2
Dependent Claim
203 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 50 wt.% of a polyurethane formed from a hydroxyl-terminated diene polymer polyol or a water sensitive polyol or a mixture thereof; and (B) about 20 to about 50 wt.% of a plasticizing material, at least about 80 wt.% of the plasticizing material being one or more of the following: (i) a phthalate having a boiling point of no less than about 450° F. at 10 mm Hg; (ii) a polybutene having a molecular weight within the range of about 850 to about 2500 and having a weight loss of about 1% or less when subjected to ASTM D-972 for 10 hours at 210° F.; (iii) roofing asphalt having substantially no weight loss in 24 hours at 200° F. and having no volatiles at temperatures up to about 500° F.; (iv) an aromatic resin having substantially no weight loss in 24 hours at 200° F.; and (v) coal tar having substantially no weight loss in 24 hours at 200° F.
Claim 3
Dependent Claim
12 words
Insulated glass including the composition of claim 1 as a sealant therefor.
Claim 4
Dependent Claim
55 words
A composition according to claim 1 with about 1 to about 20 wt. % of said plasticizing material being one or more of the following: (A) an aromatic oil having substantially no weight loss in 24 hours at 200° F.; and (B) a chlorinated paraffin having a chlorine content of at least about 40-70 wt.%.
Claim 5
Dependent Claim
12 words
Insulated glass including the composition of claim 3 as a sealant therefor.
Claim 6
Dependent Claim
67 words
A composition according to claim 1 including: (A) about 5 to about 40 wt.% of filler; (B) about 0.25 to about 10 wt.% of carbon black; (C) up to about 6 wt.% of a thixotropic agent; (D) about 0.25 to about 3 wt.% of a glass adhesion promoter; and (E) about 0.25 to about 3% by weight based on the weight of said polyurethane of an anti-oxidant.
Claim 7
Dependent Claim
45 words
A composition according to claim 1 wherein said polyurethane is the one shot reaction product of the polyol and toluene diisocyanate or methylene bis- (4-phenyl isocyanate) or a mixture thereof in an amount ranging from about 80 to about 200 wt.% of the stoichiometric amount.
Claim 8
Dependent Claim
54 words
A composition according to claim 1 wherein said polyurethane is the reaction product of a curing agent and a prepolymer formed by reacting a molar excess of a polyisocyanate with the polyol of claim 1 and wherein the amount of the curing agent is about 50 to about 150 wt.% of the stoichiometric amount.
Claim 9
Dependent Claim
14 words
A composition according to claim 7 wherein said prepolymer is formed from toluene diisocyanate.
Claim 10
Dependent Claim
13 words
A composition according to claim 1 wherein said polymer polyol is a polybutadiene.
Claim 11
Dependent Claim
13 words
A composition according to claim 7 wherein said polymer polyol is a polybutadiene.
Claim 12
Dependent Claim
12 words
Insulated glass including the composition of claim 9 as a sealant therefor.
Claim 13
Dependent Claim
12 words
Insulated glass including the composition of claim 10 as a sealant therefor.
Claim 14
Dependent Claim
68 words
A composition according to claim 3 wherein said polyurethane is the reaction product of a curing agent and a prepolymer formed by reacting a molar excess of a polyisocyanate with the polyol of claim 1 and wherein the amount of said curing agent is about 50 to about 150 wt.% of the stoichiometric amount, and wherein said prepolymer is formed by reacting toluene diisocyanate and a hydroxyl-terminated polybutadiene.
Claim 15
Dependent Claim
12 words
Insulated glass including the composition of claim 13 as a sealant therefor.
Claim 16
Dependent Claim
166 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 30 wt.% of a polyurethane mixture which includes about 70 to about 80 wt.% of a polyurethane formed from a hydroxyl-terminated diene polymer polyol and about 20 to about 30 wt.% of a polyurethane formed from a water-sensitive polyol, the proportion of said polyurethanes being based on the total weight of said mixture; (B) about 30 to about 45 wt.% of a plasticizing material, at least 50 wt.% of the plasticizing material being diisodecyl phthalate or ditridecyl phthalate or a mixture thereof; (C) about 15 to about 30 wt.% of calcium carbonate or silicate filler or mixture thereof; (D) about 1.5 to about 3 wt.% of silane glass adhesion promoter; and (E) about 4 to about 6 wt.% of a thixotropic agent.
Claim 17
Dependent Claim
166 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 30 wt.% of a polyurethane mixture which includes about 70 to about 80 wt.% of a polyurethane formed from a hydroxyl-terminated diene polymer polyol and about 20 to about 30 wt.% of a polyurethane formed from a water-sensitive polyol, the proportion of said polyurethanes being based on the total weight of said mixture; (B) about 30 to about 45 wt.% of a plasticizing material, at least 50 wt.% of the plasticizing material being diisodecyl phthalate or ditridecyl phthalate or a mixture thereof; (C) about 15 to about 30 wt.% of calcium carbonate or silicate filler or mixture thereof; (D) about 1.5 to about 3 wt.% of silane glass adhesion promoter; and (E) about 4 to about 6 wt.% of a thixotropic agent.
Claim 18
Dependent Claim
54 words
A composition according to claim 15 wherein about 1 to about 50 wt.% of the plasticizing material is a polybutene having a molecular weight within the range of about 850 to about 2500 and having a weight loss of about 1% or less when subjected to ASTM D-972 for 10 hours at 210° F.
Claim 19
Dependent Claim
32 words
A composition according to claim 16 wherein each of said polyurethanes is the reaction product of a curing agent and a prepolymer formed by reacting toluene diisocyanate with each of said polyols.
Claim 20
Dependent Claim
12 words
Insulated glass including the composition of claim 15 as a sealant therefor.
Claim 21
Dependent Claim
12 words
Insulated glass including the composition of claim 17 as a sealant therefor.
Claim 22
Dependent Claim
188 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 50 wt.% of a cured polyether and (B) about 20 to about 50 wt.% of a plasticizing material, at least about 80 wt.% of the plasticizing material being one or more of the following: (i) a phthalate having a boiling point of no less than about 450° F. at 10 mm Hg; (ii) a polybutene having a molecular weight within the range of about 850 to about 2500 and having a weight loss of about 1% or less when subjected to ASTM D-972 for 10 hours at 210° F.; (iii) roofing asphalt having substantially no weight loss in 24 hours at 200° F. and having no volatiles at temperatures up to about 500° F.; (iv) an aromatic resin having substantially no weight loss in 24 hours at 200° F.; and (v) coal tar having substantially no weight loss in 24 hours at 200° F.
Claim 23
Dependent Claim
188 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 50 wt.% of a cured polyether and (B) about 20 to about 50 wt.% of a plasticizing material, at least about 80 wt.% of the plasticizing material being one or more of the following: (i) a phthalate having a boiling point of no less than about 450° F. at 10 mm Hg; (ii) a polybutene having a molecular weight within the range of about 850 to about 2500 and having a weight loss of about 1% or less when subjected to ASTM D-972 for 10 hours at 210° F.; (iii) roofing asphalt having substantially no weight loss in 24 hours at 200° F. and having no volatiles at temperatures up to about 500° F.; (iv) an aromatic resin having substantially no weight loss in 24 hours at 200° F.; and (v) coal tar having substantially no weight loss in 24 hours at 200° F.
Claim 24
Dependent Claim
12 words
Insulated glass including the composition of claim 20 as a sealant therefor.
Claim 25
Dependent Claim
54 words
A composition according to claim 20 with about 1 to about 20 wt.% of said plasticizing material being one or more of the following: (A) an aromatic oil having substantially no weight loss in 24 hours at 200° F.; and (B) a chlorinated paraffin having a chlorine content of at least about 40-70 wt.%.
Claim 26
Dependent Claim
12 words
Insulated glass including the composition of claim 22 as a sealant therefor.
Claim 27
Dependent Claim
119 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 30 wt.% of a cured polyether; (B) about 30 to about 45 wt.% of a plasticizing material, at least 50 wt.% of the plasticizing material being diisodecyl phthalate or ditridecyl phthalate or a mixture thereof; (C) about 15 to about 30 wt.% of calcium carbonate or silicate filler or mixture thereof; (D) about 1.5 to about 3 wt.% of silane glass adhesion promoter; and (E) about 4 to about 6 wt.% of a thixotropic agent.
Claim 28
Dependent Claim
119 words
A plasticized cured composition for use as a sealant for insulated glass having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of: (A) about 20 to about 30 wt.% of a cured polyether; (B) about 30 to about 45 wt.% of a plasticizing material, at least 50 wt.% of the plasticizing material being diisodecyl phthalate or ditridecyl phthalate or a mixture thereof; (C) about 15 to about 30 wt.% of calcium carbonate or silicate filler or mixture thereof; (D) about 1.5 to about 3 wt.% of silane glass adhesion promoter; and (E) about 4 to about 6 wt.% of a thixotropic agent.
Claim 29
Dependent Claim
54 words
A composition according to claim 24 wherein about 1 to about 50 wt.% of the plasticizing material is a polybutene having a molecular weight within the range of about 850 to about 2500 and having a weight loss of about 1% or less when subjected to ASTM D-972 for 10 hours at 210° F.
Claim 30
Dependent Claim
12 words
Insulated glass including the composition of claim 24 as a sealant therefor.
Claim 31
Dependent Claim
12 words
Insulated glass including the composition of claim 25 as a sealant therefor.
Claim 32
Dependent Claim
146 words
A composition for use as an insulated glass sealant and having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of about 20 to about 50 wt.% of a cured polyurethane and about 20 to about 60 wt.% of a plasticizing material, the water absorption properties of the plasticizing material, as determined by ASTM D570, being less than about 0.1 wt.%; and the volatility properties of the plasticizing material being such that the product of (i) the vapor pressure of the plasticizing material in mm of Hg at 480° F. and (ii) the concentration of the plasticizing material in the composition in wt.% is not greater than about 1200, and wherein said polyurethane is formed from a hydroxyl-terminated diene polymer polyol or a water sensitive polyol or a mixture thereof.
Claim 33
Dependent Claim
146 words
A composition for use as an insulated glass sealant and having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of about 20 to about 50 wt.% of a cured polyurethane and about 20 to about 60 wt.% of a plasticizing material, the water absorption properties of the plasticizing material, as determined by ASTM D570, being less than about 0.1 wt.%; and the volatility properties of the plasticizing material being such that the product of (i) the vapor pressure of the plasticizing material in mm of Hg at 480° F. and (ii) the concentration of the plasticizing material in the composition in wt.% is not greater than about 1200, and wherein said polyurethane is formed from a hydroxyl-terminated diene polymer polyol or a water sensitive polyol or a mixture thereof.
Claim 34
Dependent Claim
30 words
A composition according to claim 28 wherein said polymer polyol is a polybutadiene and including a polyurethane formed from said polybutadiene and a polyurethane formed from said water sensitive polyol.
Claim 35
Dependent Claim
12 words
Insulated glass including the composition of claim 28 as a sealant therefor.
Claim 36
Dependent Claim
12 words
Insulated glass including the composition of claim 29 as a sealant therefor.
Claim 37
Dependent Claim
125 words
A composition for use as an insulated glass sealant and having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of about 20 to about 50 wt.% of a cured polyether and about 20 to about 60 wt.% of a plasticizing material, the water absorption properties of the plasticizing material, as determined by ASTM D570, being less than about 0.1 wt.%; and the volatility properties of the plasticizing material being such that the product of (i) the vapor pressure of the plasticizing material in mm of Hg at 480° F. and (ii) the concentration of the plasticizing material in the composition in wt.% is not greater than about 1200.
Claim 38
Dependent Claim
125 words
A composition for use as an insulated glass sealant and having a moisture vapor transmission rating of no greater than about 1 g/day, an elongation of at least about 100% and low volatility and consisting essentially of about 20 to about 50 wt.% of a cured polyether and about 20 to about 60 wt.% of a plasticizing material, the water absorption properties of the plasticizing material, as determined by ASTM D570, being less than about 0.1 wt.%; and the volatility properties of the plasticizing material being such that the product of (i) the vapor pressure of the plasticizing material in mm of Hg at 480° F. and (ii) the concentration of the plasticizing material in the composition in wt.% is not greater than about 1200.
Claim 39
Dependent Claim
12 words
Insulated glass including the composition of claim 32 as a sealant therefor.
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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) | 1982-05-07 | 1982-11-06 | 1983-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-07 | 1986-11-06 | 1987-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-07 | 1990-11-06 | 1991-05-08 | $7700.00 | Window Closed / Lapsed |