Patent CH65491A successfully refreshed from Google Patents.
Patent US4713299A successfully refreshed from Google Patents.
US4713299A
Expired / Lapsed
US
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Modified melamine resin for use in decorative laminates
Assignee: Diller Corp
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Filing: 1986-03-03
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Granted: 1987-12-15
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Expires: 2006-03-03
Abstract
Abstract Melamine resins modified with a mixture of a polyalkylene glycol and an alkylated methylolmelamine, paper sheets impregnated therewith, decorative laminates prepared from said sheets and a method of producing said laminates are disclosed.
Inventors
- 👤 Arthur R. Taylor
- 👤 Dudley Wulfekotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:44
CPC Classifications
B; B32; B32B; B32B29/00; B32B29/06; B32B27/00; B32B27/04; B32B29/002; B32B29/005; B32B29/02; B32B7/00; B32B7/04; B32B7/12; C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/30; C08G12/32; C08L; C08L61/00; C08L61/20; C08L61/26; C08L61/28; D; D21; D21H; D21H27/00; D21H27/18; D21H27/22; D21H27/26; D21H27/28; B32B2260/00; B32B2260/02; B32B2260/028; B32B2260/04; B32B2260/046; B32B2317/00; B32B2317/12; B32B2317/122; B32B2317/125; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31946; Y10T428/31949; Y10T428/31964; Y10T428/31967; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
253 words
A cellulosic paper sheet impregnated with from about 15% to about 80%, by weight, based on the weight of the paper sheet, of a composition comprising a blend of (1) from about 35% to about 98%, by weight, based on the total solids of the composition, of a melamine/formaldehyde resin having a ratio of formaldehyde to melamine of from about 1.1:1 to about 3:1, respectively, and (2) from about 2% to about 65%, by weight, based on the total solids of the composition, of a mixture of (A) a polyalkylene glycol having the formula H(OC.sub.x H.sub.2x).sub.n OH wherein x is an integer of 2-4, inclusive, and n is an integer such that the glycol has a weight average molecular weight of from about 200 to about 1200 and, (B) an alkylated methylolmelamine having the formula ##STR2## wherein each X is, individually, hydrogen or CH 2 OR, R is hydrogen or an alkyl group of 1-4 carbon atoms, inclusive, at least 2 X's are CH 2 OR, and at least one R is an alkyl group, the ratio of A:B ranging from about 2.5:1 to about 0.3:1, respectively, (C) from about 0% to about 3%, by weight, based on the total solids of the composition, of an acid catalyst, (D) from about 0% to about 0.5%, by weight, same basis, of a surfactant, (E) from about 0% to about 2.0%, by weight, same basis, of an abrasive material and (F) from about 0% to about 4.0%, by weight, same basis, of a flow promotor.
Claim 2
Dependent Claim
253 words
A cellulosic paper sheet impregnated with from about 15% to about 80%, by weight, based on the weight of the paper sheet, of a composition comprising a blend of (1) from about 35% to about 98%, by weight, based on the total solids of the composition, of a melamine/formaldehyde resin having a ratio of formaldehyde to melamine of from about 1.1:1 to about 3:1, respectively, and (2) from about 2% to about 65%, by weight, based on the total solids of the composition, of a mixture of (A) a polyalkylene glycol having the formula H(OC.sub.x H.sub.2x).sub.n OH wherein x is an integer of 2-4, inclusive, and n is an integer such that the glycol has a weight average molecular weight of from about 200 to about 1200 and, (B) an alkylated methylolmelamine having the formula ##STR2## wherein each X is, individually, hydrogen or CH 2 OR, R is hydrogen or an alkyl group of 1-4 carbon atoms, inclusive, at least 2 X's are CH 2 OR, and at least one R is an alkyl group, the ratio of A:B ranging from about 2.5:1 to about 0.3:1, respectively, (C) from about 0% to about 3%, by weight, based on the total solids of the composition, of an acid catalyst, (D) from about 0% to about 0.5%, by weight, same basis, of a surfactant, (E) from about 0% to about 2.0%, by weight, same basis, of an abrasive material and (F) from about 0% to about 4.0%, by weight, same basis, of a flow promotor.
Claim 3
Dependent Claim
13 words
An impregnated cellulosic paper sheet according to claim 1 wherein x is 2.
Claim 4
Dependent Claim
26 words
An impregnated cellulosic sheet according to claim 1 wherein n is an integer such that the glycol has a weight average molecular weight of about 600.
Claim 5
Dependent Claim
15 words
An impregnated cellulosic sheet according to claim 1 wherein (B) is a partially methylated trimethylolamine.
Claim 6
Dependent Claim
286 words
A heat and pressure consolidated laminate comprising (I) a cellulosic substrate; (II) a cellulosic decor sheet, and, optionally (III) a cellulosic overlay sheet wherein at least one of (II) and (III) is a cellulosic paper sheet impregnated with from about 15% to about 80%, by weight, based on the weight of the paper sheet, of a composition comprising a blend of (1) from about 35% to about 98%, by weight, based on the total solids of the composition, of a melamine/formaldehyde resin having a ratio of formaldehyde to melamine of from about 1.1:1 to about 3:1, respectively, and (2) from about 2% to about 65%, by weight, based on the total solids of the composition, of a mixture of (A) a polyalkylene glycol having the formula H(OC.sub.x H.sub.2x).sub.n OH wherein x is an integer of 2-4, inclusive, and n is an integer such that the glycol has a weight average molecular weight of from about 200 to about 1200 and, (B) an alkylated methylolmelamine having having the formula ##STR3## wherein each X is, individually, hydrogen or CH 2 OR, R is hydrogen or an alkyl group of 1-4 carbon atoms, inclusive, at least 2 X's are CH 2 OR, and at least one R is an alkyl group, the ratio of A:B ranging from about 2.5:1 to about 0.3:1, respectively, (C) from about 0% to about 3%, by weight, based on the total solids of the composition, of an acid catalyst, (D) from about 0% to about 0.5%, by weight, same basis, of a surfactant, (E) from about 0% to about 2.0%, by weight, same basis, of an abrasive material and (F) from about 0% to about 4.0%, by weight, same basis, of a flow promotor.
Claim 7
Dependent Claim
286 words
A heat and pressure consolidated laminate comprising (I) a cellulosic substrate; (II) a cellulosic decor sheet, and, optionally (III) a cellulosic overlay sheet wherein at least one of (II) and (III) is a cellulosic paper sheet impregnated with from about 15% to about 80%, by weight, based on the weight of the paper sheet, of a composition comprising a blend of (1) from about 35% to about 98%, by weight, based on the total solids of the composition, of a melamine/formaldehyde resin having a ratio of formaldehyde to melamine of from about 1.1:1 to about 3:1, respectively, and (2) from about 2% to about 65%, by weight, based on the total solids of the composition, of a mixture of (A) a polyalkylene glycol having the formula H(OC.sub.x H.sub.2x).sub.n OH wherein x is an integer of 2-4, inclusive, and n is an integer such that the glycol has a weight average molecular weight of from about 200 to about 1200 and, (B) an alkylated methylolmelamine having having the formula ##STR3## wherein each X is, individually, hydrogen or CH 2 OR, R is hydrogen or an alkyl group of 1-4 carbon atoms, inclusive, at least 2 X's are CH 2 OR, and at least one R is an alkyl group, the ratio of A:B ranging from about 2.5:1 to about 0.3:1, respectively, (C) from about 0% to about 3%, by weight, based on the total solids of the composition, of an acid catalyst, (D) from about 0% to about 0.5%, by weight, same basis, of a surfactant, (E) from about 0% to about 2.0%, by weight, same basis, of an abrasive material and (F) from about 0% to about 4.0%, by weight, same basis, of a flow promotor.
Claim 8
Dependent Claim
17 words
A laminate according to claim 5 wherein (I) comprises a plurality of resin impregnated kraft paper sheets.
Claim 9
Dependent Claim
15 words
A laminate according to claim 5 wherein (II) is an impregnated sheet as described therein.
Claim 10
Dependent Claim
13 words
A laminate according to claim 5 wherein (I) is an airlaid fibrous web.
Claim 11
Dependent Claim
16 words
A laminate according to claim 5 wherein (III) is an impregnated overlay sheet as described therein.
Claim 12
Dependent Claim
26 words
A laminate according to claim 5 wherein (I) is a plurality of kraft paper sheets impregnated with a blend of phenol resin and a melamine/formaldehyde resin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-12-14 | 1991-06-15 | 1991-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-14 | 1995-06-15 | 1995-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-14 | 1999-06-15 | 1999-12-15 | $7700.00 | Window Closed / Lapsed |