US4225650A
Expired / Lapsed
US
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Crosslinkable polymer powder and laminate
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1975-10-22
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Granted: 1980-09-30
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Expires: 1995-10-22
Abstract
Abstract A fusable powder composition comprising a cross-linkable organic polymeric material of less than 75 micron size, an organic peroxide, and preferably for some polymers an organosilicon compound for forming polymeric coatings on substrates such as glass or metal.
Inventors
- 👤 Robert A. Van Brederode
- 👤 Robert A. Steinkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:47
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08; C08J; C08J3/00; C08J3/24; C08K; C08K5/00; C08K5/04; C08K5/14; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09D151/00; C09D151/06; C09D5/00; C09D5/03; C09D5/033; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2995; Y10T428/2998; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
59 words
A crosslinkable powder comprising a major amount of porous polymeric particles of an organic, thermoplastic polymer said polymer particles being less than 100 microns in size and having a decomposition point higher than 100° C., having sorbed into each of the porous polymer particles a minor amount of an organic peroxide and a minor amount of an organosilicon compound.
Claim 2
Dependent Claim
59 words
A crosslinkable powder comprising a major amount of porous polymeric particles of an organic, thermoplastic polymer said polymer particles being less than 100 microns in size and having a decomposition point higher than 100° C., having sorbed into each of the porous polymer particles a minor amount of an organic peroxide and a minor amount of an organosilicon compound.
Claim 3
Dependent Claim
21 words
The crosslinkable powder according to claim 1 wherein said organosilicon compound contains a vinyl, amine, methacrylate, epoxy or chloropropyl terminal group.
Claim 4
Dependent Claim
29 words
The crosslinkable powder according to claim 1 containing 99.9 to 96.0 weight % polymeric material, 0.05 to 2.0 weight % organic peroxide and 0.05 to 2.0 weight % organosilicon.
Claim 5
Dependent Claim
19 words
The crosslinkable powder according to claim 3 wherein said polymer powder is less than 74 microns in particle size.
Claim 6
Dependent Claim
22 words
The crosslinkable powder according to claim 1 wherein said polymeric material comprises a polyolefin modified with an unsaturated organic acid grafted thereon.
Claim 7
Dependent Claim
20 words
The crosslinkable powder according to claim 1 wherein said polymeric material comprises a polyolefin modified with glycidyl acrylate grafted thereon.
Claim 8
Dependent Claim
20 words
The crosslinkable powder according to claim 5 wherein said polyolefin is ethylene-vinyl acetate copolymer modified with acrylic acid grafted thereon.
Claim 9
Dependent Claim
28 words
The crosslinkable powder according to claim 1 wherein said polyolefin is a random copolymer of ethylene and unsaturated organic acid or a neutralized or partially neutralized random copolymer.
Claim 10
Dependent Claim
18 words
The crosslinkable powder according to claim 5 wherein said polyolefin is polyethylene modified with acrylic acid grafted thereon.
Claim 11
Dependent Claim
17 words
The crosslinkable powder according to claim 1 wherein said peroxide is 2, 5-dimethyl -2, 5-di(t-butyl peroxy) hexane.
Claim 12
Dependent Claim
27 words
The crosslinkable powder according to claim 2 containing 96 to 99.9 weight percent of a plyolefin which is ethylene-vinyl acetate copolymer modified with acrylic acid grafted thereon.
Claim 13
Dependent Claim
16 words
The crosslinkable powder according to claim 1 wherein said polymeric material comprises a polymer of ethylene.
Claim 14
Dependent Claim
15 words
The crosslinkable powder according to claim 1 wherein said polymeric material comprises ethylenevinyl acetate copolymer.
Claim 15
Dependent Claim
15 words
The crosslinkable powder according to claim 12 wherein said organosilicon has a terminal vinyl group.
Claim 16
Dependent Claim
15 words
The crosslinkable powder according to claim 13 wherein said organosilicon has a terminal vinyl group.
Claim 17
Dependent Claim
52 words
A crosslinkable powder comprising a major amount of porous polymeric particles of an organic thermoplastic polymer said polymer particles being less than 100 microns in size and having a decomposition point higher than 100° C. and having sorbed into each of the porous polymer particles a minor amount of an organic peroxide.
Claim 18
Dependent Claim
52 words
A crosslinkable powder comprising a major amount of porous polymeric particles of an organic thermoplastic polymer said polymer particles being less than 100 microns in size and having a decomposition point higher than 100° C. and having sorbed into each of the porous polymer particles a minor amount of an organic peroxide.
Claim 19
Dependent Claim
14 words
The crosslinkable powder according to claim 16 wherein said polymeric material comprises a polyolefin.
Claim 20
Dependent Claim
25 words
The crosslinkable powder according to claim 6 wherein said polymeric material comprises a polyolefin modified with an unsaturated organic acid or glycidyl acrylate grafted thereon.
Claim 21
Dependent Claim
22 words
The crosslinkable powder according to claim 16 wherein said polymeric material comprises a random copolymer of unsaturated organic acid and polymerizable olefins.
Claim 22
Dependent Claim
13 words
The crosslinkable powder according to claim 19 wherein said polymer is partially neutralized.
Claim 23
Dependent Claim
18 words
The crosslinkable powder according to claim 16 wherein said polyolefin is polyethylene modified with acrylic acid grafted thereon.
Claim 24
Dependent Claim
31 words
The crosslinkable powder according to claim 16 comprising from about 99.95 to 98.0 weight percent of said polymeric material and from about 0.05 to 2.0 weight percent of said organic peroxide.
Claim 25
Dependent Claim
15 words
The crosslinkable powder according to claim 22 wherein said organic peroxide is 2,5-dimethyl-2,5-di(t-butyl peroxy) hexane.
Claim 26
Dependent Claim
62 words
A crosslinkable powder comprising a major amount of porous polymeric particles of organic functional thermoplastic polymer said polymer particles being less than 100 microns in size and having a decomposition point higher than 100° C. and having sorbed into each of the porous polymer particles a minor amount of a functional organosilane capable of interacting with the functionality of said polymer .
Claim 27
Dependent Claim
62 words
A crosslinkable powder comprising a major amount of porous polymeric particles of organic functional thermoplastic polymer said polymer particles being less than 100 microns in size and having a decomposition point higher than 100° C. and having sorbed into each of the porous polymer particles a minor amount of a functional organosilane capable of interacting with the functionality of said polymer .
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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) | 1983-09-30 | 1984-03-31 | 1984-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-30 | 1988-03-31 | 1988-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-30 | 1992-03-31 | 1992-09-30 | $7700.00 | Window Closed / Lapsed |