Cross-linkable coating composition and method of producing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64C-027/46
F01D-005/28
C08G-012/46
C09D-161/20
C08K-005/07
C09D-133/10
출원번호
US-0920341
(2013-06-18)
등록번호
US-9604721
(2017-03-28)
발명자
/ 주소
Popa, Paul J.
Schaefer, Ben W.
Argyropoulos, John N.
Wohltmann, Kenneth Everett
Hofmann, Sandra
Haile, Daniel
Li, Yanxiang
Foley, Paul
출원인 / 주소
Dow Global Technologies LLC
인용정보
피인용 횟수 :
2인용 특허 :
4
초록▼
The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media
The instant invention provides cross-linkable coating compositions, process for producing the same, and substrates coated therewith. The cross-linkable coating composition comprises: (a) polyaldehyde, or acetal or hemiacetal thereof; (b) an acid catalyst having pKa of less than 6; (c) a liquid media; (d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and (e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C.
대표청구항▼
1. A crosslinkable coating composition comprising: (a) a polyaldehyde;(b) an acid catalyst having pKa of less than 6;(c) a liquid media;(d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than
1. A crosslinkable coating composition comprising: (a) a polyaldehyde;(b) an acid catalyst having pKa of less than 6;(c) a liquid media;(d) an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups, wherein said polycarbamate has a glass transition (Tg) of less than 25° C.; and(e) one or more fillers having a pH in the range of equal to or less than 9 and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9, wherein said composition has a curing temperature in the range of less than 70° C., and wherein said coating composition exhibits pendulum hardness (7 day) in the range greater than 20, a methyl ethyl ketone (MEK) back-and-forth double rubbing of 50 or greater, and a cross-hatch adhesion value of from 4B to 5B. 2. A process for producing a crosslinkable coating composition comprising the steps of: (a) selecting a polyaldehyde;(b) selecting an acid catalyst having pKa of less than 6;(c) selecting a liquid media;(d) selecting an acrylic polycarbamate comprising at least an average of 2.0 carbamate functional groups wherein said polycarbamate has a glass transition (Tg) of less than 25° C.;(e) selecting one or more fillers having a pH in the range of equal to or less than 9, and/or one or more pigments having a pH in the range of equal to or less than 9, and/or one or more additives having a pH in the range of equal to or less than 9;(f) contacting said polyaldehyde, said acid catalyst, said liquid media, said polycarbamate, said one or more filler, and optionally said one or more pigments; and(g) thereby forming a crosslinkable coating composition;wherein said composition has a curing temperature in the range of less than 70° C., and wherein said coating composition exhibits pendulum hardness (7 day) in the range greater than 20, a methyl ethyl ketone (MEK) back-and-forth double rubbing of 50 or greater, and a cross-hatch adhesion value of from 4B to 5B. 3. The crosslinking coating composition of claim 1, wherein said polycarbamate has a glass transition (Tg) of less than 0° C. 4. The crosslinkable composition of claim 1, wherein said polyaldehyde, has from 2 to 20 carbon atoms or from more than 20 carbon atoms, with the proviso that a polyaldehyde having more than 20 carbon atoms has at least one aldehyde group for every 10 carbon atoms. 5. The crosslinkable composition of claim 4, wherein said polyaldehyde is selected from the group consisting of (cis,trans)-1,4-cyclohexanedicarboxyaldehydes, (cis,trans)-1,3-cyclohexanedicarboxyaldehydes, and mixtures thereof. 6. The crosslinkable composition of claim 1, wherein the acrylic polycarbamate component has carbamate groups and hydroxyl groups in a ratio of the equivalents of carbamate groups to the number of equivalents of hydroxyl functional groups of from 1:1 to 20:1. 7. The crosslinkable composition of claim 1, where said crosslinkable composition further comprises one or more curing inhibitors. 8. The crosslinkable composition of claim 1, wherein the curing inhibitor is selected from the group consisting of water, an alcohol and a mixture thereof.
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이 특허에 인용된 특허 (4)
Pathak Chandrashekhar P. ; Moore Mark A. ; Philips ; Jr. Richard E., Blocked functional reagants for cross-linking biological tissues.
Ohrbom, Walter H.; Gilbert, John A.; Herrel, Patricia A.; Green, Marvin L.; Casale, Joanne; Savino, Thomas G., Coating compositions containing crosslinkable monomeric difunctional compounds having at least thirty carbon atoms.
Argyropoulos John Nicholas ; Bryant David Robert ; Tulchinsky Michael Leo ; Kanel Jeffrey Scott ; Foley Paul ; Fish Barry Brent, Metal-ligand complex catalyzed processes.
Yu, Xinrui; He, Yiyong; Hull, Jr., John W.; Beigzadeh, Daryoosh; Romer, Duane R.; Clark, Thomas P.; Margl, Peter; Lu, Congcong, Process to produce polycarbamate, polycarbamate produced thereby and a coating composition comprising the polycarbamate.
Yu, Xinrui; He, Yiyong; Hull, Jr., John W.; Beigzadeh, Daryoosh; Romer, Duane R.; Clark, Thomas P.; Margl, Peter; Lu, Congcong, Process to produce polycarbamate, polycarbamate produced thereby and a coating composition comprising the polycarbamate.
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