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EP0409218A2
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Method for production of aqueous dispersion of long-chain alkyl graft polymer and aqueous release agent
Assignee: Nippon Shokubai Co Ltd
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Filing: 1990-07-19
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Granted: —
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Expires: 2010-07-19
Abstract
Abstract A method for the production of an aqueous dispersion of a long-chain alkyl graft polymer, which method comprises mixing an aqueous solution of a polyamine with a long-chain alkyl isocyanate and stirring the resultant mixture thereby causing reaction of said component reactants, and an aqueous release agent formed therefrom.
Inventors
- 👤 Kazuo Kodama
- 👤 Toru Tsuda
- 👤 Kazutomo Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 20:09
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/30; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6283; C08G18/64; C08G18/6415; C08G18/6423; C08G18/70; C08G18/71; C08G73/00; C08G73/02; C08G73/0206; C08G73/0233
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
42 words
A method for the production of an aqueous dispersion of a long-chain alkyl graft polymer, which method comprises mixing an aqueous solution of a polyamine with a long-chain alkyl isocyanate and stirring the resultant mixture thereby causing reaction of said component reactants.
Claim 2
Independent Claim
42 words
A method for the production of an aqueous dispersion of a long-chain alkyl graft polymer, which method comprises mixing an aqueous solution of a polyamine with a long-chain alkyl isocyanate and stirring the resultant mixture thereby causing reaction of said component reactants.
Claim 3
Dependent Claim
21 words
A method according to claim 1, wherein the alkyl group of said long-chain alkyl isocyanate has at least 8 carbon atoms.
Claim 4
Dependent Claim
22 words
A method according to claim 1, wherein said reaction is carried out at a temperature in the range of 0° to 100°C.
Claim 5
Dependent Claim
36 words
A method according to claim 1, wherein the ratio of addition of said alkyl isocyanate is in the range of 0.2 to 1.0 mol equivalent, based on 1 mol of the amino group in said polyamine.
Claim 6
Dependent Claim
32 words
A method according to claim 1, wherein said polyamine is selected from the group consisting of polyalkylene imines, polyalkylene polyamines, the condensate of ethylene diamine with epichlorohydrin, polyvinyl amines, and polyallyl amines.
Claim 7
Dependent Claim
18 words
A method according to claim 1, wherein said reaction is carried out in the presence of a surfactant.
Claim 8
Dependent Claim
24 words
A method according to claim 2, wherein said long-chain alkyl isocyanate is a monovalent isocyanate whose alkyl group has 12 to 30 carbon atoms.
Claim 9
Dependent Claim
22 words
A method according to claim 1, wherein said polyamine is selected from the group consisting of polyalkylene imines, polyalkylene polyamines, and polyallylamines.
Claim 10
Dependent Claim
41 words
An aqueous release agent formed of an aqueous dispersion of a long-chain alkyl graft polymer obtained by mixing an aqueous solution of a polyamine with a long-chain alkyl isocyanate and stirring the resultant mixture thereby causing reaction of said component reactants.
Claim 11
Dependent Claim
41 words
An aqueous release agent formed of an aqueous dispersion of a long-chain alkyl graft polymer obtained by mixing an aqueous solution of a polyamine with a long-chain alkyl isocyanate and stirring the resultant mixture thereby causing reaction of said component reactants.
Claim 12
Dependent Claim
22 words
A release agent according to claim 9, wherein the alkyl group of said long-chain alkyl isocyanate has at least 8 carbon atoms.
Claim 13
Dependent Claim
37 words
A release agent according to claim 9, wherein the ratio of addition of said alkyl isocyanate is in the range of 0.2 to 1.0 mol equivalent, based on 1 mol of the amino group in said polyamine.
Claim 14
Dependent Claim
33 words
A release agent according to claim 9, wherein said polyamine is selected from the group consisting of polyalkylene imines, polyalkylene polyamines, the condensate of ethylene diamine with epichlorophydrin, polyvinyl amines, and polyallyl amines.
Claim 15
Dependent Claim
13 words
A release agent according to claim 9, wherein a surfactant is additionally incorporated.
Claim 16
Dependent Claim
25 words
A release agent according to claim 10, wherein said long-chain alkyl isocyanate is a monovalent isocyanate whose alkyl group has 12 to 30 carbon atoms.
Claim 17
Dependent Claim
23 words
A release agent according to claim 9, wherein said polyamine is selected from the group consisting of polyalkylene imines, polyalkylene polyamines, and polyallylamines.
References Cited (Backward Citations)
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