EP0441512A2
Expired / Lapsed
EP
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Oil- absorbent polymer and use therefor
Assignee: Nippon Shokubai Co Ltd
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Filing: 1991-01-29
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Granted: —
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Expires: 2011-01-29
Abstract
Abstract A swellable oil-absorbent agent formed of a cross-linked polymer (P) obtained by polymerizing a monomer component comprising 90 to 99.999% by weight of a monomer having as a main moiety thereof an alkyl (meth)acrylate the alkyl group of which has 10 to 16 carbon atoms and possessing one polymerizable unsaturated group in the molecular unit thereof and 0.001 to 10% by weight of a cross-linkable monomer possessing at least two polymerizable unsaturated groups in the molecular unit thereof (providing that the total of the amount of the polymerizable monomer and that of the cross-linkable monomer is 100% by weight).
Inventors
- 👤 Hozumi Yoshiyuki
- 👤 Inaoka Toru
- 👤 Gomi Tomoki
- 👤 Goto Takakiyo
- 👤 Uno Toru
- 👤 Rakutani Kenji
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 20:15
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/08; A01N25/10; B; B01; B01D; B01D15/00; B01D17/00; B01D17/02; B01D17/0202; B01J; B01J20/00; B01J20/22; B01J20/26; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/26; B41M5/30; B41M5/333; B41M5/3331; C; C02; C02F; C02F1/00; C02F1/68; C02F1/681; C08; C08F; C08F2/00; C08F2/44; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1806; C08F220/1808; C08F220/1811; C08F220/1812; C08F220/1818
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
99 words
A swellable oil-absorbent agent formed of a cross-linked polymer (P) obtained by polymerizing a monomer component comprising 90 to 99.999% by weight of a monomer having as a main moiety thereof an alkyl (meth)acrylate the alkyl group of which has 10 to 16 carbon atoms and possessing one polymerizable unsaturated group in the molecular unit thereof and 0.001 to 10% by weight of a cross-linkable monomer possessing at least two polymerizable unsaturated groups in the molecular unit thereof (providing that the total of the amount of the polymerizable monomer and that of the cross-linkable monomer is 100% by weight).
Claim 2
Dependent Claim
99 words
A swellable oil-absorbent agent formed of a cross-linked polymer (P) obtained by polymerizing a monomer component comprising 90 to 99.999% by weight of a monomer having as a main moiety thereof an alkyl (meth)acrylate the alkyl group of which has 10 to 16 carbon atoms and possessing one polymerizable unsaturated group in the molecular unit thereof and 0.001 to 10% by weight of a cross-linkable monomer possessing at least two polymerizable unsaturated groups in the molecular unit thereof (providing that the total of the amount of the polymerizable monomer and that of the cross-linkable monomer is 100% by weight).
Claim 3
Dependent Claim
50 words
A swellable oil-absorbent agent according to claim 1, wherein said alkyl (meth)acrylate the alkyl group of which has 10 to 16 carbon atoms is contained in an amount of at least 50% by weight to the total of the monomer having one polymerizable unsaturated group in the molecular unit thereof.
Claim 4
Dependent Claim
19 words
A substrate for underwater gradual release of a chemical agent which comprises said cross-linked polymer according to claim 1.
Claim 5
Dependent Claim
18 words
An underwater antifouling agent composition which comprises said cross-linked polymer according to claim 1 and an antifouling component.
Claim 6
Dependent Claim
29 words
A composition according to claim 4, wherein an amount of said cross-linked polymer is 2 to 80% by weight to 20 to 98% by weight of said antifouling component.
Claim 7
Dependent Claim
22 words
A gel-like aromatic agent composition formed by causing an aromatic component to be incorporated in said cross-linked polymer according to claim 1.
Claim 8
Dependent Claim
29 words
A composition according to claim 6, wherein an amount of said cross-linked polymer is 2 to 40% by weight to 60 to 98% by weight of said aromatic component.
Claim 9
Dependent Claim
37 words
A gel-like insectifugal, insecticidal, and fungicidal composition which comprises said cross-linked polymer according to claim 1 and a volatile effective component containing at least one chemical agent selected from the group consisting of insectifuges, insecticides, and fungicides.
Claim 10
Dependent Claim
30 words
A composition according to claim 8, wherein an amount of said cross-linked polymer is 2 to 40% by weight to 60 to 98% by weight of said volatile effective component.
Claim 11
Dependent Claim
16 words
A fish-luring composition which comprises said cross-linked polymer according to claim 1 and a fish-luring substance.
Claim 12
Dependent Claim
29 words
A composition according to claim 10, wherein an amount of said cross-linked polymer is 2 to 70% by weight to 30 to 98% by weight of said fish-luring substance.
Claim 13
Dependent Claim
18 words
A solid fuel composition which comprises said cross-linked polymer according to claim 1 and a liquid fuel component.
Claim 14
Dependent Claim
30 words
A composition according to claim 12, wherein an amount of said cross-linked polymer is 2 to 50% by weight to 50 to 98% by weight of said liquid fuel component.
Claim 15
Dependent Claim
15 words
An oil-absorbing composite having carried on a substrate said cross-linked polymer according to claim 1.
Claim 16
Dependent Claim
16 words
An oil-absorbent material depositing said cross-linked polymer according to claim 1 on a hydrophobic porous substrate.
Claim 17
Dependent Claim
30 words
A material according to claim 15, wherein a ratio of said cross-linked polymer to 100 parts by weight of said hydrophobic porous substrate is 10 to 500 parts by weight.
Claim 18
Dependent Claim
17 words
An oil-mist filter which comprises supporting said cross-linked polymer according to claim 1 on a porous substrate.
Claim 19
Dependent Claim
29 words
A filter according to claim 17, wherein a ratio of said cross-linked polymer is 2 to 200 parts by weight to 100 parts by weight of said porous substrate.
Claim 20
Dependent Claim
28 words
A thermosensitive recording material which comprises containing said cross-linked polymer according to claim 1 on a substrate provided a thermosensitive coloring layer or in a thermosensitive coloring layer.
Claim 21
Dependent Claim
24 words
A material according to claim 19, wherein an amount of said cross-linked polymer is 0.1 to 100% by weight based on said thermosensitive layer.
Claim 22
Dependent Claim
26 words
A pressure-sensitive recording sheet which comprises containing said cross-linked polymer according to claim 1 on a substrate provided a developer layer or in a developer layer.
Claim 23
Dependent Claim
24 words
A sheet according to claim 21, wherein an amount of said cross-linked polymer is 0.1 to 100% by weight based on said developer layer.
Claim 24
Dependent Claim
30 words
An oil-sealing material which comprises dispersing said cross-linked polymer according to claim 1 into at least one substrate selected from the group consisting of a thermoplastic resin and an elastomer.
Claim 25
Dependent Claim
30 words
An oil sealing material according to claim 23, wherein an amount of said cross-linked polymer is 1 to 75% by weight to 25 to 99% by weight of said substrate.
Claim 26
Dependent Claim
15 words
A paper suitable for printing which comprises containing said cross-linked polymer according to claim 1.
Claim 27
Dependent Claim
25 words
A paper according to claim 25, wherein said cross-linked polymer is contained in an amount of 0.1 to 20% by weight based on said paper.
Claim 28
Dependent Claim
25 words
An oil-absorbent pack which comprises particles of said cross-linked polymer according to claim 1 is packed in a bag made of a hydrophobic porous cloth.
Claim 29
Dependent Claim
18 words
An oil-absorbent pack according to claim 27, wherein particle diameter of said particles is 0.01 to 2 mm.
Claim 30
Dependent Claim
128 words
A method for manufacturing an oil-absorbent material which comprises impregnating a monomer component comprising 90 to 99.999% by weight of a monomer having as a main moiety thereof an alkyl (meth)acrylate the alkyl group of which has 10 to 16 carbon atoms and possessing one polymerizable unsaturated group in the molecular unit thereof and 0.001 to 10% by weight of a cross-linkable monomer possessing at least two polymerizable unsaturated groups in the molecular unit thereof (providing that the total of the amount of the polymerizable monomer and that of the cross-linkable monomer is 100% by weight) with a hydrophobic porous substrate, dipping said impregnated substrate into a water bath, and polymerizing said monomer component thereby supporting said cross-linked polymer according to claim 1 on said hydrophobic porous substrate.
Claim 31
Dependent Claim
55 words
A method for the removal of an oil component dissolved in water, which method comprises mixing the said cross-linked polymer according to claim 1 as an underwater absorbent for dissolved oil with a body of water having the oil component dissolved therein thereby causing the absorbent to absorb and retain therein the dissolved oil component.
References Cited (Backward Citations)
No citation records indexed.
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