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EP0370518A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Flame retardant composition

Assignee: NUC Corp
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Filing: 1989-11-24
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Granted: —
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Expires: 2009-11-24
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Abstract

Abstract A composition comprising: (i) a thermoplastic resin; (ii) magnesium hydroxide, and (iii) a hydrogenated styrene-butadiene copolymer.

Inventors

  • 👤 Katsuhiro Horita
  • 👤 Shoju Hayashi
  • 👤 Takao Koshiyama

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 14:09
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08L23/08; C08L23/0807; C08L23/0815; C08L23/0846; C08L23/0869; C08L43/00; C08L43/04; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; C08L2205/00; C08L2205/03; C08L2312/00; C08L53/00; C08L53/02; C08L53/025

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 17 words
A composition comprising: (i) a thermoplastic resin; and (ii) magnesium hydroxide; and (iii) a hydrogenated styrene-butadiene copolymer.
Claim 2
Dependent Claim 17 words
A composition comprising: (i) a thermoplastic resin; and (ii) magnesium hydroxide; and (iii) a hydrogenated styrene-butadiene copolymer.
Claim 3
Dependent Claim 12 words
The composition defined in claim 1 wherein the resin is not halogenated.
Claim 4
Dependent Claim 22 words
The composition defined in at least one of the claims 1 to 2 wherein the resin is an ethylene homopolymer or copolymer.
Claim 5
Dependent Claim 39 words
The composition defined in at least one of the claims 1 to 3 wherein the magnesium hydroxide is present in an amount of about 5 to about 450 parts by weight based on 100 parts by weight of resin.
Claim 6
Dependent Claim 49 words
The composition defined in at least one of the claims 1 to 4 wherein the magnesium hydroxide has an average particle diameter in the range of about 0.1 to about 15 microns and a surface area in the range of about 1 to about 20 square meters per gram.
Claim 7
Dependent Claim 40 words
The composition defined in at least one of the claims 1 to 5 wherein the hydrogenated styrene-butadiene copolymer is present in an amount of about 1 to about 80 parts by weight based on 100 parts by weight of resin.
Claim 8
Dependent Claim 34 words
The composition defined in at least one of the claims 1 to 6 wherein the weight ratio of magnesium hydroxide to hydrogenated styrene-butadiene copolymer is in the range of about 0.06:1 to about 450:1.
Claim 9
Dependent Claim 22 words
The composition defined in at least one of the claims 1 to 7 wherein the styrene butadiene copolymer is a block copolymer.
Claim 10
Dependent Claim 23 words
The composition defined in at least one of the claims 1 to 8 additionally containing an organic peroxide crosslinking agent, e.g. dicumyl peroxide.
Claim 11
Dependent Claim 20 words
The composition defined in at least one of the claims 1 to 9 wherein the resin is a hydrolyzable resin.
Claim 12
Dependent Claim 25 words
The composition defined in claim 10 wherein the resin contains one or more -Si(OR)₃ groups wherein R is a hydrocarbyl radical through copolymerization or grafting.
Claim 13
Dependent Claim 16 words
The composition defined in claim 11 wherein the silane groups are provided by a vinyltrialkoxy silane.
Claim 14
Dependent Claim 25 words
The composition defined in at least one of the claims 11 to 12 wherein the resin is a copolymer of ethylene and vinyl trimethoxy silane.
Claim 15
Dependent Claim 20 words
The composition defined in claim 11 wherein the silane compound which is copolymerized or grafted is an alkenyl alkoxy silane.
Claim 16
Dependent Claim 15 words
The composition defined in claim 14 additionally containing a silanol condensation catalyst, e.g. dibutyltin dilaurate.
Claim 17
Dependent Claim 28 words
An electrical conductor coated with the composition defined in at least one of the claims 1 to 15, e.g. a cable having an outer jacket comprising said composition.
Claim 18
Dependent Claim 20 words
The composition defined in at leastone of the claims 1 to 15 coated on, or extruded about, an electrical conductor.
Claim 19
Dependent Claim 17 words
A molded article comprising the composition defined in at least one of the claims 1 to 15.

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