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Inventor:
Bertelli; Guido
Address:
Ferrara, IT
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
5536572 Compositions for polyolefin fibers having improved flame-resistance and no corrosive properties July 16, 1996
An olefin polymer composition is disclosed which comprises (by weight):(a) from 0.3 to 3% of a complex of general formula:wherein R is an amine; Me is bismuth or antimony; X is chlorine or bromine; y is a number from 0.3 to 4.0;(b) from 0.1 to 1% of poly(1,4-diisopropylbenzene);(c) from 0.1 to 0
5494951 Compositions for polyolefin fibers having improved flame-resistance and no corrosive properties February 27, 1996
An olefin polymer composition is disclosed which contains (by weight):(a) from 0.3 to 3% of a complex of general formula: wherein R is an amine; Me is bismuth or antimony; X is chlorine or bromine; y is a number from 0.3 to 4.0;(b) from 0.1 to 1% of poly(1,4-diisopropylbenzene);(c) from 0.1 to 0
5182321 Piperazine cyanurate and polymer compositions comprising it January 26, 1993
Piperazine cyanurate with specified formula and its use in the preparation of self-extinguishing polymer compositions.
5166235 Flame retardant concentrates and process for their preparation November 24, 1992
Concentrate of a flame retardant additive, in the form of nonextruded particles, each one comprising:A) a matrix of a nonextruded, as polymerized particle, preferably spheroidal, of a polymer or copolymer of olefins having porosity greater than or equal to 15%, expressed as a percent of
4833186 Polymeric compositions endowed with self-extinguishing properties containing melamine bromohydra May 23, 1989
Self-extinguishing polymeric compositions comprising by weight:(1) from 49 to 99% of a thermoplastic polymer(2) from 1 to 50% of melamine bromohydrate(3) from 0 to 1% of a promoter of free radicals.
4798857 Complexes of bismuth or antimony halides with amines, suitable as flame retardants for polymers, January 17, 1989
Disclosed are complexes of bismuth or antimony halides with amines having formula:where R is dicyandiamide, guanamine, 2-guanidinobenz-imidazole, isophoronediamine, piperazine, melamine or a compound having from 2 to 9 triazine rings condensed or linked to each other through at least one
4710528 Flame resistant thermoplastic polymeric compositions comprising (1) melamine bromohydrate and (2 December 1, 1987
Polymeric compositions endowed with improved self-extinguishing properties, comprising by weight:(A) from 60 to 98.9% of a thermoplastic polymer;(B) from 0.1 to 10% of an antimony and/or bismuth compound;(C) from 0 to 1% of a promoter of free radicals;(D) from 1 to 30% of melamine bromohydrate.
4579894 Self-extinguishing polyolefinic compositions having improved flame resistance characteristics an April 1, 1986
Self-extinguishing compositions comprising:(1) from 35.5 to 87% by weight of at least a polyolefin(2) from 5 to 20% by weight of an ammonium polyphosphate(3) from 2 to 20% by weight of polycarbonylpiperazine(4) from 3 to 10% by weight of melamine phosphate(5) from 0.5 to 3% by weight of titanium dio
4420577 Self-extinguishing polyolefin compositions December 13, 1983
Self-extinguishing polyolefin compositions consisting of:(1) from 52 to 96.55% by weight of at least one olefin polymer or copolymer;(2) from 3 to 30% by weight of a nitrogenous compound selected from amongst 1,3,5-triazines, urea and dicyandiamide;(3) from 0.3 to 3% by weight of a free-radi
4363906 Condensation product prepared from N,N'-ethylene-urea and formaldehyde December 14, 1982
There is disclosed a solid and water-insoluble condensation product of N,N'-ethyleneurea with formaldehyde, having the structure ##STR1## wherein n is an integer from 20 to 60 with a mean value of 41, and having an average number molecular weight M.sub.n ranging from 2000 to 6000. Sa
4312805 Self-extinguishing polymer compositions January 26, 1982
There are provided self-extinguishing compositions comprising, for each 100 parts of a polyolefin as such or containing inert fillers and/or other additives, from 5 to 30 parts of an ammonium or amine phosphate, from 3 to 20 parts of one or more nitrogen organic compound which, upon heat
4203882 Self-extinguishing polymeric compositions based on modified polypropylene May 20, 1980
The invention concerns impact resistant polymeric compositions having flame-resistance properties and comprising:(1) a blend of (a) 95-80% by weight of a thermoplastic block propylene-ethylene copolymer containing from 3 to 20% by weight of copolymerized ethylene, and(b) 5-20% by weight
4198328 Flame-resisting intumescent paints April 15, 1980
The present invention concerns flame-resisting paints, in particular, those which can be applied on wood, metals and plastic materials or elastomers. More particularly, it concerns "intumescent paints" endowed with excellent fire-resistance characteristics.
4193945 Self-extinguishing polymeric compositions March 18, 1980
The present invention relates to self-extinguishing compositions based on olefin polymers or copolymers, such as polypropylene, polyethylene, ethylene-propylene copolymers, EPDM rubbers and other polymers, such as polystyrene, ABS resins, polyethylene terephthalate, polybutylene tere
4033915 Flame-extinguishing polyolefin compositions July 5, 1977
This invention relates to new flame-extinguishing agents for polymers and to self-extinguishing compositions based on polymers or copolymers of ethylene and of alpha-olefins and containing the above-mentioned flame-extinguishing agents.
4010139 Self-extinguishing polyolefinic compositions March 1, 1977
The present invention relates to new polyolefinic compositions suited for producing self-extinguishing articles.










 
 
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