Fire-protecting epoxy resin

Claim 2

IN A FIRE-PROTECTING EPOXY RESIN MOULDING COMPOSITION, THE COMBINATION OF: AN UNCURED EPOXY RESIN MADE FROM A POLYFUNCTIONAL HALOHYDRIN AND A POLYHYDRC PHENOL TOGETHER WITH A CURING AGENT FOR THE EPOXY RESIN SELECTED FROM THE GROUP CONSISTING OF POLYAMINE CURING AGENTS, AND CARBOXYLIC ANHYDRIDE CURING AGENTS, AND TOGETHER WITH A SOURCE OF NON-INFLAMMABLE OF PHOSPHORIC ACID AND A SOURCE OF NON-INFLAMMABLE GASES, SAID SOURCE OF CARBON HAVING A HIGH TEMPERATURE OF DECOMPOSITION AND CONTAINING MANY RADICALS CAPABLE OF ENTERING INTO AN ESTERFYING REACTION WITH PHOSPHORIC ACID, SAID CARBON SOURCE BEING POLYVALENT ALCOHOL, SAID SOURCE OF PHOSPHORIC ACID BEING A PHOSPHATE COMPOUND HAVING A SELETED DECOMPOSITION TEMPERATURE LOWER THAN THAT OF SAID SOURCE OF CARBON TO GENERATE PHOSPHORIC ACID WHEREBY SAID ESTERFYING REACTION MAY TAKE PLACE AT SAID SELECTED TEMPERATURE AND BEING SELECTED FROM THE GROUP CONSISTING OF AMMONIUM ORTHOPHOSPHATE, MELAMINE PHOSPHATE, POLYPHOSPHORYL PHOSPHATE, AND WATER-INSOLUBLE AMMONIUM POLYHOSPHATE WITH A PHOSPHATE CONTENT OF ABOUT 90 PERCENT, AND SAID SOURCE OF NON-FLAMMABLE GASES BEING A COMPOUND WHICH DOES NOT TAKE PART IN THE CURING OF THE EPOXY RESIN BUT REMAINS IN FREE STATE THEREIN AND PROVIDES NONINFLAMMABLE GASES AT TEMPERATURES ABOVE SAID SELECTED TEMPERATURE AND SAID SOURCE OF NON-INFLAMMABLE GASES BEING SELECTED FROM THE GROUP CONSISTING OF DICYANDIAMIDES, UREA, MELAMINE AND GUANIDINE AND A COMBINATION THEREOF WITH CHLORINATED PARAFFINS.

Claim 3

The moulding composition as claimed in claim 1, in which said curing agent is triethylene tetramine.

Claim 4

The moulding composition as claimed in claim 1, in which said curing agent is methylnadic anhydride and tri(dimethylaminomethyl)phenol is present as an accelerator.

Claim 5

The moulding composition as claimed in claim 1, in which said curing agent is methylnadic anhydride and said source of non-inflammable gases is a combination of melamine with chlorinated naphthalene.

Claim 6

A fire-protecting epoxy resin, essentially comprising a cured product of an epoxy resin made from a poly-functional halohydrin and a polyhydric phenol and cured with a curing agent selected from the group consisting of polyamines, and carboxylic anhydrides, said cured epoxy resin having a source of carbon, a source of phosphoric acid and a source of non-inflammable gases incorporated therein throughout its mass, said source of carbon having a high temperature of decomposition and containing many radicals capable of entering into an esterfying reaction with phosphoric acid, said carboN source being polyvalent alcohol, said source of phosphoric acid being a phosphate compound having a selected decomposition temperature lower than that of said source of carbon to generate phosphoric acid whereby said esterfying reaction may take place at said selected temperature and being selected from the group consisting of ammonium orthophosphate, melamine phosphate, polyphosphoryl phosphate, and water-insoluble ammonium polyphosphate with a phosphate content of about 90 percent, and said source of non-inflammable gases being a compound which does not take part in the curing of the epoxy resin but remains in free state therein and provides non-inflammable gases at temperatures above said selected temperature and said source of non-inflammable gases being selected from the group consisting of dicyandiamide, urea, melamine and guanidine and a combination thereof with chlorinated paraffins.

Claim 7

A fire-protecting epoxy resin, essentially comprising a cured product of an epoxy resin made from a poly-functional halohydrin and a polyhydric phenol and cured with a curing agent selected from the group consisting of polyamines, and carboxylic anhydrides, said cured epoxy resin having a source of carbon, a source of phosphoric acid and a source of non-inflammable gases incorporated therein throughout its mass, said source of carbon having a high temperature of decomposition and containing many radicals capable of entering into an esterfying reaction with phosphoric acid, said carboN source being polyvalent alcohol, said source of phosphoric acid being a phosphate compound having a selected decomposition temperature lower than that of said source of carbon to generate phosphoric acid whereby said esterfying reaction may take place at said selected temperature and being selected from the group consisting of ammonium orthophosphate, melamine phosphate, polyphosphoryl phosphate, and water-insoluble ammonium polyphosphate with a phosphate content of about 90 percent, and said source of non-inflammable gases being a compound which does not take part in the curing of the epoxy resin but remains in free state therein and provides non-inflammable gases at temperatures above said selected temperature and said source of non-inflammable gases being selected from the group consisting of dicyandiamide, urea, melamine and guanidine and a combination thereof with chlorinated paraffins.

Claim 8

A fire-protecting epoxy resin, essentially comprising a cured product of an epoxy resin made from a polyfunctional halohydrin and polyhydric phenol and cured with a curing agent for epoxy resins selected from the group consisting of carboxylic anhydride curing agents said epoxy resin having a source of carbon, of phosphoric acid and a source of non-inflammable gases incorporated therein throughout its mass, said source of carbon having a high temperature of decomposition and containing many radicals capable of entering into an esterfying reaction with phosphoric acid, said carbon source being polyvalent alcohol, said source of phosphoric acid being a phosphate compound having a selected decomposition temperature lower than that of said source of carbon to generate phosphoric acid whereby said esterfying reaction may take place at said selected temperature and being selected from the group consisting of ammonium orthophosphate, melamine phosphate, polyphosphoryl phosphate, and water-insoluble ammonium polyphosphate with a phosphate content of about 90 percent, and said source of non-inflammable gases being a compound which does not take part in the curing of the epoxy resin but remains in free state therein and provides non-inflammable gases at temperatures above said selected temperature and said source of non-inflammable gases being selected from the group consisting of dicyandiamide, urea, melamine and guanidine and a combination thereof with chlorinated paraffins.

Claim 9

A fire-protecting epoxy resin, essentially comprising a cured product of an epoxy resin made from a polyfunctional halohydrin and polyhydric phenol and cured with a curing agent for epoxy resins selected from the group consisting of carboxylic anhydride curing agents said epoxy resin having a source of carbon, of phosphoric acid and a source of non-inflammable gases incorporated therein throughout its mass, said source of carbon having a high temperature of decomposition and containing many radicals capable of entering into an esterfying reaction with phosphoric acid, said carbon source being polyvalent alcohol, said source of phosphoric acid being a phosphate compound having a selected decomposition temperature lower than that of said source of carbon to generate phosphoric acid whereby said esterfying reaction may take place at said selected temperature and being selected from the group consisting of ammonium orthophosphate, melamine phosphate, polyphosphoryl phosphate, and water-insoluble ammonium polyphosphate with a phosphate content of about 90 percent, and said source of non-inflammable gases being a compound which does not take part in the curing of the epoxy resin but remains in free state therein and provides non-inflammable gases at temperatures above said selected temperature and said source of non-inflammable gases being selected from the group consisting of dicyandiamide, urea, melamine and guanidine and a combination thereof with chlorinated paraffins.

Claim 10

A fire-protecting epoxy resin as defined in claim 5 wherein said source of carbon is selected from the group consisting of mono-pentaerythritol, di-pentaerythritol, tri-pentaerythitol, and mixtures thereof.

Claim 11

In a fire-protecting epoxy resin moulding composition as defined in claim 1 wherein said source of carbon is selected from the group consisting of mon-pentaerythritol, di-pentaerythritol, tri-pentaerythitol, and mixtures thereof.

Claim 12

The moulding composition as claimed in claim 5, in which said curing agent is triethylene tetramine.

Claim 13

The moulding composition as claimed in claim 6, in which said curing agent is triethylene tetramine.

Claim 14

The moulding composition as claimed in claim 5, in which said curing agent is methylnadic anhydride and tri(dimethylaminomethyl) phenol is present as an accelerator.

Claim 15

The moulding composition as claimed in claim 6, in which said curing agent is methylnadic anhydride and tri(dimethylaminomethyl) phenol is present as an accelerator.

Claim 16

The moulding composition as claimed in claim 1, in which said curing agent is methylnadic anhydride and said source of non-inflammable gases is a combination of melamine with chlorinated naphthalene.

Claim 17

The moulding composition as claimed in claim 5, in which said curing agent is methylnadic anhydride and said source of non-inflammable gases is a combination of melamine with chlorinated naphthalene.

Claim 18

The moulding composition as claimed in claim 6, in which said curing agent is methylnadic anhydride and said source of non-inflammable gases is a combination of mElamine with chlorinated naphthalene.

Claim 19

A fire-protecting epoxy resin as defined in claim 6 wherein said source of carbon is selected from the group consisting of mono-pentaerythritol, di-pentaerythritol, tri-pentaerythitol, and mixtures thereof.

Claim 20

A fire-protecting epoxy resin as defined in claim 7 wherein said curing agent is triethylene tetramine.

Claim 21

A fire-protecting epoxy resin as defined in claim 8 wherein said curing agent is triethylene tetramine.

Claim 22

A fire-protecting epoxy resin as defined in claim 16 wherein said curing agent is triethylene tetramine.