Water- and acrylate-based flameproofing dispersion

A technology of acrylate and dispersion, which is applied in the manufacture of fire-resistant and flame-retardant filaments, the addition of fire-resistant agents, inks, etc., and can solve problems such as unsatisfactory flame-retardant preparations, defects in anti-recrystallization, and poor product quality.
CN101044282AInactive Publication Date: 2007-09-26CLARIANT PROD DEUT GMBH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CLARIANT PROD DEUT GMBH
Publication Date
2007-09-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an aqueous dispersion which comprises a) a flameproofing agent of general formula (I), wherein R1represents hydrogen, C1-4 alkyl, -CH2CI, -CH2Br, -CH2O-C1-4 alkyl or phenyl, R2 represents hydrogen, C1-4 alkyl, -CH2CI, -CH2Br or -CH2O-C1-4 alkyl, or R1 and R2, together with the ring carbon atoms bound to them, represent cyclohexylidene, cyclohexenylidene or 3,4-dibromocyclohexylidene, R3 and R5 independently represent hydrogen or C1-4 alkyl, R4 represents hydrogen or methyl, and X represents oxygen or sulfur, and b) an acrylate copolymer which substantially consists of 50 to 80 mole % of monoalkenyl aromatics and 20 to 50 mole % of acrylates. The inventive aqueous dispersion has an average molar mass Mv between 1000 and 50.000 g / mol.
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Description

technical field

[0001] The present invention provides aqueous flame retardant formulations of Dioxaphosphorinane, processes for their preparation, and their use to impart flame retardancy to natural and synthetic fiber materials. Background technique

[0002] In order to achieve a satisfactory level of flame retardancy imparted to e.g. viscose fibers, the flame retardants used must meet high requirements, especially with regard to purity, particle fineness, storage stability, viscosity, surface tension and conductivity. Require. Particularly high requirements are placed on particle fineness and stability, so that no fiber and filament breakage, titer fluctuations, fiber fineness fluctuations occur during the spinning operation of high-value fine to very fine viscose fibers Or die clogging occurs, which can result in poorer end product quality.

[0003] The hitherto known flame retardant formulations disclosed for example in DE-4128638A1 often no longer meet the requirement...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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