Compositions – Fire retarding – For solid synthetic polymer and reactants thereof
Patent
1990-08-29
1993-03-02
Lovering, Richard D.
Compositions
Fire retarding
For solid synthetic polymer and reactants thereof
252602, C09K 2102
Patent
active
051907003
ABSTRACT:
The present invention provides a power flame retardant for a halogen-containing vinyl resin, which comprises the following Components A, B and C. (A) 5 to 30 parts by weight of at least one of alkali metal compound of lithium, sodium and potassium calculated as the formula M.sub.2 O where M is an alkali metal; (B) 0.2 to 10 parts by weight of a perchloric acid radical in the form of the acid or a salt or amine thereof, calculated as perchloric acid radical; and (C) 1 to 50 parts by weight of a hydrophobic dispersing agent having a boiling point or a decomposition temperature of 200.degree. C. or higher. All the parts by weight are based on 100 parts by weight of antimony pentoxide (Sb.sub.2 O.sub.5). The flame retardant of the present invention does not impair transparency of the halogen-containing vinyl resin, and also does not worsen various physical properties such as thermal stability and weathering resistance. The invention also provides (1) flame retardant halogen containing resins and (2) a process for preparing the powdered flame retardant.
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Shindo Masuo
Shishido Kouji
Suzuki Keitaro
Teranishi Masayuki
Watanabe Yoshitane
Anthony Joseph D.
Lovering Richard D.
Nissan Chemical Industries Ltd.
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