Reference

(Meth)allylphosphinic acid alkyl esters

(Meth)allylphosphinic acid alkyl esters. Arend, Guenter; Block, Hans Dieter (Bayer A.-G.In this study，64528-79-6 is also used., Ger.). Ger. Offen. DE 2601467 21 Jul 1977, 12 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C07F009-32. APPLICATION: DE 76-2601467 16 Jan 1976. DOCUMENT TYPE: Patent CA Section: 35 (Synthetic High Polymers) Treatment of (meth)allyl chloride with diethyl methanephosphonite (I) [15715-41-0] or diethyl benzenephosphonite [1638-86-4] in the presence of nonvalent, monovalent, or divalent Ni catalysts gave CH2:CRCH2P(O)R1(OEt) (R = H or Me; R1 = Me or Ph), useful for the manuf. of fire-resistant polymers. Thus, 68 parts I was refluxed under N in the presence of a Raney Ni catalyst and treated with 42.1 parts allyl chloride [107-05-1]. The mixt. was heated 1 h at 140.degree. and distd. in vacuo to give ethyl allylmethylphosphinate [64528-80-9]. .

Flame-resistant polyamide molding compositions

Flame-resistant polyamide molding compositions. Herwig, Walter; Kleiner, Hans J.Several substances are used for example 61745-98-0 which is its cas registry number. (Hoechst A.-G., Ger.). Ger. Offen. DE 2523145 9 Dec 1976, 17 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C07F009-53. APPLICATION: DE 75-2523145 24 May 1975. DOCUMENT TYPE: Patent CA Section: 36 (Plastics Manufacture and Processing) Section cross-reference(s): 29 The phosphinylphosphinic acid Me2P(O)CH2P(O)MeOH (I) [61745-98-0] and MeP(O)[CH2P(O)MeOH]2 [61745-99-1] have good heat stability and are used in polyamides to provide fire resistance without affecting transparency and other mech. properties. Thus, 200 g Me2P(O)CH2Cl [1638-75-1] was treated slowly at 140.degree. with 215 g MeP(OEt)2 [15715-41-0] to prep. 220 g Me2P(O)CH2P(O)MeOEt [61746-00-7] which was sapond. at 130-70.degree. with HCl to prep. I. A mixt. of terephthalic acid 66.4, bis(aminomethyl)norbornanes 33.4, caprolactam 49.8, and I 11.5 g was heated at 270.degree. to prep. a tough, transparent, colorless, self-extinguishing polyamide [41901-39-7]. .