摘要:
Polyhydric alcohol ethers of 2,2,6,6-tetramethyl-4-piperidone ketals are provided, having the formula: wherein:
R is selected from the group consisting of hydrogen, alkyl having from one to about eight carbon atoms, and alkyleneoxyalkylene, each alkylene having from two to about eight carbon atoms; R, is selected from the group consisting of hydrogen and alkyl having from one to about four carbon atoms; R 2 is selected from the group consisting of hydrogen; oxyl 0'; alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms; acyl having from one to about eighteen carbon atoms; cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alkylphenyl having from seven to about twenty-four carbon atoms; and n is a number from 2 to 6 as well as synthetic resin compositions having an improved resistance to deterioration and containing such compounds.
摘要:
N,N,N-tris(2,2,6,6-tetramethyl-4-piperidone keta))-1,3,5-triazines are provided, having the formula wherein:
R, is selected from the group consisting of hydrogen and alkyl having from one to about four carbon atoms; and R 2 is selected from the group consisting of hydrogen; oxyl O; alkyl, hydroxy alkyl and epoxyalkyl having from one to about eighteen carbon atoms; acyl having from one to about eighteen carbon atoms; cycloalkyl having from three to about eighteen carbon atoms; phenyl; phenalkyl and alkylphenyl having from seven to about twenty-four carbon atoms; as well as synthetic resin compositions having an improved resistance to deterioration and containing such compounds.
摘要:
A process is provided for preparing triacetone amine (2,2,6,6-tetramethyl-4-oxo piperidine) by reacting acetone and/or an acid condensate of acetone with ammonia in the presence of at least one catalyst selected from the group consisting of organotin halides, 1,3,5,2,4,6-triazatriphosphorin hexahalides and cyanuric halides.
摘要:
2,3,6-Tetraalkyl-4- piperidyl-bis-spiro- ethers are provided, useful as stabilizers for lessening deterioration due to exposure to light of organic polymeric materials, and having the general formula in which R 1 , R 2 , R 3 , R 5 , Z, X m and n are as defined herein.
摘要:
Polyacetal resin compositions are provided having improved light stability and comprising an alkylidene bis(benzotriazolyl phenol) having the formula: wherein: R, is selected from the group consisting of hydrogen and alkyl having from one to about eleven carbon atoms; R 2 is selected from the group consisting of alkyl having from one to about twelve carbon atoms; and arylalkyl having from seven to about eighteen carbon atoms; and X is selected from the group consisting of hydrogen; halogen; alkyl having from one to about twelve carbon atoms; aryl alkyl having from seven to about eighteen carbon atoms; alkoxy having from one to about twelve carbon atoms; phenoxy; arylalkoxy having from seven to about eighteen carbon atoms; and phenyl.