摘要:
A stabilizer composition for halogenated polymers includes at least one compound from group A) and at least one compound from group B), group A) being composed of semicarbazides, carbazides, carbazones, and carbodiazones, and their salts, and group B) of guanidines and melamines, superacids and salts of superacids, epoxy and glycidyl compounds, 1,3-dicarbonyl compounds, polyols, sterically hindered amines, hydrotalcites, zeolites, and alkali metal aluminocarbonates, hydrocalumites, metal hydroxides, metal oxides, metal hydrogen carbonates, and metal carbonates, metal soaps, organotin compounds, organic phosphite esters, amino alcohols and hydroxyl-containing isocyanurates, α,β-unsaturated β-aminocarbonyl compounds, aminouracil compounds and aminothiouracil compounds, and compounds having at least one mercapto-functional, sp2-hybridized C atom. Polymers stabilized in accordance with the invention are notable in particular for improved initial color and also for improved color maintenance.
摘要:
The present invention relates to a solid salt preparation with improved ease of handling, which comprises a mixture composed of a salt of a halogen-containing oxy acid and of a solvent. The present invention further relates to a process for the production of these salt preparations and also to their use, in particular in stabilizer compositions for halogen-containing polymers.
摘要:
The present invention is directed to processes for the preparation of a processing aid for vinyl polymers, to processing aids prepared in accordance with the process of the invention and to polymer compositions comprising such processing aids.
摘要:
The invention relates to a method for manufacturing melts that contain CaO or Ca(OH)2 or both, to melt-shaped bodies so produced and to the use of said melt-shaped bodies for stabilizing preferably halogen-containing polymers.
摘要:
The present invention is a stabiliser composition for halogen-containing polymers, comprising a salt of a halogen-containing oxy acid and an inorganic or organic acid or an inorganic base. The present invention relates also to a process for the preparation of such stabiliser compositions and to halogen-containing polymers comprising such stabiliser compositions.
摘要:
The invention is a polymer composition and a method of preparing same, wherein the polymer composition comprises at least one perchlorate and at least one organic solvent. The polymer composition is preferably for use with halogen-containing polymers.
摘要:
A stabiliser composition for foams of halogen-containing polymers, comprising from 0.01 to about 50% by weight of at least one salt of a halogen-containing oxyacid and from 0.5 to about 50% by weight of at least one blowing agent, both based on the total weight of the stabiliser composition.
摘要:
The present invention is a stabiliser composition for halogen-containing polymers, comprising a salt of a halogen-containing oxy acid and an inorganic or organic acid or an inorganic base. The present invention relates also to a process for the preparation of such stabiliser compositions and to halogen-containing polymers comprising such stabiliser compositions.
摘要:
The present invention is a stabiliser composition for halogen-containing polymers, comprising a salt of a halogen-containing oxy acid and an inorganic or organic acid or an inorganic base. The present invention relates also to a process for the preparation of such stabiliser compositions and to halogen-containing polymers comprising such stabiliser compositions.
摘要:
The present invention is a stabilizer composition for halogen-containing polymers comprising at least one organic onium perchlorate and at least one organic solvent. The present invention also includes a solid stabilizer comprising at least one organic onium perchlorate and a stabilizer comprising phosphonium perchlorate. The present invention also includes a polymer composition containing the onium perchlorate stabilizer and a formed body comprising the polymer composition. The present invention further includes a process for producing the onium perchlorate stabilizer and a method of stabilizing polymers comprising mixing the onium perchlorate stabilizer with the polymer.