Abstract: A high efficiency acrylic based impact modifier including a rubber weight fraction of at least 70% and an ultra-high molecular weight acrylic process aid with a molecular weight of at least 15 million grams/mol.

Abstract: A method for reducing chatter in an extrusion process, which includes the steps of preparing an extrusion composition by combining a polymer composition with a chatter-reducing formulation, and extruding the extrusion composition to provide a substantially continuous extrudate. The chatter-reducing formulation comprises an alkyltin mercaptide and dibutyltin dilaurate. The resultant extrudate exhibits reduced chatter, which is categorized according to the Reed Scale as less than or equal to 2.

Abstract: A method for reducing chatter in an extrusion process, which includes the steps of preparing an extrusion composition by combining a polymer composition with a chatter-reducing formulation, and extruding the extrusion composition to provide a substantially continuous extrudate. The chatter-reducing formulation comprises an alkyltin mercaptide and dibutyltin dilaurate. The resultant extrudate exhibits reduced chatter, which is categorized according to the Reed Scale as less than or equal to 2.

Abstract: An alkyltin compound of specified formula which has utility as an excellent stabilizer for a halogen-containing resin. The alkyltin compound has from 1-3 terminal thiol groups.

Abstract: An alkyltin compound of specified formula which has utility as an excellent stabilizer for a halogen-containing resin. The alkyltin compound has from 1-3 terminal thiol groups.

Abstract: An alkyltin compound of specified formula which has utility as an excellent stabilizer for a halogen-containing resin. The alkyltin compound has from 1-3 terminal thiol groups.

Abstract: Disclosed herein is a process for improving mechanical and chemical properties of a composite of poly(vinyl chloride) and at least one natural fiber comprising adding to said composite at least one heat stabilizer selected from the group consisting of: A) alkyltin reverse esters-sulfides; B) alkyltin alkyl maleates; and C) complex mixtures of calcium and/or zinc carboxylates/acetylacetonates.

Abstract: A liquid microemulsion stabilizer for chlorinated polymers composition for stabilizing halogen-containing polymer comprising: a) a microemulsion of an overbased metal carbonate/carboxylate obtained from the reaction of an oxide and/or hydroxide of a metal selected from the group consisting of sodium, potassium, calcium, magnesium, zinc and mixtures thereof, an aliphatic carboxylic acid in which the aliphatic moiety contains up to about 30 carbon atoms and carbon dioxide in the presence of a solvent for the aliphatic carboxylic acid, a promoter and a microemulsion-forming amount of surfactant; and, b) an organotin stabilizer.

Abstract: A steel reinforcement bracket attaches to an aluminum rib of a frame of a dish antenna to relieve the stress causing fatigue in the rib. The bracket is shaped in such a way so as to allow a cradle bracket gripping opposite sides of the rim to form a flat surface against the rib. The reinforcement bracket is secured to the rib and cradle bracket with bolts so as to transfer the stress on the rib to the reinforcement bracket.