Abstract: The present invention provides an ethylene-aromatic vinyl compound copolymer having an aromatic vinyl compound content of from 1 to less than 55% by molar fraction, and otherwise defined in the claims, and compositions and molded products containing same.

Abstract: Polyvinyl chloride (“PVC”) compositions and articles are provided which are suitable for fabricating flexible, reflective roll-up roadway signs in which a fluorescent perylene imide dye is present in the PVC reflective layer. The compositions afford enhanced fluorescence durability of perylene imide fluorescent dyes in the articles through the combination of a polymeric hindered amine light stabilizing compound having molecular weight greater about 1500, and a benzophenone ultraviolet absorbing compound. The compositions and articles preferably further comprise a polymeric plasticizer having molecular weight in the range of about 2000 to about 8000 to provide enhanced retention of retroreflectivity in flexible PVC highway signs.

Abstract: Packing material with good gas barrier properties comprising a first and a second layer of a fibrous material or, e.g. paper or cardboard, and a layer of a water based polymer, e.g. polyvinyl alcohol, placed between and in direct contact with the layers of fibrous material and functioning both as a gas barrier and as a binding agent in the packaging material. The packaging material is produced through bringing together and binding together with each other a first and a second strip or sheet of a fibrous material by means of a layer of a water based polymer, e.g polyvinyl alcohol, applied between and in direct contact with the strips or sheets. The surplus water in the thus applied polymer layer is absorbed by the fibrous material in one and/or the other strip or sheet to form the intermediate layer functioning as gas barrier and binding agent.

Abstract: A process for latex preparation including: a first heating of a mixture of at least one free radical polymerizable monomer compound, a free radical initiator compound, and a stable free radical compound to form a latomer mixture with from about 1 to about 8 percent conversion of the monomer compound to an oligomeric compound of the formula I—R′—SFR, wherein R′ is an oligomer comprised of from about 1 to about 30 monomer units, I— is a covalently bonded free radical initiator fragment arising from the free radical initiator compound, and —SFR is a covalently bound stable free radical group; dispersing the resulting latomer mixture in water with high shear to form a miniemulsion; and a second heating of the miniemulsion, wherein there results a high stability polymer particle latex which contains a polymer with a high monomer to polymer conversion of from about 98 to about 100 weight percent and a narrow polydispersity of from about 1.1 to about 2.0.

Abstract: Novel polymer stabilizers are disclosed. The novel stabilizers have the general formula (R)qSn-(MR″-OCH2-R′CH]m-OT)4-q, P-[(OCH2-R′CH)mOT]3′ wherein M is O or S and R″is (CH2)pCO-, CO-(CH3)p, or CO(CH2)p-. About 0.005 to about 65 phr of the stabilizer can be used in a polymer having a halogen-containing repeating unit, such as poly(vinyl chloride), to reduce yellowing of an article made from the polymer after the article has been exposed to gamma radiation.

Abstract: Compositions which have substantial weatherability and impact resistance include a substantially uniform blend of an acrylonitrile/styrene/acrylic polymeric material and a wood component in an amount effective as a filler in the composition. Methods for making such compositions include forming a substantially uniform physical mixture of such polymeric material and wood component.

Abstract: The subject of the present invention is the use of zinc ateylacetonate comprising at least 4.4% by weight of water as halogenated polymer stabilizer. Its subject is likewise a process for the preparation of zinc acetylacetonate monohydrate, in which a zinc oxide and/or hydroxide and acetylacetone are brought into contact, in the presence of a solvent; the said solvent being used with a quantity of between 20 and 200 parts by weight, per 100 parts by weight of acetylacetone.

Abstract: A colorized fire retardant composition comprising a fire retardant and a colorant, wherein the colorant is an aqueous dispersion of a pigment formed by polymerizing at least one monomer in the presence of at least one dye. The composition is particularly useful in combating and controlling fires by discharging the composition towards the fuel, or potential fuel, of a fire.

Abstract: A method of preparing a composition containing a fluorocarbon thermoplastic random copolymer comprising the steps of: (A) providing a mixture having: (i) a fluorocarbon thermoplastic random copolymer having subunits of: —(CH2CF2)x—, —(CF2CF(CF3)y—, and —(CF2 CF2)z—,  wherein x is from 1 to 50 or 60 to 80 mole percent, y is from 10 to 90 mole percent, z is from 10 to 90 mole percent, x+y+z equals 100 mole percent; (ii) a filler comprising zinc oxide; (iii) a curable amino functional polydimethyl siloxane copolymer comprising aminofunctional units selected from the group consisting of (aminoethylaminopropyl) methyl, (aminopropyl) methyl and (aminopropyl) dimethyl; and (iv) antimony-doped tin oxide particles; (v) a bisphenol residue curing agent; and (B) curing the mixture for 5 to 10 hours at a temperature in the range of 25° C. to 275° C.

Abstract: The present invention describes halogenated polymer resins stabilized with one or more co-stabilizers, at least one co-stabilizer comprising a synthetic crystalline aluminosilicate of the formula M2/nO.Al2O3.ySiO2.wH2O, in which M is a charge balancing cation, n is the valence of M and is 1 or 2, y is the number of moles of SiO2 per mole of Al2O3, and is 1.85 to 15 with a preferred range of about 2 to 5, and w is the moles of water of hydration per molecule of said aluminosilicate, wherein said aluminosilicate has a mean crystallite size in the range of about 0.01 &mgr;m to about 1 &mgr;m and a mean particle size in the range of about 0.1 to 10 &mgr;m. Also described is a method for stabilizing halogenated polymers such as PVC and CPVC by incorporating said aluminosilicate into a formulation thereof. A zeolite process improvement for creating a dehydrated zeolite that does not substantially rehydrate is also described.

Abstract: A method of making an article from polyvinyl chloride compound that has a predetermined amount of gloss is disclosed. Samples of the resin are prepared that have different molecular weight distributions. Articles are made from the samples and the gloss of the articles is measured. The relationship between the molecular weight distributions of the samples and the gloss of the articles made therefrom is determined. From that relationship, an article is made from a resin selected such that its molecular weight distribution corresponds to the predetermined amount of gloss.

Abstract: Novel low VOC solvent-based adhesives are provided, comprising a mixture of low vapor pressure, isomeric dimethyl-2-piperidones (DMPD) blended with (1) a non-solvent diluent, specifically, acetone (a VOC-exempt compound), or with mixtures of acetone and other known ketonic solvents such as methyl ethyl ketone (MEK), diethyl ketone (DEK), methyl propyl ketone (MPK), and methyl iso-butyl ketone (MIBK), cyclohexanone, and (2) thermoplastic PVC or CPVC resins. Omission of the resin provides a novel primer for pipes. The blended mixture yields PVC or CPVC pipe adhesives and primers that: (1) result in low VOC formulas (e.g., less than 510 g/l for PVC pipe and less than 490 g/l for CPVC pipe); (2) are very economical in the industry; (3) yield strong, quick setting, durable pipe joints that meet the required standards and performance criteria (e.g., ASTM D-2564 lap shear for PVC); (4) yield stable, low viscosity solutions that, in the case of adhesives, can be readily adjusted with thixotropes (e.g.

Abstract: The present invention comprises a composition for coating synthetic grain leather having both dynamic water repellency and oil repellency comprising a copolymer or blend of copolymers and a polyurethane resin in solvent.

Abstract: A process for making a PVDF-based powder coating compositions using a co-coagulation process and compositions comprising co-coagulated PVDF, co-coagulated PVDF-based powder coating compositions and substances coated with these compositions. Vinylidene fluoride polymer latex compositions are mixed with compatible thermoplastic polymer latex, such as acrylic polymer latex, and a coagulant is added. The coagulant precipitates the vinylidene fluoride and polymer, and the precipitant is filtered and dried forming the powder coating. The powder coating is homogenous. The coating comprises no solvents and can be applied to a number of substrates.

Abstract: A chlorinated vinyl chloride resin composition containing a chlorinated vinyl chloride resin which has a polymerization degree of from 600 to 1500 prior to chlorination and a chlorination degree of from 62 to 70 wt. %, an impact modifier, a stabilizer, a lubricant and titanium dioxide, wherein the content of zinc in titanium dioxide is 0.1% or less, which has improved thermal stability.

Abstract: A process of producing a vinyl chloride fiber with a small fineness having seven-tenth to half of the full luster surface and feel remarkably similar to human hair is provided. The process provides the vinyl chloride fiber comprising a vinyl chloride resin composition obtained by formulating (a) 1-35 parts by weight of ethylene-vinyl acetate resin, (b) 0.2-5.0 parts by weight of thermal stabilizer, and (c) 0.2-5.0 parts by weight of lubricant to 100 parts of a vinyl chloride mixture consisting of 100-60% by weight of a vinyl chloride resin and 0-40% by weight of chlorinated vinyl chloride resin. The process also provides the vinyl chloride fiber obtained by melt spinning the resin composition described above. The vinyl chloride fiber is useful for an artificial hair fiber for the decoration of hair or a doll's hair fiber such as a doll hair.

Abstract: A chlorinated vinyl chloride resin composition containing a chlorinated vinyl chloride resin which has a polymerization degree of from 600 to 1500 prior to chlorination arid a chlorination degree of from 62 to 70 wt. %, an impact modifier, a stabilizer, a lubricant and titanium dioxide, wherein the content of zinc in titanium dioxide is 0.1% or less, which has improved thermal stability.

Abstract: An interpolymer consisting essentially of units derived from vinyl fluoride and at least two highly fluorinated monomers, at least one of the highly fluorinated monomers introducing into the polymer a side chain of at least one carbon atom. Films from these interpolymers have substantially reduced haze, low surface tension, and can be made to form solutions in common polar organic solvents that are stable at room temperature. The extremely low surface tensions obtained with these interpolymer films provide enhanced stain resistance and improved release properties compared to polyvinyl fluoride or known vinyl fluoride interpolymers.

Abstract: A formulation based on polyvinyl chloride compounds (PVC) particularly to high mechanical resistance compounds, specially with regard to abrasion. The composition does not have heavy metal based stabilizers and is used for insulation of thin wall automotive primary cable. The present invention includes a process to prepare said formulation.

Abstract: In PVC polymer formulations for sheathing for electric wires and cables, it has been determined that antimony trioxide and divalent metal (e.g. zinc) stannate or hydroxystannate cat provide a synergistic flame-retardant additive combination. In this invention, polymer formulations using this flame-retardant additive combination contain not more than 1.5 wt. % of antimony trioxide.

Abstract: A surface-fluorinated metal oxide particulate comprising a metal oxide particulate selected from titanium, aluminum, silicon, silver, copper, zirconium, zinc, tin, germanium, tantalum and the like, being reacted with fluorine and a process for manufacturing such surface-treated metal oxide particulates are disclosed. The process allows easy and efficient fluorination of the surface of metal oxide particulates in any desired ratio. The surface-fluorinated metal oxide particulates of the present invention are useful as an additive for weatherable paints, weatherable resins, cosmetics and the like.

Abstract: Separator materials for secondary lithium batteries comprising as the base material a vinylidene fluoride-hexafluoropropylene (VdF-HFP) copolymer resin, wherein polymer particles having a higher softening point than the copolymer are blended and dispersed in the separator. As the polymer particles, fluorinated polymer particles are preferable. The separator materials for secondary lithium batteries are free from short-circuiting during the step of the heat lamination of the separator on electrode membranes.

Abstract: A water based coating composition which does not require a primer for application over wood, masonry, metal, vinyl siding and previously painted surfaces and can be applied over these surfaces in a single coat to provide the tannin blocking, hiding, corrosion resistance and durability of a conventional primer plus two coats of latex paint.

Abstract: Flexible PVC hose can be used with toilet systems in vehicles, such as boats, recreational vehicles, etc, or at pumpout stations. The hose includes about 40-55% by weight PVC resin, and at least 10% by weight of an EVA high molecular weight plasticizer. The hose also typically includes a low molecular weight plasticizer, stabilizer, lubricant, filler (such as 5-20% by weight dense filler like calcium carbonate), and pigment. The hose typically will not fail (that is will not transmit odor) for the life of the toilet system, or mechanical life of the hose.

Abstract: In a first aspect, the invention provides a diol latex composition comprising: (a) latex polymer particles comprising a residue of an ethylenically unsaturated monomer, wherein the latex polymer particles have a size below 1000 mn; (b) a surfactant; and (c) a continuous liquid phase comprising a diol component, wherein the diol component comprises from 60 to 100% by weight of the continuous phase, wherein the latex polymer particles are dispersed in the continuous phase.

Abstract: A method of preparing a surface treated barium sulfate product is disclosed which has improved dispersibility in end use applications such as polymeric formulations. The method includes mixing a silicon-hydride containing polysiloxane, in neat or in aqueous emulsion form, with a quantity of barium sulfate particles and then optionally drying the resultant mixture. The silicon-hydride containing polysiloxane is deposited on and chemically bonded to the surface of the barium sulfate particles.

Abstract: A process for the production of cationic layer compounds wherein layer compounds corresponding to general formula (I):--[E.sub.e Z.sub.z D.sub.d V.sub.v (OH.sup.-).sub.x ](A.sup.n-).sub.a.qH.sub.2 O-- (I)in whichE is a monovalent cation from the group consisting of alkali metals,e is a number of 0 to 2,Z is a divalent metal cation,z is a number of 0 to 6,D is a trivalent metal cation,d is a number of 0 to 3,V is a tetravalent metal cation,v is a number of 0 to 1,(A.sup.n-) is an acid anion having the charge n- where n is an integer of 1 to 3,q is a number of 1 to 10,with the proviso that x>a and e+2z+3d+4v=x+na, are subjected to alkali-induced ripening in aqueous medium wherein the alkali metal hydroxide content of said aqueous medium is adjusted to a value in the 1- to 6-molar range, the crystallization temperature is adjusted to a value in the range from 60.degree. C. to 100.degree. C., and the crystallization time is adjusted to a value in the range from 2.5 to 50 hours.

Abstract: The invention relates to a composition containing organotin maleates such as is obtained by reacting a mixture of a low molecular weight alcohol or epoxyalkane and of a high molecular weight alcohol or epoxyalkane with maleic anhydride and by then bringing the mixture thus obtained into contact with a dialkyltin oxide. The invention also relates to poly(vinyl chloride) (PVC) composition stabilized and lubricated using the said composition based on organotin maleates and also to the extruded rigid objects formed from the said PVC compositions.

Abstract: The invention relates to a fusible stabiliser combination for thermoplastic polymers with the features of the main claim. The invention also relates to a process for the preparation of said combination, and thermoplastic polymers produced by the use thereof.

Abstract: A durable colored article having fluorescent properties comprises a substantially solventless polyvinyl chloride matrix, a thioxanthene fluorescent dye, and a secondary or tertiary hindered amine light stabilizer having a molecular weight less than about 1000 grams/mole. The invention has the advantage in that it provides a flexible polyvinyl chloride film that exhibits durable fluorescent colors.

Abstract: The invention relates to aqueous crosslinking polymer dispersions which are characterized in that they consist ofA) 98 to 80 wt. % of a 40 to 60% aqueous alkaline polymer dispersion based on 2-chlorobuta-1,3-diene, with a pH of .gtoreq.9.5 and a chloride content, arising from the elimination of chlorine atoms from the polymer, of .gtoreq.300 ppm, andB) 2 to 20 wt. % of polyisocyanates obtained by the cyclotrimerization of aliphatic and/or cycloaliphatic diisocyanates, containing NCO groups bonded predominantly or exclusively as secondary groups,and to their use for the preparation of water-based adhesives.

Abstract: A method for treating plastics, which is feasible on plastics containing films mixed therein, which is capable of performing dehydrochlorination simultaneously, and which provides processed plastics capable of being easily size-reduced. The method includes mixing the plastics with an organic solvent at a temperature not lower than 150.degree. C.; allowing the plastics to dissolve and/or swell; removing the organic solvent or both the organic solvent and low-boiling point components from the treated solution thereafter; and solidifying the resulting product. The method can produce solid fuels and reducing agents for ores.

Abstract: Disclosed is a process for the making a polyvinylchloride/acrylonitrile-butadiene rubber blend by a) coating a polyvinylchloride resin with a stabilizer to form a precoated PVC; b) blending said precoated PVC with one or more acrylonitrile-butadiene rubbers to form a prestabilized NBR/PVC blend; and c) applying heat and pressure to intimately blend said prestabilized NBR/PVC blend into a fluxed NBR/PVC blend. Another aspect is a novel polyvinylchloride/acrylonitrile-butadiene rubber blend having a stabilizer homogeneously and uniformly distributed throughout the microscopic polyvinylchloride domains.

Abstract: A stabilizer combination, principally for PVC, is described which essentially comprisesA) at least one zinc compound of the formula IZn(R.sup.1 R.sup.2) (I)andB) at least one metal compound of the formula IIMe.sup.n+ (R.sup.3.sub.a R.sup.4.sub.b R.sup.5.sub.c) (II)in which Me is Al, Mg, Na or K,a, b and c are 0, 1, 2 or 3,n=a+b+c and can be from 1 to 3, and at least one radical R.sup.1 to R.sup.5 independently of one another are C.sub.1 -C.sub.22 carboxylates, C.sub.2 -C.sub.21 alkenyl-CO.sub.2 --, phenyl-CO.sub.2 --, naphthyl-CO.sub.2 --, C.sub.5 -C.sub.12 cycloalkyl-CO.sub.2 --, C.sub.7 -C.sub.18 alkylphenyl-CO.sub.2 --, C.sub.7 -C.sub.18 alkylphenyl-O--, C.sub.7 -C.sub.9 phenylalkyl-CO.sub.2 --, C.sub.1 -C.sub.21 -alkyl-O--, R.sup.8 --O--CO--[CH.sub.2 ].sub.p --S-- or a radical of the formula R.sup.6 --CO--CH.dbd.CR.sup.7 --O.sup..crclbar.

Abstract: The invention relates to a composition containing high molecular weight organotin maleates as obtained by reacting a high molecular alcohol or epoxyalkane with maleic anhydride and by then bringing the mixture thus obtained into contact with a dialkyltin oxide.The invention also relates to the poly(vinyl chloride) (PVC) compositions stabilized using the said composition based on high molecular weight organotin maleates and also to the extruded rigid items formed from the said PVC compositions.

Abstract: A novel compound bearing urethane linkage of formula as shown herebelow, which is an adduct of ricinoleic ester and isocyanate, useful as a plasticizer for polyvinylchloride (PVC) and a process for the preparing the compound bearing urethane linkage by reacting fatty acid esters bearing hydroxyl groups with an organic isocyanate in the presence of a catalyst at a temperature in the range of 30.degree.-100.degree. C.

Abstract: Curative compositions of amine terminated polyamide resins blended with a deaminated bis-(p-aminocyclohexyl)methane composition (DeAms) are useful for curing adhesive epoxy resin compositions. The polyamides comprise combinations of fatty mono-acids, dimer acids, polyethyleneamines, and piperazine ring containing polyamines which are piperazine or N-aminoalkylpiperazine, where the alkyl chain is a C2 to C6 alkyl chain, wherein the ratio of equivalents of fatty mono-acid to dimer acid can range from about 0.001:1 to about 1:1, the ratio of moles of piperazine ring containing polyamine to polyethylene amine can range from about 0.1:1 to about 1:1, and the ratio of moles of polyamine to equivalents of acid can range from about 0.6:1 to about 1.2:1. DeAms is blended at 2 to 40 wt % based on polyamide. Adhesive compositions comprising these curatives are also disclosed.

Abstract: Flexible PVC hose can be used with toilet systems in vehicles, such as boats, recreational vehicles, etc, or at pumpout stations. The hose includes about 40-55% by weight PVC resin, and at least 10% by weight of an EVA high molecular weight plasticizer. The hose also typically includes a low molecular weight plasticizer, stabilizer, lubricant, filler (such as 5-20% by weight dense filler like calcium carbonate), and pigment. The hose typically will not fail (that is will not transmit odor) for the life of the toilet system, or mechanical life of the hose.

Abstract: A chlorine-containing resin composition and molded products thereof comprising a chlorine-containing resin and at least one of lithium compounds selected from the group consisting of lithium hydroxide, lithium hydroxide monohydrate and lithium carbonate, wherein the at least one of lithium compounds is uniformly dispersed within the chlorine-containing resin.

Abstract: The latex is treated by passage through a heat exchanger consisting of a closed chamber 1 divided into two distinct superposed parts, the unobstructed upper part 3 being placed under reduced pressure and communicating with a plant for recovery of the residual monomer or monomers, and the lower part 4 being equipped with a partitioning 9 bounding two separate extended and adjoining circuits 10 and 11, one of the circuits 10 being traversed by the latex to be treated and being maintained in communication, via its top and over its entire path, with the upper part 3 of the chamber, and the other circuit 11, isolated from the upper part 3 of the chamber, being traversed by a heat-transfer fluid maintained at a temperature of 40 to 100.degree. C.Preferably, the two circuits 10 and 11 are bounded by a partitioning 9 arranged in the form of a double spiral.

Abstract: A method of treating paint sludge containing uncured polymer resin, water and/or solvent is provided in which a paint sludge putty is formed which may be used as a replacement for polymeric components used to form compounded polymeric compositions. The treated paint sludge putty or powder comprises from about 5 to 90% by weight of the total compounded polymeric composition and may be used in a variety of compositions including pressure sensitive sealants, caulking sealants, automotive sealants, polyvinyl chloride plastics, rubbers and asphalt cement coatings, and waterbased sealers and coatings.

Abstract: An aqueous fluororesin coating composition and a process for producing the same, the coating composition comprising a core/shell fluorine-containing copolymer dispersed in an aqueous medium, the core/shell fluorine-containing copolymer comprising a core comprising a fluorine-containing copolymer comprising a repeating unit derived from a fluoroolefin monomer and a repeating unit derived from a vinyl carboxylate monomer and having a glass transition point Tg of 40.degree. C. or more, and a shell comprising a fluorine-containing copolymer comprising a repeating unit derived from a fluoroolefin monomer and a repeating unit derived from a vinyl carboxylate monomer and having a glass transition point Tg of from -10 to 30.degree. C., the weight ratio of the core to the shell being from 20/1 to 1/2.

Abstract: The invention relates to a method for forming a composition comprising a thermoplastic composite in the form of a linear profile extrudate. Such a profile comprises a structural member having improved tensile strength, flex modulus, impact resistance and other improved structural properties. The invention involves a unique extruder configuration having a change in direction for the resin and fiber that optimizes the composite strength by promoting the random orientation of the fibers resulting in improved structural properties. Further, because of the change in direction, the extruder can include a cooling feature that cools the profile interior as the profile leaves the exit die thus increasing the physical properties, productivity and quality of the product.

Abstract: Compounded polymeric compositions containing processed paint sludge putty as a replacement for polymeric components are provided. The paint sludge comprises from about 5 to 90% by weight of the total compounded polymeric composition and may be decatalyzed so that it contains uncured polymer for use in a variety of compositions including pressure sensitive sealants, caulking sealants, automotive sealants, polyvinyl chloride plastics, rubbers and asphalt cement coatings.

Abstract: Materials not releasing gaseous organic materials during use are used as a dry-type sealing material such as a gasket disposed upon mounting an air filter to an opening of a ceiling or the like, a wet-type sealing material filled and used in a gap for connecting wall materials or partitionings, a vinyl chloride sheet or a vinyl chloride cloth as a facing material for walls and floors. Specifically, a carboxylic acid ester having a molecular weight of not less than 400 is used as a plasticizer, a phenolic compound having a molecular weight of not less 300 is used as an antioxidant, an aliphatic hydrocarbon having not less than 19 carbon atoms (for example, microcrystalline wax) is used as a lubricant, and an alkylamine ethylene oxide adduct having a molecular weight of not less than 350 is used as an antistatic agent.

Abstract: Impact dispersing compositions, comprising a mixture of a Component A and a Component B. Component A is itself a mixture of polyvinyl chloride and plasticizers (softeners), while Component B is urethane. The compositions may be used in a variety of ways to absorb and dissipate impact forces.

Abstract: Disclosed are coating compositions, wearlayer compositions and surface covering products which utilize wearlayer compositions. The wearlayer compositions of the present invention are capable of at once exhibiting high initial gloss values and excellent resistance to scuff, stain and gloss loss. Such wearlayer compositions are produced utilizing curable coating compositions which comprise thermoplastic polymer, from about 3% by weight to about 25% by weight of plasticizer for the thermoplastic polymer and at least about 30% by weight of reactive crosslinking agent. The weight ratio of the thermoplastic polymer to the crosslinking agent is preferably no greater than about 2:1.

Abstract: Improved activation of the blowing agent used to form blown PVC products, as well as thermal stabilization, are provided by a combination of an ester of the formula(R.sup.1).sub.1-2 Sn(--S--R.sup.a --OC(.dbd.O)R.sup.2).sub.2-3wherein R.sup.1 is C.sub.1-4 alkyl, R.sup.a is alkyl, and R.sup.2 is C.sub.6-24 alkyl or alkenyl; one or both of mono (C.sub.1-4 alkyl) and di(C.sub.1-4 alkyl) tin sulfides; a complex of diorganotin oxide with an oxygen-containing acid; and optionally an ester HS--R.sup.c --OC(.dbd.O)R.sup.3 wherein R.sup.c is alkyl and R.sup.3 is C.sub.6-24 alkyl or alkenyl.

Abstract: A coating material for coating a substratehas been invented, the coating material including solvent, chlorosulfonated polyethylene dissolved in the solvent, hardener, and strengthener material. A process for producing a coating material for coating a substrate has been invented, the process including reacting chlorosulfonated polyethylene with an amino silane producing reaction product by the cross-linking of the chlorosulfonated polyethylene with the amino silane, adding carbon black to the reaction product, adding kaolin clay to the reaction product, and dissolving the reaction product, carbon black, and kaolin clay in a solvent forming a solution, the solution applyable to a substrate to form a coating thereon upon evaporation of the solvent.

Abstract: A heat shrinkable silicone tube is prepared from a silicon rubber composition comprising (A) a diorganopolysiloxane, (B) a thermoplastic resin, (C) finely divided silica, (D) an inorganic filler of titanium white, alumina, quartz powder or talc having a mean particle size of 0.5-15 .mu.m, and (E) a curing agent by extrusion molding the silicone rubber composition into a tubular shape preferably at a drawdown of 150-250%, vulcanizing the tube, and heat stretching the tube in a radial direction. The tube exhibits axial orientation during the stretching step and a shrinking step subsequent thereto and is thus tearable.