Abstract: The purpose of the present invention is to provide a rubber composition with which it is possible to produce a tire that retains wear resistance and has excellent frictional force on ice, and a pneumatic tire using the rubber composition. The rubber composition of the present invention is a rubber composition comprising a diene rubber, carbon black and/or a white filler, and a master batch prepared by premixing a non-diene rubber and an organic peroxide, wherein a total content of carbon black and white filler is from 20 to 70 parts by mass per 100 parts by mass of diene rubber and a content of the non-diene rubber in the master batch is from 3 to 30 parts by mass per 100 parts by mass of the diene rubber.

Abstract: A modelling material contains a binder in the form of a plastisol, wherein the plastisol contains essentially PVC (polyvinyl chloride) and at least one phthalate-free plasticizer. The phthalate-free plasticizer is citric acid-based, adipic acid-based, or benzoate ester-based. The material contains 5% by weight to 95% by weight PVC; 5% by weight to 30% by weight phthalate-free plasticizer; 0% by weight to 10% by weight stabilizer; 0% by weight to 10% by weight co-stabilizer; 0% by weight to 75% by weight fillers; 0% by weight to 5% by weight coloring agent; and 0% by weight to 5% by weight other additives.

Abstract: Provided is a cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxylate which exhibits superior plasticizing property for PVC resin. Instead of a phthalate- or terephthalate-based aromatic ester derivative, 60% or more cis-dimethyl cyclohexane-1,4-dicarboxylate is used as a starting material. The 60% or more cis-dimethyl cyclohexane-1,4-dicarboxylate is subjected to transesterification with (C4-C20) primary alcohol to prepare 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxylate. Methanol produced as a byproduct during the transesterification is removed and some of the primary alcohol, which is evaporated, is recycled. Thus prepared 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxylate exhibits superior plasticizer characteristics, including good plasticizing efficiency for PVC resin, high absorption rate, good product transparency after gelling, less bleeding toward the surface upon long-term use, and the like.

Abstract: Disclosed is a saponified polymer-containing composition containing a saponified polymer (A), which is obtained by alkaline saponification of an ethylene-unsaturated carboxylic acid random copolymer, and a dimer acid (B).

Abstract: Provided is a rubber composition, which has excellent heat resistance, acid resistance, gas permeability resistance, and high-speed moldability, has low hardness and low counterforce, has excellent high-temperature compression set, and does not adhere to the metal of molds, etc. but is self-adhering with respect to organic resins. The rubber composition comprises: a predetermined ethylene/?-olefin/non-conjugated polyene copolymer [A]; a predetermined SiH group-containing compound [B-1] having two SiH groups per molecule and/or a predetermined SiH group-containing compound [B-2] having three SiH groups per molecule; and a predetermined methacrylic acid ester compound [C].

Abstract: A film contains a mixture of at least one non-aromatic plasticizer having a polarity, expressed by the formula 100×O/(C+H), of less than/equal to 9.4 wherein O, C and H represent the number of oxygen, carbon and hydrogen atoms in the respective molecule, and a polyvinyl (iso)acetal having a proportion of polyvinyl (iso)acetal groups of 60 to 85% by weight and a proportion of polyvinyl alcohol groups of 14 to 40% by weight. The films may be used in the automotive industry, in windscreens, in the field of architecture, in façade components, or for the production of photovoltaic modules.

Abstract: Oxo-diesters of cyclic olefins, methods of making them and their use as plasticizers in polymer compositions are disclosed.

Abstract: A method for preparation of secondary alcohols with a high proportion of hydroxyl group at the C2 position is disclosed. Alkyl carboxylates, high in alpha-methylcarboxylate content, are produced via reaction of an alpha-olefin and a carboxylic acid in the presence of a cerium catalyst. The resultant alkyl carboxylate is hydrolyzed to yield a secondary alcohol with a high 2-hydroxyl content. The secondary alcohol may be used to prepare esters, especially phthalate esters or cyclohexanoate diesters, which are useful as plasticizers. These esters are more effective as plasticizers than esters derived from other secondary alcohols due to their high C2 point of attachment.

Abstract: Esters of cyclohexane polycarboxylic acids are used as plasticizers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet light, improved low temperature properties, lower viscosity and improved processability as well as reduced smoke on burning. The esters of cyclohexane polycarboxylic acids may be used alone or in admixture with other plasticizers when the esters of cyclohexane polycarboxylic acids may act as viscosity depressants. Fast fusing plasticizers may also be included. The formulations are particularly useful in the production of a range of goods from semi-rigid to highly flexible materials and are particularly useful in the production of medical materials such as blood bags and tubing.

Abstract: The present invention relates to compositions comprising (i) as component (I), at least one molding composition comprising components A and B, where A) is a graft copolymer as component A, and B) is a thermoplastic copolymer as component B; and (ii) at least one cyclohexanepolycarboxylic acid derivative of the formula (I); as component (II) in which R1 is C1-C10-alkyl or C3-C8-cycloalkyl, m is 0, 1, 2, or 3, n is 2, 3, or 4, and R is hydrogen or C1-C30-alkyl; or the group —(COOR)n forms an anhydride of the formula where it is essential to the invention that component (I) comprises from 11 to 19.9% by weight of component A and from 80.

Abstract: Resin plasticizers are produced by esterification of keto acids derived from acylation of aromatic compounds with cyclic anhydrides, and are particularly useful in making phthalate-free articles using PVC.

Abstract: Provided are thermoplastic elastomer compositions, many dynamically vulcanized, with superior crystallization kinetics, methods for making the compositions and articles made therefrom. The thermoplastic elastomer compositions comprise at least a propylene polymer thermoplastic, a rubber and a crystallization additive. The processes for preparation of the thermoplastic elastomer compositions comprises dynamic vulcanization of mixture of a propylene polymer thermoplastic, a rubber and a cure agent followed by addition of a crystallization additive. Further, preparation of articles from the thermoplastic elastomer compositions may be accomplished through traditional thermoforming operations useful with conventional thermoplastics.

Abstract: The invention relates to an adhesive or sealant comprising at least (A) 10% to 90% by weight of a compound selected from the group consisting of polyurethanes, polyureas, polyacrylates and polysulphides and at least (B) 1% to 50% by weight of a cyclohexanepolycarboxylic acid derivative, the adhesive or sealant containing no C4 to C8 alkyl terephthalate. The composition features a low glass transition temperature and also a low dirt pick-up tendency, without detriment to the further performance properties. An additional advantage of the proposed adhesives and sealants lies in their well-balanced mechanical properties. A process for preparing them, and their use for material bonds between parts to be joined, are disclosed.

Abstract: To provide a composition comprising a fluorocopolymer such as an ETFE which can be produced at a relatively low temperature, and its production process. A fluorocopolymer composition which comprises a fluorocopolymer such as an ETFE and a C6-10 aliphatic compound having one carbonyl group, and which is in a solution state being at a temperature of at most the melting point of the fluorocopolymer, and a process for producing the fluorocopolymer composition, which comprises a step of dissolving the fluorocopolymer in the aliphatic compound having one carbonyl group at a temperature of at most the melting point of the fluorocopolymer.

Abstract: The invention provides a compound of the formula: wherein Ar is selected from the group consisting of aryl, monosubstituted aryl and poly-substituted aryl, heteroaryl, monosubstituted heteroaryl and polysubstituted heteroaryl; Ar? is selected from the group consisting of aryl, monosubstituted aryl and polysubstituted aryl, heteroaryl, monosubstituted heteroaryl and polysubstituted heteroaryl; R is an alkylene radical having 2-20 carbon atoms; and n=1-20. The compounds of the invention are used with polymer resins to enhance their gas barrier properties.

Abstract: The present invention relates to an ester compound using alicyclic polyhydric acid and to a plasticizer for plastics, particularly, polyvinylchloride (PVC), including the ester compound More particularly, the present invention relates to a plasticizer, which is derived by the esterification reaction of alicyclic polyhydric acid and alcohol. When a polyvinylchloride resin is manufactured using the plasticizer, there are advantages in that the obtained products are excellent in terms of plasticizing efficiency, and in that their physical properties, such as hardness, tensile strength and the like, can be improved.

Abstract: Esters of cyclohexane polycarboxylic acids are used as plasticisers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet light, improved low temperature properties, lower viscosity and improved processability as well as reduced smoke on burning. The esters of cyclohexane polycarboxylic acids may be used alone or in admixture with other plasticisers when the esters of cyclohexane polycarboxylic acids may act as viscosity depressants. Fast fusing plasticisers may also be included. The formulations are particularly useful in the production of a range of goods from semi-rigid to highly flexible materials and are particularly useful in the production of medical materials such as blood bags and tubing.

Abstract: Polymer articles formed from a modified propylene based polymer and processes of forming the same are described herein. The modified propylene based polymers generally include a propylene based polymer, a nucleator including a hyper nucleator, and a neutralizer composition, wherein the neutralizer composition includes a first compound selected from stearoyl lactylates, lactates, hydrotalcites, hydroxides and combinations thereof and may optionally include a second compound selected from metal stearates, wherein the lactates are selected from modified calcium salts derived from stearic and lactic acids and calcium lactates.

Abstract: Fibrous basic magnesium sulfate-containing pellets comprising an olefin polymer and fibrous basic magnesium sulfate in a weight ratio of 80:20 to 20:80 and further comprising a nucleating agent in an amount of 0.3 to 8 weight parts based on 100 weight parts of the olefin polymer and in an amount of 0.2 to 4 weight parts based on 100 weight parts of the fibrous basic magnesium sulfate are favorably employable for producing molded fibrous basic magnesium sulfate-containing propylene polymer products which show high flexural modulus, high flexural strength and high yield strength in tension as well as excellent thermal stability.

Abstract: At least one esterified fatty acid, particularly a fatty acid from tall oil that undergoes a Diels-Alder reaction or a fatty acid from oleic sunflower oil that undergoes an epoxydation reaction, is used as a PVC plasticizer, particularly for floor coverings.

Abstract: Esters of cyclohexane polycarboxylic acids are used as plasticisers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet light, improved low temperature properties, lower viscosity and improved processability as well as reduced smoke on burning. The esters of cyclohexane polycarboxylic acids may be used alone or in admixture with other plasticisers when the esters of cyclohexane polycarboxylic acids may act as viscosity depressants. Fast fusing plasticisers may also be included. The formulations are particularly useful in the production of a range of goods from semi-rigid to highly flexible materials and are particularly useful in the production of medical materials such as blood bags and tubing.

Abstract: The present invention concerns a substrate carrying a delayed-tack formulation, wherein said delayed-tack formulation becomes tacky on heat activation to allow sealing between the substrate and itself or between the substrate and a further material, so that the resultant seal can be pealed open mechanically without damaging or destroying said substrate or said further material, and so that said formulation possesses re-tack properties to allow subsequent resealing.

Abstract: Temperature switchable adhesives formed by combining a pressure sensitive adhesive, which does not exhibit temperature switchable properties, with a crystallizable oil are described. These temperature switchable adhesives exhibit a sharp reduction in peel strength when the temperature is raised above the switching temperature. The adhesive properties of these adhesives may be readily tuned by adjusting the ratio of the elastomer, tackifier, and the crystallizable oil, and by choosing different crystallizable oils. The temperature switchable adhesives have use in medical, consumer, and industrial applications.

Abstract: Provided is a method for preparing 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxy-late which exhibits superior plasticizing property for PVC resin. Instead of a phthalate- or terephthalate-based aromatic ester derivative, 60% or more cis-dimethyl cyclo-hexane-1,4-dicarboxylate is used as a starting material. The 60% or more cis-dimethyl cyclohexane-1,4-dicarboxylate is subjected to transesterification with (C4-C20) primary alcohol to prepare 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxylate. Methanol produced as a byproduct during the transesterification is removed and some of the primary alcohol, which is evaporated, is recycled. Thus prepared 60% or more cis-di(C4-C20)alkyl cyclohexane-1,4-dicarboxylate exhibits superior plasticizer characteristics, including good plasticizing efficiency for PVC resin, high absorption rate, good product transparency after gelling, less bleeding toward the surface upon long-term use, and the like.

Abstract: The invention provides an adhesive or sealant comprising at least (A) one compound selected from the group consisting of silylated polyurethanes, silylated polyureas, silylated polyethers, silylated polysulfides and silyl-terminated acrylates, and at least (B) one cyclohexane polycarboxylic acid derivative. The composition has enhanced extensibility with good adhesion properties and high tensile strength. A process is disclosed for preparing the adhesive or sealant, and also disclosed is the use thereof for producing material bonds between parts to be joined.

Abstract: An encapsulating resin composition is provided, which gives a cured product having heat resistance, light resistance, and flexibility equivalent to those of silicone resins and having a refractive index of 1.57 or greater which is larger than that of epoxy resins. The encapsulating resin composition contains: a high refractive index acrylic-based or methacrylic-based monomer having a refractive index of 1.55 or greater; and a nonfunctional fluorene compound. In a preferred form, each of the high refractive index acrylic-based or methacrylic-based monomer and the nonfunctional fluorene compound has a 9,9-bisphenylfluorene skeleton.

Abstract: Plastisol compositions are disclosed containing methacrylate core/shell copolymer, non-phthalate ester plasticizers, pigment, filler, and thixotropic agent. Other additives are optional. The plasticizer is a blend of dibenzoate and DINCH. The plastisol can be used an ink of various colors for use in application to textiles. The plastisol compositions avoid polyvinyl chloride polymer resins and phthalate plasticizers conventionally employed in plastisol inks.

Abstract: The present invention provides an ester plasticizer, particularly, a plasticizer for a polyvinyl chloride (PVC) resin, and a plastic comprising the plasticizer. More concretely, the present invention provides a plasticizer prepared by the esterification reaction of diol and organic acid. When a polyvinyl chloride resin composition is manufactured using the ester plasticizer of the present invention, there are advantages in that a product having excellent plasticizing efficiency can be obtained, and in that the physical properties such as tensile strength and the like of the product are improved.

Abstract: Provided are compositions, processes for making, and processes for using neoalkyl polyol esters and triglycerides as plasticizers. In one form, a neoalkylester triglyceride plasticizers can be produced by (i) drying a polyol feedstream; (ii) contacting in a reactor the dried polyol feedstream with a neoacid feedstream under effective temperature, pressure and time to form a neoalkylester plasticizer effluent stream, and (iii) purifying the neoalkylester plasticizer effluent stream to remove unreacted polyol and unreacted neoacid to form a neoalkylester plasticizer. Such plasticizers can be phthalate-free and provide outstanding properties including a suitable melting or pour point, glass transition temperature, low volatility, increased compatibility, increased hydrolytic stability, and excellent low temperature properties in a range of polymeric resins.

Abstract: A solid phase change ink composition that includes at least one colorant and an ink vehicle. The ink vehicle further includes at least one polyhydroxyalkanoate compound of the below formula wherein R is independently selected from the group consisting of a hydrogen atom, a hydrocarbon group, a heteroatom, and combinations thereof, and wherein n represents the number of repeating units of from 1 to about 35,000, and wherein x represents an integer from 1 to about 5.

Abstract: A polyolefin composition containing elastomers (plasticizers), crystalline polypropylene, modified by mixing with polybutene-1 and a coupling agent and a bicyclic dicarboxyl acid salt nucleating agent and/or a lubricant which comprises an unsaturated fatty acid ester which acts as a surface modifier in a molded article is described. The composition is adapted to be used with pigments to make finished molded articles which have an appearance of paint covered by a clear coat and which are scratch resistant and have good low temperature (?30° C.) impact properties.

Abstract: Provided are compositions, processes for making, and processes for using mixed triglycerides as plasticizers. Triglyceride plasticizers can be produced by recovery of linear or branched C4 to C13 aldehydes from a hydroformylation product, oxidation to linear or branched C4 to C13 acids with oxygen and/or air, recovery of the resulting acids, combining the linear or branched C4 to C13 acid with benzoic acid, toluic acid or a combination thereof to form a mixed acid blend, and esterification of the mixed acid blend with glycerol, wherein the total carbon number of the triester groups ranges from 20 to 25 and includes from 1 to 2 aryl groups for greater than or equal to 45 wt % of the plasticizer. Such plasticizers can be phthalate-free and provide outstanding properties including a suitable melting or pour point, glass transition temperature, low volatility, increased compatibility, increased hydrolytic stability, and excellent low temperature properties in a range of polymeric resins.

Abstract: A polypropylene resin composition comprising (a) 100 parts by weight of a resin composition, which contains 51 to 99% by weight of a propylene polymer and 1 to 49% by weight of an ethylene polymer having a density of 0.85 to 0.93 g/cm3, and (b) 0.001 to 0.5 part by weight of a metal salt defined by a specific chemical formula; and a process for producing such a polypropylene resin composition, comprising the steps of (1) mixing 1 to 100 parts by weight of the metal salt with 100 parts by weight of the propylene polymer and/or the ethylene polymer, thereby producing a master batch, and (2) mixing the master batch with a mixture containing the propylene polymer and the ethylene polymer.

Abstract: The present invention relates to mixtures of citric esters of the formula I, in which each of R1, R2 and R3 is an aliphatic C5 or C9 moiety, characterized in that the average chain length of the aliphatic moieties in the mixture is in the range from greater than 5 to 7, and the average degree of branching of the aliphatic C9 moieties is in the range from 0.9 to 2.2. The present invention also relates to the use of the citric ester mixture according to the invention as plasticizer in plastics compositions. The present invention also relates to a composition comprising the citric ester mixture according to the invention in a mixture with further components, comprising plasticizers from the group of the alkyl esters of aromatic polycarboxylic acids, of the cyclohexanepolycarboxylic acids, of benzoic acid or of adipic acid, and also to the use of this type of plasticizer composition in plastics compositions, in adhesives, in sealing compounds, in coatings, in paints, in plastisols or in inks.

Abstract: Esters of cyclohexane polycarboxylic acids are used as plasticisers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet light, improved low temperature properties, lower viscosity and improved processability as well as reduced smoke on burning. The esters of cyclohexane polycarboxylic acids may be used alone or in admixture with other plasticisers when the esters of cyclohexane polycarboxylic acids may act as viscosity depressants. Fast fusing plasticisers may also be included. The formulations are particularly useful in the production of a range of goods from semi-rigid to highly flexible materials and are particularly useful in the production of medical materials such as blood bags and tubing.

Abstract: Oxo-diesters of cyclic olefins, methods of making them and their use as plasticizers in polymer compositions are disclosed.

Abstract: A method for forming the crosslinkable thermal interface materials disclosed herein comprises a) providing at least one saturated rubber compound, b) providing at least one amine resin, c) crosslinking the at least one saturated rubber compound and the at least one amine resin to form a crosslinked rubber-resin mixture, d) adding at least one thermally conductive filler to the crosslinked rubber-resin mixture, and e) adding a wetting agent to the crosslinked rubber-resin mixture. This method can also further comprise adding at least one phase change material to the crosslinked rubber-resin mixture. The contemplated thermal interface material can be provided as a dispensable liquid paste, a gel, a tape, or a film. Applications of the contemplated thermal interface materials described herein comprise incorporating the materials into a layered material, an electronic component or a finished electronic product.

Abstract: Esters of cyclohexane polycarboxylic acids are used as plasticisers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet light, improved low temperature properties, lower viscosity and improved processability as well as reduced smoke on burning. The esters of cyclohexane polycarboxylic acids may be used alone or in admixture with other plasticisers when the esters of cyclohexane polycarboxylic acids may act as viscosity depressants. Fast fusing plasticisers may also be included. The formulations are particularly useful in the production of a range of goods from semi-rigid to highly flexible materials and are particularly useful in the production of medical materials such as blood bags and tubing.

Abstract: Compositions based on slow fusing cyclohexanecarboxylic acid esters and at least one fast fusing plasticizer are useful as plasticizers for plasticizable polymers, particularly PVC.

Abstract: Rubber composition comprising at least one diene elastomer, one reinforcing filler and one 1,2-cyclohexanedicarboxylate diester plasticizer corresponding to the formula (R hydrocarbon radical): The invention also relates to the use of such a composition in the manufacture of a tyre or of a tyre semi-finished product made of rubber, in particular of a tyre tread exhibiting an improved wet grip, without adversely affecting its other properties; it also relates to the tyres and semi-finished products themselves and to a plasticizing system comprising, in combination, the said diester plasticizer and a plasticizing hydrocarbon resin, the glass transition temperature (Tg) of which is greater than 0° C.

Abstract: An in-mold label comprising a cast film and a process for producing a cast film, that comprises a polypropylene resin and a nucleator. The polypropylene resin has a melt flow rate from 2 dg/min. to 10 dg/min., a xylene solubles content less than 1 wt %, and meso pentad distribution greater than 98%.

Abstract: There is provided a composition for forming a resist underlayer film that the adhesion with a resist applied on the resist underlayer film is enhanced and the collapse of a resist pattern is suppressed. A resist underlayer film-forming composition for lithography comprising: a polymer having silicon atoms in the backbone; a compound of a polycyclic structure; and an organic solvent, wherein the compound of a polycyclic structure has at least two carboxyl groups as substituents; the two carboxyl groups are individually bonded to two carbon atoms adjacent to each other forming the polycyclic structure; and the two carboxyl groups both have an endo configuration or an exo configuration, or have a cis configuration.

Abstract: Hot-melt pressure-sensitive adhesive (HMPSA) composition comprising: a) 25 to 50% of a styrene block copolymer chosen from the group comprising SIS, SIBS, SEBS and SEPS block copolymers; b) 35 to 75% of a compatible tackifying resin having a softening temperature of between 80 and 150° C. and an acid number of less than 20; and c) 0.5 to 20% of one or more carboxylic acids, the hydrocarbon chain of which comprises 6 to 54 carbon atoms. Multilayer system comprising an HMPSA layer, a printable support layer and an adjacent protective layer. Corresponding self-adhesive label and process for recycling a labeled article, with debanding of said label by immersing the article in a hot basic aqueous solution.

Abstract: The present invention is directed to a process for hydrogenating one or more organic compounds especially unsaturated organic compounds by bringing the compound into contact with a hydrogen-containing gas in the presence of a catalyst, which comprises one or more catalytically active metals applied to a porous catalyst support. The one or more catalytically active metals having been derived via a decomposed organic complex of the metal on the support, in particular amine complexes of the metal. The decomposed complex may be treated with hydrogen to activate the catalyst before use as a hydrogenation catalyst.

Abstract: The invention provides a golf ball material composed of (i) a non-ionomeric thermoplastic resin, (ii) an ionomeric resin and/or an acid-containing polymer which is the base polymer of an ionomeric resin, and (iii) a norbornene dicarboxylic anhydride and/or a derivative thereof. Methods for preparing such a material, and a golf ball which includes as a component therein a part made of the golf ball material are also provided. The golf ball material has a good thermal stability, flow and processability, and can thus be used to obtain high-performance golf balls endowed with an excellent rebound resilience, durability and flexibility.

Abstract: The present invention relates to mixtures of alicyclic polycarboxylic esters with high cis content, to a process for their preparation by ring-hydrogenation of the corresponding aromatic polycarboxylic esters, and also to the use of the mixtures.

Abstract: A rubber composition is disclosed wherein the rubber composition contains at least (a) a rubber component; (b) a silica filler; (c) a coupling agent; (d) an effective amount of a nitrogen-containing compound; and, (e) a thiuram disulfide having a molecular weight of at least about 400.

Abstract: Macrocyclic compounds, e.g., ketones, crown ethers, methicones etc., have been found to be effective co-solvents in solvent based adhesives for pipe joining applications. Because of their enhanced solubility with VOC exempt solvents (40 C.F.R. 51.100), the calculated VOC content of the adhesive can be lowered to at least 75% of those established by SCAQMD Rule 116A.

Abstract: Compounds useful as plasticizers and the synthesis thereof are disclosed. In general, the invention includes mixed alkyl/aryl diesters where the aryl and alkyl ester moieties are attached to a cyclic structure at vicinal carbons. The invention also includes synthetic processes of making such compounds.

Abstract: C9 to C11 alkyl benzoates are used as plasticisers for polyvinyl chloride in particular in combination with plasticisers such as di-2-ethyl hexyl phthalate, diisononyl phthalate, di-2-propyl heptyl phthalate, diisodecyl phthalate or di-2-ethyl hexyl terephthalate. The use of the C9 to C11 alkyl benzoates provides low viscosity low volatility plasticisers, which are fast fusing with lower hot bench gelation temperature and which can be used to reduce the staining problems associated with use of di-2-ethyl hexyl phthalate and diisononyl phthalate. The low viscosity of the C9 to C11 alkyl benzoates allows the formulation of solvent free flexible PVC formulations meeting stringent VOC limitations.