Provided are a tricyclodecane dimethanol composition, in which a ratio of structural isomers is controlled, and a preparation method thereof.

This present invention relates to a catalyst composition for a production process of -lactone from carbon dioxide and 1,3-butadiene that can efficiently catalyze the synthesis reaction of -lactone with good selectivity of -lactone, wherein said catalyst composition comprising: a) palladium metal complexes as shown in structure (I) [Formula should be inserted here] wherein, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently represents a group selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amine group, or optionally an alkenyl group, an alkynyl group, a phenyl group, a benzyl group, or a cyclic hydrocarbon group comprising a hetero atom; and b) phosphorus compound selected from a phosphine group having a general formula [Formula should be inserted here], wherein R is selected from an alkyl group, a cycloalkyl group, or an aryl group.

##STR00001##

The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

The present disclosure provides catalysts comprising zinc and one or more ligands that improve the hydration of carbon dioxide at a zinc metal center, including but not limited to ethylenediaminetetraacetic acid and its derivatives. In certain embodiments, one or more of the ligands on the zinc is water that is replaced with carbon dioxide. In certain embodiments, the zinc catalyst coordinates an appropriate carbon dioxide adsorption solvent to reduce the activation energy for carbon dioxide hydration. Methods and apparatuses that are designed to efficiently utilize sorbents with improved sorption and desorption characteristics, such as those that include an inorganic catalyst or modified carbonic anhydrase, are also disclosed.

Processes to prepare lightly branched surfactant products comprise combining at least one olefin and a coordination-insertion catalyst under conditions such that at least one oligomer product is formed. The surfactant products comprise a main carbon chain containing an average of between 0.5 and 2.5 branches, wherein more than 50% of the branches are ethyl branches, wherein the branches are located more than one carbon away from each end of the main carbon chain in more than 20% of surfactant product molecules

The invention relates to a new dialkyl tin oxide catalyst composition and its use for the synthesis of amino alkyl (meth)acrylates by transesterification from an alkyl (meth)acrylates and an amino alcohol, and especially 2-dimethylaminoethyl (meth)acrylate. The invention also relates to polymers made with quaternized amino alkyl (meth)acrylates and use of said polymers in water treatment, sludge dewatering, papermaking process, agriculture, cosmetic and detergency composition, textile process, oil and gas recovery process such as enhanced oil recovery, fracturing, mining operation such as tailings treatment.

The present invention is directed to processes for catalyzing two or more chemical reactions with a multifunctional catalyst in a reaction vessel. The processes include steps for introducing one or more reagents to a reaction vessel containing a multifunctional catalyst; contacting the one or more reagents with a first portion of the multifunctional catalyst to produce an intermediate; contacting the intermediate with a second portion of the multifunctional catalyst to produce a product; and removing the product from the reaction vessel. In certain embodiments, the multifunctional catalyst may have a first portion with carbonylation functionality for catalyzing the production of a beta-lactone intermediate from an epoxide reagent and a carbon monoxide reagent. In certain embodiments, the multifunctional catalyst may have a second portion with a functionality suitable for polymerization, co-polymerization, and/or modification of a beta-lactone intermediate. In preferred embodiments, the first portion and second portion are bonded to a heterogenous support.

The present invention provides a photolatent Ti-chelate catalyst formulation, comprising (i) at least one compound of the formula (I) wherein R.sub.1 is C.sub.1-C.sub.20alkyl or C.sub.2-C.sub.20alkyl which is interrupted by one or more non-consecutive O-atoms; Y is formula (II) or optionally substituted phenyl; Y.sub.1 is formula (III) or optionally substituted phenyl; Y.sub.2 is formula (IV) or optionally substituted phenyl; Y.sub.3 is formula (V) or optionally substituted phenyl; R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12 and R.sub.13 independently of each other are hydrogen, halogen, optionally substituted C.sub.1-C.sub.20alkyl, or R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12 and R.sub.13 independently of each other are optionally substituted C.sub.6-C.sub.14aryl, provided that only one of R.sub.2, R.sub.3, R.sub.4 is hydrogen and only one of R.sub.5, R.sub.6, R.sub.7 is hydrogen and only one of R.sub.8, R.sub.9, R.sub.10 is hydrogen and only one of R.sub.11, R.sub.12, R.sub.13 is hydrogen; and (ii) at least one chelate ligand compound of the formula IIa, IIb or IIc, wherein Y is formula (VI) or formula (VII); Y.sub.1 is formula (VIII) or formula (IX); R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 independently of each other have on of the meanings as given for R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12 and R.sub.13; and R.sub.14, R.sub.15 and R.sub.16 independently of each other have on of the meanings as given for R.sub.14, R.sub.15 and R.sub.16. ##STR00001##

Processes to prepare lightly branched surfactant products comprise combining at least one olefin and a coordination-insertion catalyst under conditions such that at least one oligomer product is formed. The surfactant products comprise a main carbon chain containing an average of between 0.5 and 2.5 branches, wherein more than 50% of the branches are ethyl branches, wherein the branches are located more than one carbon away from each end of the main carbon chain in more than 20% of surfactant product molecules.

A method of synthesizing a doped carbonaceous material includes mixing a carbon precursor material with at least one dopant to form a homogeneous/heterogeneous mixture; and subjecting the mixture to pyrolysis in an inert atmosphere to obtain the doped carbonaceous material. A method of purifying water includes providing an amount of the doped carbonaceous material in the water as a photocatalyst; and illuminating the water containing the doped carbonaceous material with visible light such that under visible light illumination, the doped carbonaceous material generates excitons (electron-hole pairs) and has high electron affinity, which react with oxygen and water adsorbed on its surface forming reactive oxygen species (ROS), such as hydroxyl radicals and superoxide radicals, singlet oxygen, hydrogen peroxide, that, in turn, decompose pollutants and micropollutants.