1) Hydrocarbon polymer of formula (I):

##STR00001##

F.sup.1 and F.sup.2 are exo-vinylene cyclocarbonate monovalent radicals of formulas (IIa) and (IIb):

##STR00002## g and d 0, 1, 2 or 3; A C1-C6 alkyl; X an oxygen atom or NR.sup.17 with R.sup.17 C1-C6 alkyl; R.sup.14, R.sup.15 and R.sup.16 a hydrogen atom or C1-C6 alkyl; R.sup.1 to R.sup.12 H or C1-C14 alkyl; R.sup.13 O or CH.sub.2; x 1 and y 1; n1 and n2 an integer or zero; m an integer or zero; p1 and p2 an integer or zero of non-zero sum; n1, n2, m, p1 and p2 such that the molecular weight of said polymer is 400 to 100,000 g/mol; process of preparation by ring-opening metathesis polymerization; and use as an adhesive in a mixture with an amine compound having at least 2 amine groups.

Method of making an immobilized tungsten catalyst comprising or consisting of (SiO).sub.X W(O)(CR.sup.1R.sup.2)(R.sup.3 or R.sup.4).sub.2-x(L).sub.z, comprising at least the following step (i): (i) reacting silica (Si02) with a tungsten oxo alkylidene complex comprising or consisting of (R.sup.3)(R.sup.4)W(O)(CR.sup.1R.sup.2)(L).sub.y, preferably wherein CR.sup.1R.sup.2 is selected from CHC(CH.sub.3).sub.3 or CH(C(CH.sub.3).sub.2)C.sub.6H.sub.5 and R.sup.3 and R.sup.4 are independently selected from pyrrol-1-yl, 2,5-dimethylpyrrol-1-yl, or 2,5-diphenylpyrrol-1-yl, or OR, wherein R is a six membered or 10 membered aryl ring, optionally substituted.

Described herein are compositions having an eight-membered monocyclic unsaturated hydrocarbon, methods and system to separate the eight-membered monocyclic unsaturated hydrocarbon at from a hydrocarbon mixture including additional nonlinear unsaturated C.sub.8H.sub.2m hydrocarbons with 4?m?8, by contacting the hydrocarbon mixture with a 10-ring pore molecular sieve having a sieving channel with a 10-ring sieving aperture with a minimum crystallographic free diameter greater than 3 ? and a ratio of the maximum crystallographic free diameter to the minimum crystallographic free diameter between 1 and 2, the molecular sieve having a T1/T2 ratio?20:1 wherein T1 is an element independently selected from Si and Ge, and T2 is an element independently selected from Al, B and Ga, the 10-ring pore molecular sieve further having a counterion selected from NH.sub.4.sup.+, Na.sup.+, K.sup.+ and Ca.sup.++.

The invention provides novel synthetic methods for oligonucleotide polymerization reactions that separate the deprotection and cleavage step following solid-phase oligonucleotide synthesis into two separate steps, thereby providing fully protected hydrophobic oligonucleotides that can be further manipulated in organic solvents. The disclosed methods enable the synthesis of new structures, such as brush DNA and brush RNA polymers and micellar spherical nucleic acids (SNAs

A wearable device including a body made of an elastic material having a polymeric backbone where a portion of the polymeric backbone is unsaturated. The body has an outer surface that is oxidized on at least one part with at least one functional group where the at least one part of the outer surface is more oleophobic than the body.

Hydrocarbon-based polymer of formula (1) bearing alkoxysilane end groups: ##STR00001## in which: is a double or single bond; each of R.sub.2, R.sub.3, R.sub.4 and R.sub.5 is H, a halo, an alkoxycarbonyl or an alkyl, m and p are each from 0 to 5, each of R and R is an alkyl, Z is an alkylene, optionally interrupted with COO, q is 0 or 1, r is 0, 1 or 2, and n is an integer such that the number-average molar mass Mn of the polymer is from 400 to 50 000 g/mol, and its polydispersity index (PDI) is from 1.0 to 2.0. Preparation by ring-opening metathesis polymerization for 2 hours to 24 hours. Adhesive composition comprising polymer (1) and crosslinking catalyst. Bonding by assembly of two substrates using this adhesive composition.

A cyclopentene ring-opening polymer having, at a polymer chain end, a structure where a polymer chain and a group containing an alkoxysilyl group are bonded through NH and having a weight average molecular weight of 100,000 to 1,000,000, wherein the structure is a structure represented by the following general formula (1):
pCPY1-NHY2-Si(OR1)a(R2)3-a(1)
where, in the general formula (1), pCP represents a cyclopentene ring-opening polymer chain, Y1 represents a bivalent hydrocarbon group having 1 to 20 carbon atoms, each of R1 and R2 represents a hydrocarbon group having 1 to 20 carbon atoms, Y2 represents a bivalent hydrocarbon group having 1 to 20 carbon atoms in which NH may be interposed, and a is an integer of 1 to 3.

Disclosed are polymerization initiators as may be utilized for addition of polymers to a substrate surface. The initiators are azo-based initiators that include multi-functionality through addition of multiple anchoring agents to an inner azo group. Disclosed polymerization initiators can be utilized to form high density and high molecular weight polymers on a surface such as a particulate surface. Formed materials can be beneficial in one embodiment in fracking applications, providing composite proppant/polymer materials that can prevent leakage of polymers from a subterranean geologic formation.

A quantum dot complex and its manufacturing method, intermediate and applications are provided. The quantum dot complex includes a quantum dot and a plurality of polymeric chain ligands, wherein each of the polymeric chain ligands includes a coordination unit and at least one polymeric chain, and the coordination unit connects the quantum dot with the polymeric chain; and the polymeric chain has a molecular weight distribution of not more than about 1.3. The surface of the quantum dot in the quantum dot complex is bonded to a plurality of polymeric chain ligands by coordination, and the length of the polymeric chain is accurately controllable, so that the viscosity and surface tension of an ink containing the quantum dot complex can be effectively controlled. Moreover, additives can be avoided and a low boiling point solvent can also be used, thereby ensuring the purity of the quantum dots in the ink.

A rubber composition containing: a solid rubber (A) having a weight-average molecular weight (Mw) of 100,000 or more; and a liquid monocyclic olefin ring-opened polymer (B) having a weight-average molecular weight (Mw) of 1,000 to 50,000, wherein a proportion of the liquid monocyclic olefin ring-opened polymer (B) is 1 to 100 parts by weight per 100 parts by weight of the solid rubber (A).