C08F38/00

CYCLIC POLYOLEFINS DERIVED FROM HEXYNE, OCTYNE, NONYNE, PENTADECYNE AND THEIR COPOLYMERS WITH ACETYLENE
20190092884 · 2019-03-28 ·

Disclosed are saturated cyclic monopolymers derived from hexyne, octyne, nonyne, pentadecyne and saturated cyclic copolymers derived from acetylene and a second alkyne monomer that is hexyne, octyne, nonyne, or pentadecyne.

Modulating Interfacial Wettability of a Noncovalent Nanoscopic Ligand Film

This invention generally relates to a method for modulating interfacial wettability of a noncovalent nanoscopic monolayer or thin film. Particularly, this invention relates to a method for modulating interfacial wettability of a two-dimensional (2D) material using a molecular layer prepared from a polymerizable amphiphilic monomer having a hydrophilic head and a hydrophobic tail, wherein enhanced or decreased wettability of said 2D material is achieved by proper allocating the position of polymerizable group relative to the hydrophilic head and the hydrophobic tail.

METHOD FOR THE PREPARATION OF A COATING COMPRISING OLIGOMERIC ALKYNES

The invention relates to a method for the preparation of a coating comprising at least one coating layer on a substrate, the method comprising the steps of a. providing monomers of the type R(N).sub.x-(L).sub.m-(CC).sub.n-(L).sub.o-(N).sub.yR, wherein R is a head moiety, R is a tail moiety, (CC).sub.n is an oligoyne moiety, L and L are linker moieties, N and N independently are branched or unbranched optionally substituted C.sub.1-C.sub.25 alkyl moieties optionally containing 1 to 5 heteroatoms, x, m, o, and y are independently 0 or 1, n is 4 to 12, and wherein the head moiety allows for an interaction with the surface of the substrate; b. bringing the monomers into contact with the substrate wherein the interaction of the head moieties of the monomers with the surface of the substrate induces at least a part of the monomers to align in a defined manner thereby forming a film on the surface and bringing the oligoyne moieties of the monomers into close contact with each other; c. inducing a reaction between oligoyne moieties by providing an external stimulus so as to at least partially cross-link the aligned monomers, thereby forming a coating layer on the substrate. The invention further relates to a coating obtainable according to the method of the invention, the use of a coating obtainable according to the method of the invention, a substrate comprising a coating obtainable according to the invention and the use of solid substrate. The invention further relates to a method for the synthesis of the monomers according to the invention.

Cellulose-polymer composites for solar cells

The present disclosure relates to a cellulose-polymer composite solar cell that is substantially biodegradable and fabricated using environmentally friendly materials and methods. The polymer solar cell comprises an electrically conductive cellulose-polymer composite and an electrically semiconductive cellulose-polymer composite.

Cellulose-polymer composites for solar cells

The present disclosure relates to a cellulose-polymer composite solar cell that is substantially biodegradable and fabricated using environmentally friendly materials and methods. The polymer solar cell comprises an electrically conductive cellulose-polymer composite and an electrically semiconductive cellulose-polymer composite.

Metallacyclopentadiene initiators for cyclic polymer synthesis from alkynes

Provided herein are complexes for polymerization of linear alkynes to cyclic poly(alkynes), and methods of making and using same. For example, provided herein are compounds of formula (I) or formula (IV): ##STR00001##

Metallacyclopentadiene initiators for cyclic polymer synthesis from alkynes

Provided herein are complexes for polymerization of linear alkynes to cyclic poly(alkynes), and methods of making and using same. For example, provided herein are compounds of formula (I) or formula (IV): ##STR00001##

PROCESS FOR PREPARING POLYMER AND CARBON NANOSPHERES BY CATALYTIC POLYMERIZATION
20180273659 · 2018-09-27 ·

The present disclosure relates to a process for preparing polymer and carbon nanospheres. In particular, the present disclosure is directed to preparing polymer nanospheres by catalytic emulsion or dispersion polymerization.

LIQUID CRYSTALLINE COMPOSITION, CURED PRODUCT, OPTICALLY ANISOTROPIC LAYER, OPTICAL ELEMENT, AND LIGHT GUIDE ELEMENT

A first object of the present invention is to provide a liquid crystalline composition capable of forming a film having excellent light resistance and also having excellent alignment properties of a liquid crystal compound in the film. In addition, a second object of the present invention is to provide a cured product obtained from the liquid crystalline composition, an optically anisotropic layer, an optical element, and a light guide element.

The liquid crystalline composition of the present invention is a liquid crystalline composition containing a compound A and an antioxidant, in which the compound A is a compound having a partial structure represented by Formula (I), in a case where the compound A exhibits liquid crystallinity and the composition does not contain a liquid crystal compound B having a structure different from a structure of the compound A, a distance HSP between a HSP value of the antioxidant and a HSP value of the compound A is 10.5 MPa.sup.0.5 or less, and in a case where the composition contains the liquid crystal compound B, a distance HSP between the HSP value of the antioxidant, and an average HSP value of the HSP value of the compound A and a HSP value of the liquid crystal compound B is 10.5 MPa.sup.0.5 or less.

##STR00001##

In Formula (I), A.sup.1 and A.sup.2 each independently represent an aromatic hydrocarbon ring group or an aromatic heterocyclic group, which may have a substituent. * represents a bonding position.

Covalently cross linked hydrogels and methods of making and using same

A thiol-yne polymeric material and methods for producing said polymers are disclosed. The material is produced by the radically mediated polymerization of monomers having alkyne and thiol functional groups. The alkyne moiety, internal or terminal, may react with one or two thiols. Degradable monomers may be used to form degradable polymers.