C08G2650/20

FLUOROETHER UNIT-BASED THERMOSTABLE, LOW-TG AND THERMOSETTING CROSS-LINKED MATERIALS

The present invention relates to a cross-linkable composition comprising: i) a fluorinated ,-bis(propargyl) oligomer of formula (I): in which m is 1 to 100, e.g. 1 to 93, n is 2 to 150, e.g. 1 to 128, p is 0 to 2 preferably 0 or 1.75, and, n, m and p are selected such that the fluorinated ,-bis(propargyl) oligomer of formula (I) has a number average molar mass Mn of 400 to 25000; ii) a cross-linking agent comprising at least three azide-N.sub.3 groups; and iii) optionally, a fluorinated oligomer comprising two terminal azide-N3 or fluorinated ,-bis(azide) oligomer groups. The invention also relates to a material comprising the click chemistry reaction product of the cross-linkable composition of the invention, to a method for preparing said material and to the uses thereof.

AMPHOTERIC POLYMERS AND USE IN INKJET INK COMPOSITIONS
20180105646 · 2018-04-19 ·

Disclosed herein are inkjet ink compositions comprising a polymer comprising the repeat units (A), (B), and (C), wherein: (A) is selected from N.sup.+(R.sub.1)(R.sub.2) and N(R.sub.1); (B) is selected from C.sub.1-C.sub.10 alkylene; C.sub.3-C.sub.20 cycloalkylene; C.sub.3-C.sub.20 heterocycloalkylene; arylene; heteroarylene; C.sub.2-C.sub.20 ether; C.sub.2-C.sub.20 thioether; C.sub.2-C.sub.20 ester; C.sub.2-C.sub.20 acetal; C.sub.2-C.sub.20 amide; bisphenols; and oligomer and polymer moieties selected from polyether, polyester, polyamines, polycarbonate, polyacetal, polythioether, polyester amide, polyurethane, polyacrylate, polyolefin, and polyalkylsiloxane, and (C) comprises at least one group selected from: (i) C(R.sub.3) (R.sub.4)C(R.sub.5)(OH)(C(R.sub.6)(R.sub.7))m-, (ii) C(R.sub.3)(R.sub.4)C(R.sub.5)(H)C(O), and (iii) C(R.sub.3)(R.sub.4) C(R.sub.5)(H) S(O)(O); and (A) is bonded to the C(R.sub.3)(R.sub.4) group of (C), and (B) is bonded to (C).

HYDROCARBON FLUID-WATER SEPARATION

A substrate for use in a filter media including, for example, in a hydrocarbon fluid-water separation filter; methods of identifying the substrate; methods of making the substrate; methods of using the substrate; and methods of improving the roll off angle of the substrate. In some embodiments, the substrate includes a hydrophilic group-containing polymer or a hydrophilic group-containing polymer coating.

DEGRADABLE THIOL-ENE POLYMERS AND METHODS OF MAKING THEREOF
20180043030 · 2018-02-15 ·

Provided are methods for linking polypeptides (including peptides and proteins) to other moieties using radical imitated thiol-ene chemistries, for example, modifying a polypeptide by introducing reactive thiol groups and reacting the thiol groups with olefin-containing reagents or alkyne-containing reagents under conditions that support radical thiol-ene or thiol-yne reactions. The reactive thiol groups have greater activity for radical thiol-ene reactions that a cysteine thiol group, including thiol groups that are separated from the peptide backbone by at least two carbon atoms, for example, the thiol group of a homocysteine residue. Also provided are compositions and biomaterials containing the linked polypeptides, for example, peptide and protein conjugates, and thiol-ene based biocompatible hydrogel polymers, and their uses in the medical field.

FUNCTIONALIZED MAIN CHAIN POLYMERS
20170266652 · 2017-09-21 ·

A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1)


KR(1)

In which K is a bond, oxygen, sulfur,

##STR00001##

the radical R is a divalent radical of an aromatic or heteroaromatic compound.

POLYETHERIMIDE HAVING REACTIVE BRANCHING

A self-branching polyetherimide comprising a first repeating unit derived from polymerization of the aromatic dianhydride and a first diamine, wherein the first diamine comprises a carboxyl-substituted C.sub.6-24 aromatic hydrocarbon group; and optionally, a second repeating unit derived from polymerization of an aromatic dianhydride and a second diamine, wherein the second diamine comprises a C.sub.1-30 divalent hydrocarbon group, optionally comprising 1 to 4 heteroatoms, wherein the self-branching polyetherimide is end-capped with phthalic anhydride.

COMPOSITIONS AND METHODS FOR SCAFFOLD FORMATION

The present invention relates to scaffolds composed of a protein backbone cross-linked by a synthetic polymer. Specifically, the present invention provides PEGylated-thiolated collagen scaffolds and PEGylated albumin scaffolds and methods of generating and using same for treating disorders requiring tissue engineering.

Compositions and methods for scaffold formation

The present invention relates to scaffolds composed of a protein backbone cross-linked by a synthetic polymer. Specifically, the present invention provides PEGylated-thiolated collagen scaffolds and PEGylated albumin scaffolds and methods of generating and using same for treating disorders requiring tissue engineering.

FUNCTIONALIZED MAIN CHAIN POLYMERS
20170095809 · 2017-04-06 ·

A non crosslinked, covalently crosslinked and/or ionically crosslinked polymer, having repeating units of the general formula (1)


KR(1)

In which K is a bond, oxygen, sulfur,

##STR00001##

the radical R is a divalent radical of an aromatic or heteroaromatic compound.

VITAMIN E-BASED NANOCARRIERS FOR DRUG DELIVERY AND METHODS OF MAKING AND USING THE SAME
20170037184 · 2017-02-09 ·

Vitamin E-based amphiphilic copolymers are disclosed. Compositions containing vitamin E-based amphiphilic copolymers and/or nanocarriers are also disclosed. Methods of making vitamin E-based amphiphilic copolymers and/or nanocarriers and methods of using vitamin E-based amphiphilic copolymers and/or nanocarriers are also disclosed.