C08G81/025

METHODS FOR SURFACE MODIFICATION OF MATERIALS
20170267815 · 2017-09-21 ·

The invention concerns methods and compositions for modifying a surface of a material by anchoring a surface modifying additive to a polymer matrix using an anchor molecule, wherein the surface modifying additive and the anchor molecule are both added to a melt phase of the polymer matrix.

Methods for fabricating transparent icephobic coatings, and transparent icephobic coatings obtained therefrom

Some variations provide a method of forming a transparent icephobic coating, comprising: obtaining a hardenable precursor comprising a first component and a plurality of inclusions containing a second component, wherein one of the first component or the second component is a low-surface-energy polymer, and the other is a hygroscopic material; applying mechanical shear and/or sonication to the hardenable precursor; disposing the hardenable precursor onto a substrate; and curing the hardenable precursor to form a transparent icephobic coating. The coating contains a hardened continuous matrix containing regions of the first component separated from regions of the second component on an average length scale of phase inhomogeneity from 10 nanometers to 10 microns, such as less than 1 micron, or less than 100 nanometers. The transparent icephobic coating may be characterized by a light transmittance of at least 50% at wavelengths from 400 nm to 800 nm, through a 100-micron coating.

MEDICAL DEVICE, AND METHOD FOR PRODUCING MEDICAL DEVICE
20170258966 · 2017-09-14 · ·

A medical device includes a base layer, and a lubrication layer supported on at least a part of the base layer, wherein the lubrication layer contains a block copolymer (A) composed of a first constituting unit derived from a reactive monomer that has an epoxy group and a second constituting unit derived from at least one hydrophilic monomer selected from the group consisting of acrylamide and an acrylamide derivative, and a polymer (B) composed of a constituting unit derived from at least one hydrophilic monomer selected from the group consisting of acrylamide and an acrylamide derivative, wherein the block copolymer (A) is contained in a proportion of 20 to 80% by weight relative to the total weight of the block copolymer (A) and the polymer (B), and wherein the block copolymer (A) is crosslinked or polymerized to form a mesh structure.

COMPOSITION COMPRISING A COMB COPOLYMER

The invention relates to a composition comprising a) a polymer a) comprising polymerized units of a N-vinyl lactam, b) a comb copolymer b) having a polymer backbone based on a vinyl aromatic compound and an ethylenically unsaturated polymerizable carboxylic anhydride, and having at least two polyalkylene oxide side chains, and c) a carbon-based material.

pH RESPONSIVE COMPOSITIONS AND USES THEREOF

Described herein are pH responsive compounds, micelles, and compositions useful for the detection of primary and metastatic tumor tissues. Compounds described herein are imaging agents useful for the detection of primary and metastatic tumor tissue (including lymph nodes). Real-time fluorescence imaging during surgery aids surgeon in the detection of metastatic lymph nodes or delineate tumor tissue versus normal tissue, with the goal of achieving negative margins and complete tumor resection.

Random Copolymer Compound, Terminal-Modified Polymer Compound, and Resin Composition Including Said Compounds
20210395464 · 2021-12-23 ·

A random copolymer compound of (A) a polyphenylene ether resin having phenolic hydroxy groups at both ends, (B) an aliphatic polymer having alcoholic hydroxy groups at both ends, and (C) an acid dichloride compound that is a binder is disclosed, wherein the number of mol a of the (A) polyphenylene ether resin, the number of mol b of the (B) aliphatic polymer, and the number of mol c of the (C) acid dichloride compound that is a binder satisfies the relationship (a+b)>c.

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.

MEDICAL INSTRUMENT MANUFACTURING METHOD AND MEDICAL INSTRUMENT
20210379250 · 2021-12-09 · ·

A method for manufacturing a medical instrument having a lubricating layer (coating layer) that exhibits excellent durability (particularly, sliding durability) is provided. The method for manufacturing a medical instrument is a method for manufacturing a medical instrument that includes a base layer and a lubricating layer carried on at least a portion of the base layer. The method includes applying a solution including a block copolymer having a structural unit derived from a reactive monomer having an epoxy group and a structural unit derived from a hydrophilic monomer, a choline derivative, and a solvent, on the base layer.

Coated proppants and methods of making and use thereof
11193056 · 2021-12-07 · ·

Methods for producing proppants with block copolymer proppant coating include coating proppant particles with the block copolymer proppant coating to produce coated proppants with block copolymer proppant coating. The block copolymer proppant coating is a block copolymer composition having at least one copolymer backbone. Each copolymer backbone comprises at least two hard segments and a soft segment disposed between the at least two hard segments. Additionally, a proppant comprising a proppant particle and a block copolymer proppant coating includes a block copolymer composition having at least one copolymer backbone, in which each copolymer backbone comprises at least two hard segments. A soft segment is disposed between the at least two hard segments. The copolymer backbone has at least one anhydride group grafted onto the soft segment. Furthermore, the anhydride group is crosslinked by an amine-containing crosslinker.

Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

Disclosed are oral care compositions of novel phosphono-phosphate and anionic group containing polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver anionic character to surfaces such as calcium hydroxyapatite for use in oral care applications.