Provided is a curable compound product having excellent storage stability and moldability and by which a cured product having ultra-high heat resistance can be formed. The curable compound product according to the present disclosure has the following characteristics (a) to (g): (a) A number average molecular weight (calibrated with polystyrene standard) is from 1000 to 15000. (b) A proportion of a structure derived from an aromatic ring in a total amount of the curable compound product is 50 wt. % or greater. (c) Solvent solubility at 23 C. is 1 g/100 g or greater. (d) The glass transition temperature is from 80 to 230 C. (e) A viscosity (.sub.0) of a 20 wt. % NMP solution obtained by subjecting the curable compound product to a reduced-pressure drying process and then dissolving the reduced-pressure-dried curable compound product in NMP, and a viscosity (.sub.10) of the 20 wt. % NMP solution after being left to stand for 10 days in a desiccator maintained at 23 C. satisfy the Equation (E): .sub.10/.sub.0<2(E). (f) A molecular skeleton has a sulfonyl group. (g) An exothermic onset temperature is 220 C. or higher.

A branched monodispersed polyethylene glycol represented by the formula (1): ##STR00001##
wherein X.sup.1 is a functional group that forms a covalent bond upon a reaction with a functional group present in a biofunctional molecule; n is an integer of 4 to 50, which represents number of repeating units of ethylene oxide units; and L.sup.1 represents a single bond, NH, -L.sup.2-(CH.sub.2).sub.m1- or -L.sup.2-(CH.sub.2).sub.m1-L.sup.3-(CH.sub.2).sub.m2-, L.sup.2 represents an ether bond, an amide bond, an urethane bond or a single bond, L.sup.3 represents an ether bond, an amide bond or an urethane bond, and m1 and m2 represent each independently an integer of 1 to 5.

The present disclosure is drawn to polymeric amine synergist compositions. The polymeric amine synergist composition can include a polymeric amine synergist including an aminobenzene modified with a polyether chain connecting to the aminobenzene through an ether linkage. The polymeric amine synergist can be present in a reaction product mixture with either i) an aminophenol, or ii) a carbonate base.

(Per)fluoropolyether polymers comprising a (per)fluoropolyether chain having two ends, wherein one or both ends comprise one or more zwitterionic groups at one or both polymer ends, methods for their manufacture and uses thereof are herein disclosed. The polymers can be used in particular for protecting materials in contact with biological fluids or fluids containing biological material from contamination by organic compounds therein contained.

A polymeric amine synergist is disclosed herein. An example of the polymeric amine synergist includes an aniline moiety, a polyethylene glycol chain, and an ether linkage attaching one end of the polyethylene glycol chain to the aniline moiety. The polymeric amine synergist may be included in a photo curable ink composition.

The present invention provides nanocarriers for delivering polynucleotide sequences to cells, specifically immune cells, including dendritic cells and methods of use. The methods provide improved delivery and reduced toxicity over prior methods. The method of the present disclosure provide a system for delivering nucleic acids to a cell, consisting of a synthetic PEG-b-PPS-linker-DP polymer for producing nanostructures comprising a poly(ethylene glycol)-blockpoly (propylene sulfide) copolymer (PEG-b-PPS) conjugated with a dendritic-specific branched cationic peptide (DP). The system provides a non-toxic in-vitro method of delivering a polynucleotide to immune cells, including dendritic cells, comprising of contacting the cell in cell culture medium with a nanocarrier wherein the method is non-toxic to the cells. The methods described in the invention can be used for treating a subject in need of gene therapy, comprising administering to the subject an effective amount of the system comprising of a polynucleotide, wherein the polynucleotide contains a gen of interest for gene therapy.

Provided is a self-restoring macromolecular material that not only has excellent stress relaxation but that can also be easily restored to its original state, even when damaged or severed. Also provided is a method for producing the self-restoring macromolecular material. The self-restoring macromolecular material contains a crosslinked structure that is formed by crosslinking a polymer containing at least a polyrotaxane molecule. The polyrotaxane molecule is formed so as to include a cyclic molecule 21 and a linear molecule that passes through an opening 21a of the cyclic molecule. The crosslinked structure 1 is crosslinked via a reversible bond between the cyclic molecule of the polyrotaxane molecule and a polymer molecule other than the polyrotaxane molecule.

Described are compositions including: (a) a polymeric dispersant including: (i) an average of at least two polyether pendant groups per molecule; and (ii) an average of at least two amine groups per molecule; and (b) a functionalized acid component including sulfonic acid and/or phosphoric acid functionalized with at least one of an aromatic functional group or a fatty functional group; and wherein at least about 60 percent of the amine groups present in the polymeric dispersant are each individually neutralized with a molecule of the functionalized acid component. Also described are pigment dispersions and/or ink formulations including these compositions, as well as various methods of making and/or using the compositions, pigment dispersions, and/or ink formulations.

A process for the manufacture of a (per)fluoropolyether amine comprising reacting a sulfonic ester of a (per)fluoropolyether alcohol with an excess of ammonia or organic amine at selected temperature is herein disclosed. The process allows obtaining (per)fluoropolyether amines, in particular primary, secondary and tertiary (per)fluoropolyether amines with high yields and selectivity and can be conveniently applied on an industrial scale.

A polyrotaxane represented by Formula (1):

##STR00001##

wherein R.sup.1 is a hydrogen atom or a methyl group, m is 1 to 2000, and n is 10 to 500,

##STR00002##

is a cyclodextrin in which at least one hydroxyl group is modified with a group represented by XNH.sub.2, and X is a divalent organic group.