Patent classifications
D06M15/273
Fluorine-free water-repellent composition
Composition, comprising at least components (A) and (B) and optionally at least one of components (C) to (E): (A) polyacrylate obtained in the polymerisation of components (M1) CH.sub.2═CR.sup.3COO—R.sup.1 with (M2) CH.sub.2═CR.sup.3COO—R.sup.2 and optionally (M3) CH.sub.2═CR.sup.3—X—R.sup.4
(B) wax
(C) blocked isocyanate
(D) organic polysiloxane;
(E) melamine resin;
wherein
R.sup.1 is a residue containing from 1 to 8 carbon atoms;
R.sup.2 is a residue containing from 9 to 40 carbon atoms;
R.sup.3=H, CH.sub.3, C.sub.2H.sub.5;
X=COO, CONH
R.sup.4=glycidyl or CH.sub.2(CH.sub.2).sub.n—OR.sup.5, wherein n is an integer in the range of from 1-10 and R.sup.5 is H or a residue containing from 1 to 6 carbon atoms;
and wherein the composition is based on water and/or an organic solvent and is fluorine-free.
Fluorine-free water-repellent composition
Composition, comprising at least components (A) and (B) and optionally at least one of components (C) to (E): (A) polyacrylate obtained in the polymerisation of components (M1) CH.sub.2═CR.sup.3COO—R.sup.1 with (M2) CH.sub.2═CR.sup.3COO—R.sup.2 and optionally (M3) CH.sub.2═CR.sup.3—X—R.sup.4
(B) wax
(C) blocked isocyanate
(D) organic polysiloxane;
(E) melamine resin;
wherein
R.sup.1 is a residue containing from 1 to 8 carbon atoms;
R.sup.2 is a residue containing from 9 to 40 carbon atoms;
R.sup.3=H, CH.sub.3, C.sub.2H.sub.5;
X=COO, CONH
R.sup.4=glycidyl or CH.sub.2(CH.sub.2).sub.n—OR.sup.5, wherein n is an integer in the range of from 1-10 and R.sup.5 is H or a residue containing from 1 to 6 carbon atoms;
and wherein the composition is based on water and/or an organic solvent and is fluorine-free.
Grafted islands-in-the-sea nonwoven for high capacity ion exchange bioseparation
The invention provides polymer-grafted and functionalized nonwoven membranes adapted for use in bioseparation processes, the membranes including a nonwoven web of polyester fibers having an average fiber diameter of less than about 1.5 microns, each of the plurality of polyester fibers having grafted thereon a plurality of polymer segments constructed of a methacrylate polymer, each polymer segment carrying a functional group adapted for binding to a target molecule. The invention also provides a method of bioseparation comprising passing a solution comprising the target molecule, such as a protein, through the nonwoven membrane of the invention such that at least a portion of the target molecule in the solution binds to the nonwoven membrane. A method for preparing a polymer-grafted and functionalized nonwoven membrane adapted for use in bioseparation processes is also provided.
Grafted islands-in-the-sea nonwoven for high capacity ion exchange bioseparation
The invention provides polymer-grafted and functionalized nonwoven membranes adapted for use in bioseparation processes, the membranes including a nonwoven web of polyester fibers having an average fiber diameter of less than about 1.5 microns, each of the plurality of polyester fibers having grafted thereon a plurality of polymer segments constructed of a methacrylate polymer, each polymer segment carrying a functional group adapted for binding to a target molecule. The invention also provides a method of bioseparation comprising passing a solution comprising the target molecule, such as a protein, through the nonwoven membrane of the invention such that at least a portion of the target molecule in the solution binds to the nonwoven membrane. A method for preparing a polymer-grafted and functionalized nonwoven membrane adapted for use in bioseparation processes is also provided.
SIZING AGENT COMPOSITION FOR FIBERS, FIBER BUNDLE, FIBER PRODUCT AND COMPOSITE MATERIAL
The present invention aims to provide a fiber sizing agent composition capable of providing high adhesion between fibers and a matrix resin, and also capable of forming fiber bundles with high sizing properties and reduced fluffing. A fiber sizing agent composition (C) of the present invention contains an epoxy resin (A) having an aromatic ring and not having a (meth)acryloyl group, and a (meth)acrylate (B).
SHEET MOLDING COMPOUND AND CARBON FIBER COMPOSITE MATERIAL MOLDED ARTICLE
Provided is a sheet molding compound having excellent thick portion-molding properties that can inhibit the occurrence of internal cracks even during the molding of a thick portion and enables a carbon fiber composite material molded article to be excellently released from a die. Also provided is a carbon fiber composite material molded article. The sheet molding compound of the present invention contains a fiber substrate (A) containing carbon fiber and a thermosetting resin composition (B), in which an average fiber length of the carbon fiber is 5 mm or more, and a volumetric molding shrinkage rate of the thermosetting resin composition (B) is 0.5% or more and 4.4% or less. Furthermore, the carbon fiber composite material molded article of the present invention has a thick portion having a thickness of 10 mm or more, in which the thick portion is formed of a cured material of the sheet molding compound of the present invention.
SHEET MOLDING COMPOUND AND CARBON FIBER COMPOSITE MATERIAL MOLDED ARTICLE
Provided is a sheet molding compound having excellent thick portion-molding properties that can inhibit the occurrence of internal cracks even during the molding of a thick portion and enables a carbon fiber composite material molded article to be excellently released from a die. Also provided is a carbon fiber composite material molded article. The sheet molding compound of the present invention contains a fiber substrate (A) containing carbon fiber and a thermosetting resin composition (B), in which an average fiber length of the carbon fiber is 5 mm or more, and a volumetric molding shrinkage rate of the thermosetting resin composition (B) is 0.5% or more and 4.4% or less. Furthermore, the carbon fiber composite material molded article of the present invention has a thick portion having a thickness of 10 mm or more, in which the thick portion is formed of a cured material of the sheet molding compound of the present invention.
ARTICLES CONTAINING FUNCTIONAL POLYMERIC PHASE CHANGE MATERIALS AND METHODS OF MANUFACTURING THE SAME
An article comprises a substrate and a functional polymeric phase change material bound to the substrate. In some aspects the functional polymeric phase change material is chemically bound to the substrate and can be accomplished by at least one of covalent bonding or electrovalent bonding. The functional polymeric phase change material can comprise a reactive function selected from the group consisting of an acid anhydride group, an alkenyl group, an alkynyl group, an alkyl group, an aldehyde group, an amide group, an amino group and their salts, a N-substituted amino group, an aziridine, an aryl group, a carbonyl group, a carboxy group and their salts, an epoxy group, an ester group, an ether group, a glycidyl group, a halo group, a hydride group, a hydroxy group, an isocyanate group, a thiol group, a disulfide group, a silyl or silane group, an urea group, and an urethane group, and wherein the substrate comprises at least one of cellulose, wool, fur, leather, polyester and nylon. Methods of producing the articles are also disclosed.
ARTICLES CONTAINING FUNCTIONAL POLYMERIC PHASE CHANGE MATERIALS AND METHODS OF MANUFACTURING THE SAME
An article comprises a substrate and a functional polymeric phase change material bound to the substrate. In some aspects the functional polymeric phase change material is chemically bound to the substrate and can be accomplished by at least one of covalent bonding or electrovalent bonding. The functional polymeric phase change material can comprise a reactive function selected from the group consisting of an acid anhydride group, an alkenyl group, an alkynyl group, an alkyl group, an aldehyde group, an amide group, an amino group and their salts, a N-substituted amino group, an aziridine, an aryl group, a carbonyl group, a carboxy group and their salts, an epoxy group, an ester group, an ether group, a glycidyl group, a halo group, a hydride group, a hydroxy group, an isocyanate group, a thiol group, a disulfide group, a silyl or silane group, an urea group, and an urethane group, and wherein the substrate comprises at least one of cellulose, wool, fur, leather, polyester and nylon. Methods of producing the articles are also disclosed.
Crosslinked phenolic compound, method of forming, and polymer composition containing the same
A method of forming a crosslinked polyphenol, the method comprising: reacting a bio-based phenolic compound comprising at least one phenolic hydroxyl group, with a crosslinking agent comprising at least two functional groups reactive with the phenolic hydroxyl group, wherein the at least two functional groups are each independently a halogen group, acid halide group, sulfonyl halide group, glycidyl group, anhydride group, or a combination comprising at least one of the foregoing, to provide the crosslinked polyphenol.