4results about "Unsaturated ether polymer adhesives" patented technology

The application discloses a kind of binder for lithium battery separator cold pressing process and preparation method thereof, it is related to lithium battery separator binder technical field, binder includes the following component is made: acid monomer, amide monomer, nitrile monomer, acrylic ester monomer, ether bond containing multifunctional monomer, long side chain hydrocarbon chain monomer, neutralizing agent, initiator.Preparation method includes the following steps: after mixing binder component, it is formed into mixed solution in deionized water;Nitrogen protection is added to initiator, heating reaction;After reaction is completed, neutralizing agent is added to adjust pH value, dilution and vacuum removal residual monomer are obtained after.The application forms three-dimensional network structure by introducing ether bond containing multifunctional monomer, reduces cohesion, makes dry film soft, adapts 25 DEG C cold pressing process;While introducing long side chain hydrocarbon chain monomer improves compatibility and wettability with PE / PP separator, realizes low energy consumption cold pressing bonding.

[Problem] Provided is a cell-adhesive composition including an oxyethylene chain-containing polymer having excellent biocompatibility and excellent reactivity. [Solution] A cell-adhesive composition according to the present invention includes an oxyethylene chain-containing polymer represented by the following general formula (1): (wherein, in the general formula (1), R1 is -(CH2)p-SH, -(CH2)p-N3, -(CH2)p-NH2, or -(CH2)p-COOH, and p is an integer of 1 to 5; R2 to R4 are each independently hydrogen or a C1-10 alkyl group; R5 is a C1-10 alkyl group; R6 is hydrogen or a C1-5 alkyl group; R7 is a C1-10 alkyl group; n is an integer of 5 to 1000; m is an integer of 1 to 10; and q is an integer of 0 to 5).

The invention relates to a disassembly composition comprising: - one or more organic carbonates selected from dialkyl carbonates and alkylene carbonates, - an aqueous solution of hydrogen peroxide (H₂O₂), - one or more organic acids selected from monocarboxylic acids comprising at least 10 carbon atoms and polycarboxylic acids, and - one or more gelling agents. The invention also relates to the use of this composition for disassembling a structure comprising at least two elements joined together by means of an adhesive, as well as to a method for disassembling such a structure. No figure.

The application discloses a kind of fast wet state bonding formaldehyde-free adhesive and its preparation method and application, belong to high molecular adhesive preparation technical field.The above-mentioned fast wet state bonding formaldehyde-free adhesive is prepared from the following weight parts components: resin matrix 15-30 parts, polar aprotic solvent 70-85 parts, multi-functionality epoxy crosslinking agent 0.75-6 parts;The resin matrix is the molecular weight 200 kDa above olefin-maleic anhydride alternating copolymer;The polar aprotic solvent is dimethyl sulfoxide or sulfolane;The multi-functionality epoxy crosslinking agent is 4,4'-diamino diphenyl methane tetraglycidyl amine, isocyanuric acid triglycidyl ester, triglycidyl amine, epoxy soybean oil or epoxy castor oil.The adhesive of the application utilizes specific solvent-resin system, realizes fast, strong and tough bonding in humid, underwater and even various liquid environments by the mechanism of pre-crosslinking in good solvent and fast solvent exchange in poor solvent.