886 results about "Unsaturated bonds" patented technology

The invention discloses a chain extender containing a hydrazide structure, a preparation method of the chain extender and application of the chain extender in preparation of polyurethane. The chain extender containing the hydrazide structure is prepared by carrying out Michael addition reaction on raw materials including a hydrazide compound and unsaturated carboxylic ester; the Michael addition reaction comprises a reaction process of carrying out addition on amino in the hydrazide compound and a carbon-carbon unsaturated bond in the unsaturated carboxylic ester to generate secondary amine. According to the invention, the problem that a solvent is needed and / or high-temperature melting is needed when a hydrazide compound is used as a polyurethane chain extender can be solved, and a thermoplastic polyurethane elastomer material with relatively high mechanical strength and toughness and excellent mechanical recovery performance can be prepared.

The invention provides a resin polymer, a photosensitive resin composition and application thereof. Monomers forming the resin polymer include an ethylenically unsaturated bond type monomer compound, and the ethylenically unsaturated bond type monomer compound includes an acrylic acid silyl ester type monomer compound, a phenol oxygen type monomer compound with an ethylenically unsaturated group, and an oxa-naphthene type monomer compound with an ethylenically unsaturated group. A structural unit formed after polymerization of the monomer shown in the formula I can effectively improve the adhesive force and heat resistance of the polymer resin and a related base material. The monomer as shown in the formula II is acidic after being acted by the photoacid generator, and the monomer as shown in the formula II and the monomer as shown in the formula III have epoxy groups, so that the polymer is fully cured, and the solvent resistance and the like are relatively good; the above photosensitive resin composition has good adhesion to materials, the line size after development is finer, the pattern retention performance after bending is better, and the photosensitive resin composition has good application value.

To provide a method for producing a modified resin that allows efficient production of a desired modified resin by enabling smooth progress of a modification reaction of a resin having an epoxy group by using a tertiary phosphine as a catalyst.SOLUTION: A method for producing a modified resin comprises a step (A-1) of reacting a nucleophile having no polymerizable unsaturated bond with a resin containing an epoxy group, under the presence of a catalyst containing a tertiary phosphine and under an atmosphere in which the oxygen concentration of a gas phase part within a reaction vessel is less than 2 vol.%.SELECTED DRAWING: None

Provided is an arylalkyl-modified indene composition comprising a plurality of compounds, each of the compounds having one or more arylalkyl groups on an indene ring and differing from the others in the number of arylalkyl groups in one molecule. The content of the compound or compounds having a single arylalkyl group in one molecule is 1% or less in the composition at the percentage calculated on the basis of the area ratio in a GPC chart. At least one of the arylalkyl groups present in the composition is an arylalkyl group having a polymerizable unsaturated bond-containing group, while at least one of the arylalkyl groups present in the composition is an arylalkyl group having no polymerizable unsaturated bond-containing group.

Provided is an arylalkyl-modified indene composition that contains a plurality of types of compounds having an arylalkyl group on an indene ring, the compounds having different numbers of arylalkyl groups in one molecule, wherein: the content of a compound in which the number of arylalkyl groups in one molecule is 1 is 1% or less as calculated from the area ratio of the GPC chart; at least one of the arylalkyl groups present in the composition has a polymerizable unsaturated bond-containing group; and at least one of the arylalkyl groups present in the composition does not have a polymerizable unsaturated bond-containing group.

This method for producing an aryl-alkylated indene composition involves: adding an arylalkyl group having a polymerizable unsaturated bond-containing group to an indene compound; and adding an arylalkyl group having no polymerizable unsaturated bond-containing group to the indene compound to which the arylalkyl group having a polymerizable unsaturated bond-containing group is added.

The invention relates to a modified binder for a dry-method electrode, a dry-method electrode pole piece and a preparation method of the dry-method electrode pole piece. Polycyclic aromatic hydrocarbon is dissolved in an aprotic polar solvent, alkali metal is added, and a polycyclic aromatic hydrocarbon alkali metal reagent is generated; and adding polytetrafluoroethylene into the polycyclic aromatic hydrocarbon alkali metal reagent to obtain the modified polytetrafluoroethylene. Alkali metal ions in the polycyclic aromatic hydrocarbon alkali metal reagent can destroy C-F bonds in the PTFE, remove some fluorine atoms on the surface of the PTFE and leave a carbonized layer and some polar groups such as hydroxyl groups, carbonyl groups and unsaturated bonds, and the groups can increase the surface energy, reduce the contact angle and improve the wettability, so that the cohesiveness of the modified PTFE is improved, and the service life of the PTFE is prolonged. The binding force between the PTFE and the conductive agent and the current collector is enhanced, and the problem that the viscoelasticity of the PTFE in the dry-method pole piece is insufficient is solved. Through modification, part of C-F bonds in PTFE are destroyed in advance, so that generation of interface side reaction products is reduced, the problem of initial effect reduction of a dry-method electrode is improved, and the cycle stability of a battery is improved.

The invention discloses a metal organic framework material, a preparation method thereof and a perovskite battery, and belongs to the technical field of perovskite batteries. The preparation method comprises the following steps: dissolving 1, 2, 4, 5-benzene tetracarboxylic acid in an organic solvent, adding ZrCl4 and a regulator acetic acid, carrying out a heating reaction to obtain a reactant, and carrying out centrifugation, washing and vacuumizing on the reactant to obtain the metal organic framework material. The metal organic framework material has high-density free carboxyl and a nano structure, the high-density free carboxyl can achieve the purpose of adsorbing lithium ions, and the nano structure can obtain better dispersity. When the metal organic framework material is applied to a hole transport layer of a perovskite battery, lithium ions can be well adsorbed, free carboxyl groups can also form chemical bonds with Pb ions of a perovskite active layer, surface defects and unsaturated bonds of the perovskite active layer are reduced, compounding of electrons and holes is prevented, and the performance of the perovskite battery is improved. Therefore, the electrochemical performance and the stability of the perovskite battery are improved.

The invention discloses a far-infrared high-transmittance composite material, a preparation method thereof and an optical device, and the far-infrared high-transmittance composite material comprises the following components in parts by weight: 70-99 parts of a polymer matrix; 1-30 parts of an anti-reflection auxiliary agent; the polymer matrix is a sulfur-containing polymer prepared by polymerization reaction of a polymeric monomer and sulfur, and the proportion of carbon-carbon unsaturated bonds is less than 3%; the polymeric monomer is selected from at least one of a vinyl monomer, a propenyl monomer, an acrylic acid monomer, a methacrylic acid monomer, an epoxide monomer, a thiopropyl ring monomer, an alkynyl monomer, a butadiene monomer, an isoprene monomer and a norbornene monomer; the anti-reflection auxiliary agent comprises at least one of nano zinc sulfide, nano zinc selenide, nano calcium fluoride, nano magnesium fluoride and nano magnesium oxide. The composite material and the optical device thereof have high far infrared transmittance and good mechanical properties and processability, and can meet the requirements of various far infrared optical fields.

The invention discloses an antifouling wear-resistant auxiliary agent and a preparation method and application thereof, and belongs to the technical field of fluorine-containing functional preparations, the antifouling wear-resistant auxiliary agent is prepared from the following raw materials by mole: 1-2 parts of single-ended active perfluoropolyether alcohol PFPE-OH; 1 to 2 parts of isophorone diisocyanate; 1 part of nano silicon dioxide containing hydroxyl groups on the surface; 2 to 5 parts of monoisocyanate containing unsaturated bonds; 2 to 25 parts of acrylic acid hydroxyl ester; 40 to 400 parts of a comonomer; 2-20 parts of a reaction active monomer; the reactive monomer contains an unsaturated bond and is used for side chain grafting. The antifouling wear-resistant auxiliary agent comprises a nano silicon dioxide hybrid multi-branched polymer containing a perfluoropolyether group, contains a plurality of unsaturated sites, is suitable for a UV curing coating system, and can significantly improve the antifouling and anti-fingerprint characteristics and wear resistance of the surface of a coating.

The invention relates to an electrolyte, a secondary battery and an electric device. The electrolyte comprises a first additive, a second additive and a third additive, the first additive comprises inorganic salt containing elements; the second additive comprises a compound containing an unsaturated bond, and the reduction potential of the compound containing the unsaturated bond is larger than or equal to 0.8 V (Li < + > / Li); the third additive comprises a compound containing an amide group; by adding the first additive, the second additive and the third additive into the electrolyte, the high-temperature performance and the low-temperature performance of the secondary battery can be improved at the same time.

The invention provides a thermosetting resin composition, a resin adhesive film and application thereof. The thermosetting resin composition comprises the following components in parts by mass: 5-95 parts of benzocyclobutene resin, 5-95 parts of a component containing C = C unsaturated bonds, 5-300 parts of a modified filler and 0.1-10 parts of an initiator, the modified filler is an inorganic filler subjected to surface treatment by a coupling agent containing unsaturated groups, and the unsaturated groups are selected from any one or a combination of at least two of styryl, acryloyloxy, methacryloyloxy and polybutadiene groups. A resin adhesive film prepared from the thermosetting resin composition is excellent in dielectric property, low in dielectric loss tangent Df, good in dielectric stability, small in Df (10GHz) variation amplitude after HAST, high in chemical copper binding force and capable of fully meeting the performance requirement for preparing a high-frequency and high-speed printed circuit board through a semi-addition method or an addition method.

The invention discloses a water-based surface treatment liquid for a galvanized steel sheet. The water-based surface treatment liquid comprises deionized water and a solid, the solid component comprises the following components in parts by weight: 25-65 parts of water-based cationic polymer resin A in the solid component; the weight part of the compound organosilane coupling agent B in the solid components is 30 to 60 parts; the weight part of the compound lubricating particles C in the solid components is 3-10 parts; wherein the compound lubricating particles C comprise at least one organosilane coupling agent C1 containing unsaturated bonds; and a mixture of an oxidized polyethylene wax emulsion and a polytetrafluoroethylene wax emulsion; a water-soluble fluorine-containing compound D, wherein the weight part of the fluorine element in the solid is 1.5-5 parts; a water-soluble phosphorus-containing compound E, wherein the weight part of the phosphorus element in the solid is 1-3 parts; and a water-soluble salt compound F containing an eighth group iron element, wherein the weight part of the eighth group iron element in the solid component is 0.2-0.6 part.

The present disclosure provides a thermosetting resin composition contributing to reducing the elastic modulus of a cured product and increasing the flexibility thereof while reducing the chances of causing a decline in the heat resistance of the cured product. A thermosetting resin composition contains: a maleimide compound (A) having at least two maleimide groups in one molecule; a compound (B) having, at either or both of terminals thereof, a substituent with an ethylenic unsaturated bond and having a polyphenylene ether skeleton; and an inorganic filler (C). The compound (B) includes a compound (B1) having a butadiene-derived structural unit.

The room-temperature-curable resin composition contains an organosilicon compound represented by formula (1) and yields a highly strengthened cured product. (In the formula, R1 independently represent a substituted or unsubstituted monovalent C1-12 hydrocarbon group, excluding aliphatic unsaturated bonds; R2 represents a hydrogen atom or an aliphatic unsaturated monovalent C2-12 hydrocarbon group; R3 independently represent a substituted or unsubstituted monovalent C1-12 hydrocarbon group, excluding aliphatic unsaturated bonds; A represents a divalent C2-8 hydrocarbon group; k represents an integer of 0-2; m represents an integer of 3-6; k+m represents an integer of 3-8; and n represents an integer of 0-100.)

The invention relates to a high-temperature-resistant low-dielectric high-strength benzoxazine intermediate and a preparation method of benzoxazine, and belongs to the field of functional polymer materials. The method comprises the following steps: adding paraformaldehyde, unsaturated bond-containing dihydric phenol, a monohydric phenol compound and a diamine compound into a reactor, adding a solvent, reacting at 85-110 DEG C for 8-12 hours, after the reaction is finished, obtaining a benzoxazine intermediate through a purification process, and fully drying the benzoxazine intermediate for later use; and reacting the benzoxazine intermediate at 120-230 DEG C for 8-20 hours to obtain the polybenzoxazine resin.

A thermally conductive silicone composition that has high thermal conductivity and excellent workability and misalignment resistance, and contains, in specific ratios:a silicone gel cross-linked product (A);a silicone oil (B) not containing either aliphatic unsaturated bonds or SiH groups and being used as a surface treatment agent for components (C) and (D);an aluminum powder (C) including (C-1)-(C-3),(C-1) being an aluminum powder having an average particle diameter of 40-100 μm,(C-2) being an aluminum powder having an average particle diameter of at least 6 μm and less than 40 μm, and(C-3) being an aluminum powder having an average particle diameter of at least 0.4 μm and less than 6 μm;a zinc oxide powder (D) having an average particle diameter of 0.1-10 μm; anda volatile solvent (E).

The invention discloses an enhanced monomer casting nylon material and a preparation method thereof, and relates to the technical field of high-molecular compounds, in particular to a high-molecular compound obtained by reaction except for carbon-carbon unsaturated bond, the nylon material comprises caprolactam, glass fiber, resin particles, graphene powder and an antibacterial agent, by utilizing the high strength of the glass fiber and the resin particles, the texture of the nylon material is tighter, an attachment site is provided for the antibacterial agent when the nylon material is combined with the caprolactam, the antibacterial agent and the caprolactam can have firmer combining capacity, the compact material structure can resist corrosion, and the service life of the antibacterial agent is prolonged. The corrosion resistance and the antibacterial property of the monomer casting nylon are improved, and the defect that the corrosion resistance and the antibacterial property are insufficient in the monomer casting nylon process is overcome; the silver ion antibacterial agent is tightly combined with the graphene, so that the release speed of the silver ion antibacterial agent can be slowed down, and a stable antibacterial effect can be realized.

The invention belongs to the technical field of semiconductor material processing, and relates to a bonding method and a wafer room temperature bonding method, which are executed by a bonding system comprising a film forming chamber, a bonding chamber, a transmission chamber and a bonding point location preparation unit. The method comprises the following steps: forming an active film layer containing unsaturated bond active points on the surface of a wafer; active components are introduced through the bonding point site preparation unit, so that the active components react with the active point sites to form bonding point sites; transmitting the two wafers to a bonding chamber and aligning the two wafers; pressure is applied, and bonding is completed by means of the pressure and the bonding reaction between the bonding points. According to the method, the flat and active bonding surface can be prepared, the lattice structure is not influenced in the bonding process, and the quality of the bonding wafer product can be improved.

The invention relates to the technical field of high polymer materials, in particular to an anion exchange membrane and a preparation method and application thereof, and the anion exchange membrane is formed by an ion exchange polymer formed by copolymerization of a thienyl main chain monomer and a trifluoroalkyl compound branched chain monomer, the ratio of thienyl to phenyl in the main chain monomer is fixed; through precise doping copolymerization of thiophene groups, sulfur-sulfur interaction is introduced into a main chain skeleton, gas and water diffusion performance of the material is further changed, main chain flexibility can be improved, conductivity can be improved, the polymer is applied to an anion exchange membrane, comprehensive adjustment of mechanical performance and ionic conduction performance is achieved, and the polymer has a wide application prospect. The main chain of the obtained polymer does not contain ether bonds, the alkali-resistant stability of the anion exchange membrane can be improved due to the structural characteristic of unsaturated bonds, and the method is suitable for recycling industrial wastewater containing eosin B (EB) and reactive red X-3B dyes.

A compound having the following structure:wherein: R1 is a linker having the formula —(CH2)n-L1-, wherein L1 contains 1-6 carbon atoms and at least one —NH— linkage and at least one oxygen-containing or sulfur-containing linkage, and n is an integer of 0-3; R2 is a group having the formula —C(Y)-E, wherein Y is O or S, and E is a hydrocarbon group and either: (i) at least one carbon-carbon or carbon-nitrogen unsaturated bond or (ii) at least one alkyl halide group; R3 is selected from H, NR′2, NHC(O)R′, and —(CH2)p-T, wherein T contains at least one —NH— linkage; Ra, Rb, Rc, Rd, Re, and Rf are independently selected from of H, hydrocarbon groups containing 1-3 carbon atoms, fluorine atom, and chlorine atom; X is N or CR9, wherein R9 is selected from H, hydrocarbon groups containing 1-3 carbon atoms, fluorine atom, and chlorine atom; and pharmaceutically acceptable salts thereof.

A resin composition and an article made therefrom are provided. The resin composition includes: (A) 100 parts by weight of an unsaturated bond-containing polyphenylene ether resin; (B) 20 parts by weight to 150 parts by weight of a copolymer, the copolymer having a structural unit formed by a monomer of Formula (1) and a structural unit formed by a monomer of Formula (2), and the content of the structural unit formed by the monomer of Formula (2) in the copolymer is 55 wt % to 90 wt %; and (C) 10 parts by weight to 40 parts by weight of an unsaturated bond-containing crosslinking agent. The resin composition may be used to make various articles, such as a prepreg, a resin film, a laminate or a printed circuit board, and at least one of the following properties can be improved, including glass transition temperature, Z-axis ratio of thermal expansion, multi-layer board heat resistance, interconnect stress test, dissipation factor aging rate, temperature coefficient of dielectric constant, temperature coefficient of dissipation factor and branch-like pattern at laminate edges.

The invention belongs to the technical field of rubber auxiliaries and rubber tracks, and particularly relates to a coupling agent composition for inhibiting rubber appearance flooding and application of the coupling agent composition in the rubber tracks. The coupling agent composition comprises the following components in percentage by weight: 15%-30% of coupling agent, 1%-15% of metal chloride and 70%-85% of clay mineral. Different from a microcapsule technology only aiming at anti-aging agent migration, the coupling agent composition disclosed by the invention can effectively capture various types of color-flooding source substances including carbon black residues, anti-aging agents, antioxidants and the like by starting from common characteristics (containing unsaturated bonds, heteroatoms and aromatic structures) of color-flooding small molecules and through the synergistic effect of the coupling agent and metal ions, so that the color-flooding source substances can be effectively captured. And the method has wide applicability. In addition, a composite system composed of the clay, the coupling agent and the metal chloride can improve the bonding strength of the rubber and a track framework material, and is suitable for being applied to a heavy-load rubber track.

The invention relates to a reaction type closed diamine chain extender, dual-curing photosensitive resin, a 3D printed part and a preparation method, the reaction type closed diamine chain extender is obtained through reaction of a diamine chain extender and a functional monomer, the functional monomer at least comprises a functional group A, a functional group B and a functional group C, the functional group A is an aldehyde group or a ketone group and is used for reacting with an amino group in the diamine chain extender; and a functional group B containing a photocurable unsaturated bond. The reactive closed diamine chain extender provided by the invention participates in a photocuring process, so that the strength of a material in a photocuring stage is improved, the product yield in a printing process is ensured, no by-product is generated during subsequent heat treatment, and the mechanical property of a final finished product is not influenced. The dual-curing photosensitive resin can be stably stored for a long time, the mechanical property of the material can be remarkably improved through the photocuring-heat treatment synergistic effect, and the dual-curing photosensitive resin can be used for photocuring 3D printing technologies such as sinking type SLA and pull-up type DLP and LCD at the same time.

The invention relates to a preparation method of lithium fluoroborate containing unsaturated bonds, and belongs to the technical field of lithium ion battery additives. The preparation method comprises the following steps: carrying out reaction on organic acid lithium containing unsaturated bonds and boron trifluoride gas in a solvent at a low temperature of-10 to 0 DEG C, and carrying out solid-liquid separation to obtain a lithium fluoroborate crude product containing unsaturated bonds; the solvent is a poor solvent of lithium fluoroborate containing unsaturated bonds. According to the method, boron trifluoride gas is used as a fluorine reagent, so that introduction of water is avoided; the method has the advantages of simple operation, high product quality, high yield, low cost, full utilization of raw materials, reduction of the generation of three wastes, and suitableness for large-scale production. The yield of the obtained product can reach 96% or above, and the purity can reach 99% or above.

To provide a photosensitive element capable of forming a resist pattern excellent in adhesion of the resist pattern to a substrate and plated copper wiring formability.SOLUTION: The photosensitive element includes a support film and a photosensitive resin layer containing a photosensitive resin composition. The photosensitive resin composition contains, based on the total solid mass in the photosensitive resin composition, the following components: (A) 30-70 mass% of an alkali-soluble polymer; (B) 20-60 mass% of compounds having ethylenically unsaturated bonds; and (C) 4.0-10.0 mass% of a biimidazole photopolymerization initiator. The content of a constituent unit derived from benzyl (meth)acrylate in the component (A) is 40 mass% or more based on the whole component (A). The content of a compound having two ethylenically unsaturated bonds in one molecule in the component (B) is 80 mass% or more based on the whole component (B).SELECTED DRAWING: Figure 2

To provide a resin material which improves handleability of a semi-cured product.SOLUTION: There are used: a polymerizable unsaturated bond-containing resin which is a polymer using a polymerizable compound represented by the following formula (1) as a monomer component and has a weight average molecular weight (Mw) of 3,000 or more; and a resin composition containing the resin. In addition, there are provided a prepreg, a resin film, a metal-clad laminate, a printed wiring board, and a semiconductor package obtained using the resin or the resin composition. (In formula (1), Ar1 represents an aromatic ring structure and has one or more polymerizable unsaturated bond-containing groups on an aromatic ring; X represents a structure represented by the following formula (2); and n represents an integer of 1-10.) (In formula (2), R1 represents a C1-8 alkylene group; and Ar2 represents an aromatic ring structure.)SELECTED DRAWING: None

The present invention relates to a process for producing a coating from an aqueous, radiation-curable coating composition, wherein the process comprises the steps in the sequence (1) to (4):(1) applying an aqueous, radiation-curable coating composition on a surface of a substrate,(2) drying the aqueous, radiation-curable coating composition, affording an at least partially dried coating composition,(3) irradiating the at least partially dried coating composition with UV light having a wavelength s 220 nm under inert atmosphere, followed by(4) irradiating with UV light having a wavelength 300 nm or with E-beam,wherein the aqueous, radiation-curable coating composition is a dispersion comprising:(A) at least one water-dispersible polyurethane (A), wherein the polyurethane (A) has a urea group (—NH—CO—NH—) concentration of at least 0.1 milli-equivalents per g of polyurethane (A) and of at most 2.6 milli-equivalents per g of polyurethane (A) and the polyurethane (A) is essentially free of radiation-curable, ethylenically unsaturated bonds,(B) at least one radiation-curable diluent (B) with a molar mass less than 750 g / mol and with an acrylate functionality of from 2 to 5, and(C) water and optionally organic solvent, whereby the optional organic solvent is present in an amount of at most 30 wt. %, based on the total amount of water and organic solvent,whereinthe amount of (A) is from 30 to 85 wt. % and the amount of (B) is from 15 to 70 wt. %,based on the total amount of (A) and (B).

The invention discloses an in-situ curable electrolyte, an in-situ curable electrolyte formed by the in-situ curable electrolyte and a battery. The in-situ curable electrolyte comprises an electrolyte and an electrolyte additive, wherein the electrolyte additive comprises a compound A and a compound B, and the compound A is selected from one or more of compounds with a structure as shown in a formula (1); the compound B is selected from one or more of amino-containing compounds; in the formula (1), R3 is a substituent group containing an unsaturated bond. The in-situ curing electrolyte formed by the electrolyte capable of being cured in situ contains a multiple cross-linked network structure formed by interaction of amido and thiolactone, so that the mechanical strength of the gel electrolyte is improved; meanwhile, the gel electrolyte contains disulfide bonds and hydrogen bonds, so that the gel electrolyte is endowed with certain self-repairing capability, and the cycle life of a battery can be prolonged. # imgabs0 #

To provide a photosensitive composition capable of forming pixels with fine line width, and excellent in lithography property, a method for producing an optical filter and a method for producing a solid state image sensor.SOLUTION: A photosensitive composition includes a coloring agent A, a photopolymerization initiator B, a polymerizable monomer C containing an ethylenically unsaturated group, and a polymerizable resin D containing an ethylenically unsaturated bond-containing group, where a content of coloring agent A in the total solid content of the photosensitive composition exceeds 50 mass%, the content of polymerizable monomer C in the total solid content of the photosensitive composition is 4 mass% or more, and the composition contains 5 to 200 pts.mass of polymerizable monomer C per 100 pts.mass of polymerizable resin D, suitable for exposure with light at a wavelength of 300 nm or less.SELECTED DRAWING: None