Abstract:
A modified copolymer is provided. The modified copolymer includes a random copolymer of a repeat unit of formula (I) and a repeat unit of formula (II) wherein M is derived from monomers with double bonds, R is a direct bond or an aliphatic hydrocarbon chain group having 1 to 12 carbon atoms, a cyclic aliphatic hydrocarbon group having 3 to 16 carbon atoms, an alkylcarbonyloxy group having 2 to 6 carbon atoms, a carbonyl group, an ether group, an ester group, an amide group, an aromatic group having 6 to 16 carbon atoms, or a divalent group having any of the above groups, wherein m and x are positive integers less than 50. The weight average molecular weight of the modified copolymer is between 3000 and 30000.
Abstract:
The invention provides a furan-modified compound or oligomer. The compound has a structure represented by Formula I: When formula I represents a compound, x is an integer of 1˜5; A including a group formed of ketone, amido, imide, imido, phenyl ether or enol ether group; G is a direct bond, —O—, —N—, —Ar—NH—(CH2)b—, —Ar—O—(CH2)b—, —Ar—O—(CH2)a—NH—(CH2)b—, —(CH2)a—NH—(CH2)b—, —(CH2)a—O—(CH2)b— or —(CH2)a—CH(OH)—(CH2)b—NH—; Ar is substituted or unsubstituted arylene group; a is an integer of 1 to 5; and b is an integer of 0 to 5.
Abstract:
A transparent conductive film composite is provided. The transparent conductive film composite includes (a) 0.07-0.2 wt % of a metallic material; (b) 0.01-0.5 wt % of a dispersant; and 99.3-99.92 wt % of a solvent, wherein the metallic material (a) includes: (a1) 84-99.99 wt % of metal nanowires; and (a2) 0.01-16 wt % of micron metal flakes. A transparent conductive film manufactured from the transparent conductive film composite is also provided.
Abstract:
A polyamide-imide represented by the following formula is provided. A graphite film prepared by performing a thermal treatment process on the polyamide-imide represented by the above-mentioned formula is also provided. In the thermal treatment process, the temperature range of the thermal treatment process ranges from 25° C. to 2,900° C.
Abstract:
A reversible crosslinking reactant composition is provided. The composition includes at least one furan-group-containing oligomer and a bismaleimide compound having a structure represented by Formula (II) wherein the furan-group-containing oligomer is an oligomer having a structure represented by Formula (IV), an oligomer having a structure represented by Formula (V), or an oligomer having a first repeating unit and a second repeating unit, wherein the first repeating unit has a structure represented by Formula (VI), the second repeating unit has a structure represented by Formula (VII), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, q, z and E are as defined in specification.
Abstract:
A method for manufacturing a thermally conductive material is provided, which includes mixing 1 part by mole of (a) aromatic epoxy resin monomer, 0.25 to 1 part by mole of (b) cycloaliphatic epoxy resin monomer, and 1 to 9 parts by mole of (c) aliphatic epoxy resin monomer to form a resin composition. The method also includes heating and curing the resin composition to form a thermally conductive material.
Abstract:
An epoxy resin composition is provided. The epoxy resin composition includes a first aromatic epoxy resin represented by formula (I), and an amino compound selected from a group that includes 4,4′-methylenedianiline, 4,4′-ethylenedianiline, 4,4′-bis(4-aminophenoxy)biphenyl and 1,4-bis(4-aminophenoxy)benzene, wherein the ratio between the epoxy groups of the first aromatic epoxy resin and the amino groups of the amino compound ranges from 1:1 to 2:1.
Abstract:
Disclosed is a conductive paste composition, including 100 parts by weight of copper powder, 40 to 150 parts by weight of silver powder, 0.1 to 3 parts by weight of carbon powder, 1 to 5 parts by weight of glass powder, and 5 to 15 parts by weight of binder. The conductive paste composition can be applied on a substrate, and then sintered under atmosphere at a high temperature to form an electrode on the substrate.
Abstract:
A resin formulation is provided. The resin formulation includes carboxy anhydride at 100 parts by weight, first diisocyanate having the following formula (I) at 20-90 parts by weight, second diisocyanate having the following formulas (II), (III) or a combination thereof at 45-103 parts by weight, and bismaleimide (BMI) at 50-200 parts by weight. A resin polymer and a composite material including the resin polymer are also provided. In formulas (I), (II) and (III), A includes benzene or cyclohexane, Q includes C1-C12 alkylene, —O—, —S— or —SO2—, X includes —H, —CH3 or —CH2CH3, R1 includes —H, —CH3 or —CH2CH3, and E includes —H, —CH3 or —CH2CH3.