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66 results about "Phenanthrene derivative" patented technology

Organic phosphaphenanthrene derivatives, and preparation method and application thereof

The invention discloses organic phosphaphenanthrene derivatives, and a preparation method and application thereof. The structural formula of the organic phosphaphenanthrene derivatives is disclosed as Formula I, wherein the group disclosed as Formula II is from carboxylic acid derivatives or acyl chloride derivatives, the group A is from organic phosphaphenanthrene compounds, and the group A is connected with the group disclosed as Formula II through a P-C bond. The preparation method of the organic phosphaphenanthrene derivatives comprises the following steps: carrying out esterification reaction on glycerol and carboxylic acid derivatives or acyl chloride derivatives to obtain glycerol ester derivatives; and under the action of a catalyst, carrying out reaction on the glycerol ester derivatives and organic phosphaphenanthrene compounds. The organic phosphaphenanthrene derivatives can enhance the flame retardancy of the polymer, and can enhance the flame retardancy of the prepared material when being added as a functional aid for preparing high-polarity engineering plastics of PET (polyethylene terephthalate), PBT (polybutylene terephthalate) and other polyesters and PA6 (polyamide 6), PA66 (polyamide 66) and other polyamides.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Composition for forming liquid crystal layer, liquid crystal display device, and method for producing liquid crystal display device

The present invention provides a composition for forming a liquid crystal layer from which a liquid crystal display device hardly generating image sticking can be obtained. The composition for forming a liquid crystal layer according to the present invention contains a liquid crystal material and one or two or more monomers, wherein at least one of the monomers is a phenanthrene derivative represented by the following chemical formula (1):
the following chemical formula (2):
or the following chemical formula (3):
wherein R1 and R2 are identical or different, and each denote an -Sp-P group, a hydrogen atom, a halogen atom, a —CN group, a —NO2 group, a —NCO group, a —NCS group, an —OCN group, a —SCN group, a —SF5 group, or a straight-chain or branched-chain alkyl group having 1 to 12 carbon atoms; at least one of R1 and R2 denotes an -Sp-P group; P denotes a polymerizable group; Sp denotes a straight-chain, branched-chain or cyclic alkylene group or alkyleneoxy group having 1 to 6 carbon atoms, or a direct bond of both groups interposing Sp; a hydrogen atom which R1 and R2 have may be replaced by a fluorine atom or a chlorine atom; and a —CH2— group which R1 and R2 have, unless oxygen atoms, sulfur atoms and nitrogen atoms are mutually adjacent, may be substituted with an —O— group, a —S— group, a —NH— group, a —CO— group, a —COO— group, a —OCO— group, an —O—COO— group, a —OCH2— group, a —CH2O— group, a —SCH2— group, a —CH2S— group, a —N(CH3)— group, a —N(C2H5)— group, a —N(C3H7)— group, a —N(C4H5)— group, a —CF2O— group, a —OCF2— group, a —CF2S— group, a —SCF2— group, a —N(CF3)— group, a —CH2CH2— group, a —CF2CH2— group, a —CH2CF2— group, a —CF2CF2— group, a —CH═CH— group, a —CF═CF— group, a —C≡C— group, a —CH═CH—COO— group, or a —OCO—CH═CH— group.
Owner:SHARP KK +1

Halogen-free flame-retardant master batch for continuous long glass fiber reinforced polypropylene and preparation method of halogen-free flame-retardant master batch

ActiveCN114031844AIncrease fill capacityGood compatibilityGlass fiberPolymer science
The invention discloses a halogen-free flame-retardant master batch for continuous long glass fiber reinforced polypropylene and a preparation method of the halogen-free flame-retardant master batch. The halogen-free flame-retardant master batch consists of a polypropylene carrier, a halogen-free flame retardant, a hyperdispersant, a lubricant, a coupling agent and an antioxidant. The polypropylene carrier is a mixture of homo-polypropylene and co-polypropylene resin. The halogen-free flame retardant comprises a low-melting-point lubricating flame-retardant auxiliary agent, and the low-melting-point lubricating flame-retardant auxiliary agent is one or a mixture of several of a phosphaphenanthrene derivative or a phosphazene derivative with the melting point lower than 170 DEG C. The halogen-free flame-retardant master batch for the continuous long glass fiber added polypropylene is extruded at the extrusion temperature of 170 DEG C-210 DEG C, and is granulated by a special long strip granulator for LFTPP under the tension action of a traction machine to obtain the halogen-free flame-retardant master batch for the continuous long glass fiber added polypropylene. The halogen-free flame-retardant master batch can improve the processing fluidity of the continuous long glass fiber reinforced polypropylene material and the uniform dispersion of powder, so that a product prepared from the continuous long glass fiber reinforced polypropylene material has better uniformity. The invention also provides a preparation method of the halogen-free flame-retardant master batch.
Owner:ZHEJIANG XUSEN NON HALOGEN SMOKE FLAME RETARDANT CO LTD +1
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