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1. WO2020133327 - EXTERNAL PROTECTIVE COATING FOR ALUMINUM PLASTIC FILM OF LITHIUM BATTERY AND PREPARATION METHOD THEREFOR

Publication Number WO/2020/133327
Publication Date 02.07.2020
International Application No. PCT/CN2018/125276
International Filing Date 29.12.2018
IPC
C09D 175/14 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
175Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
04Polyurethanes
14Polyurethanes having carbon-to-carbon unsaturated bonds
C09D 5/08 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
5Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
08Anti-corrosive paints
C09D 7/61 2018.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
7Features of coating compositions, not provided for in group C09D5/88; Processes for incorporating ingredients in coating compositions
40Additives
60non-macromolecular
61inorganic
C09D 7/65 2018.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
7Features of coating compositions, not provided for in group C09D5/88; Processes for incorporating ingredients in coating compositions
40Additives
65macromolecular
H01M 2/02 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2Constructional details, or processes of manufacture, of the non-active parts
02Cases, jackets or wrappings
CPC
C08K 2003/2227
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
3Use of inorganic substances as compounding ingredients
18Oxygen-containing compounds, e.g. metal carbonyls
20Oxides; Hydroxides
22of metals
2227of aluminium
C08K 2003/265
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
3Use of inorganic substances as compounding ingredients
18Oxygen-containing compounds, e.g. metal carbonyls
24Acids; Salts thereof
26Carbonates; Bicarbonates
265Calcium, strontium or barium carbonate
C09D 175/14
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
175Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
04Polyurethanes
14Polyurethanes having carbon-to-carbon unsaturated bonds
C09D 5/08
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
5Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced
08Anti-corrosive paints
C09D 7/61
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
7Features of coating compositions, not provided for in group C09D5/00
40Additives
60non-macromolecular
61inorganic
C09D 7/65
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
7Features of coating compositions, not provided for in group C09D5/00
40Additives
65macromolecular
Applicants
  • 江西明冠锂膜技术有限公司 JIANGXI MING-CROWN LITHIUM-MEMBRANE TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 丁新 DING, Xin
Agents
  • 北京天盾知识产权代理有限公司 BEIJING GENIUS GUARD INTELLECTUAL PROPERTY AGENT LTD.
Priority Data
201811583068.124.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) EXTERNAL PROTECTIVE COATING FOR ALUMINUM PLASTIC FILM OF LITHIUM BATTERY AND PREPARATION METHOD THEREFOR
(FR) REVÊTEMENT DE PROTECTION EXTERNE POUR FILM EN PLASTIQUE MÉTALLISÉ D'UNE BATTERIE AU LITHIUM ET PROCÉDÉ DE PRÉPARATION ASSOCIÉ
(ZH) 一种锂电池铝塑膜用的外保护涂料及其制备方法
Abstract
(EN)
An external protective coating for an aluminum plastic film of a lithium battery and a preparation method therefor. The external protective coating comprises 100-200 parts of a polyester polyol, 20-30 parts of TDI, 200-250 parts of an organic solvent, 8-17 parts of an inorganic filler, and 1-5 parts of a dispersant, the inorganic filler being at least one of kaolin, calcium carbonate, silica, and aluminum hydroxide. By adding an inorganic filler to the external protective coating, the external protective coating is provided with good chemical corrosion resistance, and the addition of a dispersing agent can uniformly disperse the inorganic filler in the coating. The resulting coating has strong barrier properties and can prevent an aluminum plastic film from being corroded, and has excellent friction resistance.
(FR)
La présente invention concerne un revêtement de protection externe pour un film en plastique métallisé d'une batterie au lithium et un procédé de préparation associé. Le revêtement de protection externe comprend 100 à 200 parties d'un polyol de polyester, 20 à 30 parties de TDI, 200 à 250 parties d'un solvant organique, 8 à 17 parties d'une charge inorganique et 1 à 5 parties d'un dispersant, la charge inorganique étant au moins une substance parmi le kaolin, le carbonate de calcium, la silice et l'hydroxyde d'aluminium. En ajoutant une charge inorganique au revêtement de protection externe, le revêtement de protection externe est doté d'une bonne résistance à la corrosion chimique, et l'ajout d'un agent dispersant peut disperser uniformément la charge inorganique dans le revêtement. Le revêtement obtenu présente de fortes propriétés de barrière, peut empêcher un film en plastique métallisé d'être corrodé et présente une excellente résistance au frottement.
(ZH)
一种锂电池铝塑膜用的外保护涂料及其制备方法,外保护涂料包括100-200份聚酯多元醇、20-30份TDI、200-250份有机溶剂、8-17份无机填料和1-5份分散剂,所述无机填料为高岭土、碳酸钙、二氧化硅和氢氧化铝中的至少一种。通过在外保护涂料中加入无机填料,耐化学腐蚀性能好,加入分散剂,能够将无机填料均匀地分散于涂料中,形成的涂层阻隔性强,能够很好地避免铝塑膜被腐蚀,并且具有优良的耐摩擦性能。
Also published as
Latest bibliographic data on file with the International Bureau