Card base film

A film and card base technology, applied in the field of card base film, can solve the problems of low temperature resistance, poor environmental protection of polyvinyl chloride, easy warping of copolyester, etc., achieve good safety protection function, improve production environment, and simplify processing The effect of craftsmanship
CN102700212AInactive Publication Date: 2012-10-03SICHUAN LONGHUA FILM CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
SICHUAN LONGHUA FILM CO LTD
Publication Date
2012-10-03
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a card base film. The card base film comprises a high polymer material main body, a first surface texture structural layer and a second surface texture structural layer, wherein the high polymer material main body is arranged between the first surface texture structural layer and the second surface texture structural layer. The card base film disclosed by the invention has the advantages as follows: the structure of the card base film is optimized, so that the card base film has the advantages of excellent temperature resistance, impact resistance, printing property, molding property and environment friendliness; a machining process is simplified; the production efficiency is increased; the production environment is improved; and a better safety protective function is obtained.
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Description

technical field

[0001] The invention relates to a film, in particular to a card base film. Background technique

[0002] In recent years, with the construction of the national gold card project and the rapid development of e-commerce, various magnetic stripe cards, bank cards, social security cards, integrated circuit cards and other cards have been used in finance, transportation, medical care, electronics, trade, post and telecommunications, tourism, etc. It has been widely used in many industries, which greatly facilitates people's work, study and life. However, with the improvement of people's requirements and the rapid development of technology, the performance requirements for making card base materials are increasing day by day, mainly focusing on improving temperature resistance. , Impact resistance, printability, formability, environmental protection and safety protection performance requirements.

[0003] Existing materials used to make card bases such as polyviny...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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