上海佑鑫包装材料有限公司

Product Descritption

History: polyvinylidene chloride, usually referred to as PVDC. PVDC processing technology is only the beginning of the proof packaging used in military, civilian into the 1950s, applied in foreign countries have a long history. Due to the blockade of technical and other reasons, until the 1980s, began to carry out research and development on PVDC, 1990s, China introduced PVDC emulsion coating equipment and coating technology. Beginning of the 21st century, with the first coating equipment debug domestic success, the first large-scale domestic PVDC latex production, began a comprehensive PVDC coated film emulsion coating, coating technology, coating equipment domestic production.

 

Description: PVDC coated films commonly called K film is biaxially oriented polypropylene (BOPP), biaxially oriented polyester (BOPET), biaxially oriented nylon (BOPA) film as the substrate, coated PVDC latex primer glue or polyurethane primer, PVDC latex topcoat film after drying, the film coating cured continued to achieve good dense crystalline obtained finished film. Generally based on PVDC coated film coating can be divided into single, double coated film; according to different properties can be divided into: low temperature heat sealing type, printing complex, boiled type, heat-seal, efficient environmentally friendly, hard sheet type.

 

Applications: Features PVDC coated films is reflected in its excellent impermeability, namely oxygen, water vapor, flavor, etc. have very low permeability, but also waterproof, anti-oil, anti-oil, anti-chemical resistance including Some solvents; these chemicals include inorganic acids, bases, aqueous salt solutions, water-soluble organic acid having no long chain aliphatic hydrocarbons, aromatic compounds also include modified, such as cyclohexane or pine oil, ethanol, methanol, ethanol, propanol, and comprising an oil, ester oils and waxes, including the long-chain fatty acids, but also the final washing-based material such as surface-active substances.

 

Performance: The product has excellent barrier properties, is often used in a number of aromatic and greasy food packaging, can greatly extend the freshness of food, aroma time. (See Table 1)

 

类型

印刷复合型

水煮型

热封型

高效环保型

硬片型

基材

BOPPPET

各类薄膜

BOPA

BOPPPET

BOPP

PVC

型号

YFA3301

YFA303

YFA803

YFA702

YF302

--

涂布面

双面

单面

单面

单面

单面

单面

涂层厚度

2.5~3

2~3

2~3

2~3

2~3

26~52

印刷复合

单面√

简单印刷

×

O2TR

10~13

4~9

4~9

10~15

4~9

2

cof.

0.4

0.4~0.8

0.4~0.8

0.4~0.8

0.4~0.8

0.6~0.8

溶剂残留

2

2

2

2

0.5

0.5

应用

高速包装

中低速包装

推荐

含油食品

含油食品

水煮食品

轻质小袋

含油食品

药片

应用实例

香烟、香烟条包、吸氧剂、电蚊香片、热敷灵、沙淇玛、蛋糕、月饼、饼干、干果、菜包、糖果、调味包、油包、火腿、鱼干、海产品、榨菜、药片

 

单位:涂层厚度,µm ;O2TR,cm3/m2•24h;溶剂残留,mg/m2

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