Related Questions Answers
17-07-2024
( 1 ) At present, the CPE material used in packaging is mainly used for the packaging of what products, and what is the difference between the application of blown film PE ?
A : CPE is cast PE, mainly used for household paper packaging. The stability of thickness is better than that of blown film PE, the transparency is higher than that of blown film PE, the lateral strength is weaker than that of blown film PE, and the cost is higher than that of blown film PE.Both materials can be used for the packaging of household paper, sanitary napkins and diapers. Customers generally choose according to the actual needs of products.
( 2 ) Why is the material of BOPP + nonwoven + CPP recyclable ? Is the middle nonwoven layer also PP ? If the middle nonwoven layer is removed, isn 't it ?
A : BOPP / nonwovens / CPP mainly replaces BOPP / VMPET / CPP to achieve material simplification, convenient recycling, and removal of nonwovens. The structure becomes BOPP / CPP, but this structure has weak frost resistance and is not suitable for use in low temperature areas.
( 3 ) Can household paper and sanitary products be packaged in recycled plastic bags ?
A : Household paper and sanitary products can be packaged with a single material to achieve recycling.
( 4 ) Are biodegradable films currently used in household paper and sanitary packaging ?
A : At present, biodegradable film ( PLA ) is applied in the packaging of household paper and sanitary products, mainly for export products.
( 5 ) Can degradable film only be produced by blowing film process ?
A : The degradable material ( PLA ) changes the structure of the original linear molecular chain of the degradable material ( PLA ) by adding a modified material. By controlling the amount of catalyst and initiator, the ester bond breaking-rearrangement and β-breaking-coupling of the molecular chain are maintained within a controllable and stable equilibrium range, thereby ensuring that the degradable material ( PLA ) has an ultra-high melt index and can meet the production of the casting process.
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