Anti-hardening strip packed BOPP thin film for ultra-smooth cigarettes and preparation method thereof
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An anti-caking, super cool technology, applied in chemical instruments and methods, applications, household components, etc., can solve problems such as lost customers, film waste, unrealistic, etc., to reduce film stripping, low surface resistance, and smoothness improvement. Effect
Inactive Publication Date: 2018-09-28
ZHANJIANG PACKAGING MATERIAL ENTERPRISES
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Problems solved by technology
From the perspective of customer first and customer satisfaction, it can be said that it is unrealistic to unify the needs of customers, otherwise customers will be lost
However, the waste ca
Method used
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Embodiment 1
[0036] Raw material formula:
[0037] (1) Upper surface layer
[0038] Copolymer polypropylene 86 parts by weight
[0039] 12 parts by weight of slip agent masterbatch
[0040] 2 parts by weight of anti-adhesive masterbatch
[0041] The carrier of slip agent masterbatch and anti-adhesive masterbatch is polypropylene copolymer, the active ingredient of slip agent masterbatch is high-viscosity silicone, the concentration is 10%; the active ingredient of anti-adhesive masterbatch is synthetic resin, the concentration is is 5%.
[0042] (2) core layer
[0043] 79 parts by weight of homopolymer polypropylene
[0044] Stiffening agent masterbatch 18 parts by weight
[0045] 3 parts by weight of antistatic agent masterbatch
[0046] The carrier of stiffening agent masterbatch and antistatic agent masterbatch is homopolymer polypropylene. The active ingredient of the stiffener masterbatch has a melting point of 160°C and a C 9 The hydrogenated resin, the active ingredient of ...
Embodiment 2
[0058] The production process and components are basically the same as in Example 1, except that the raw material formulation is different.
[0059] Raw material formula:
[0060] (1) Upper surface layer
[0061] Copolymer polypropylene 88 parts by weight
[0062] 10 parts by weight of slip agent masterbatch
[0063] 2 parts by weight of anti-adhesive masterbatch
[0064] (2) core layer
[0065] 75 parts by weight of homopolymer polypropylene
[0066] Stiffening agent masterbatch 22 parts by weight
[0067] 3 parts by weight of antistatic agent masterbatch
[0068] (3) Lower surface layer
[0069] Copolymer polypropylene 97 parts by weight
[0070] Slippery agent masterbatch 2 parts by weight
[0071] 1 part by weight of anti-adhesive masterbatch
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Abstract
The invention provides an anti-hardening strip packed BOPP thin film for ultra-smooth cigarettes and a preparation method thereof. The anti-hardening strip packed BOPP thin film is prepared from an upper surface layer, a core layer and a lower surface layer which are directly coextruded and composited. A special silicone smooth master batch and a modified silica anti-adhering master batch are added in the lower surface layer. The lower surface layer uses the high-viscosity silicone bead smooth master batch, a silicone-oil-treated silicon dioxide anti-adhering agent and silica powder with the level being close to the nanometer level, and under the condition that the dosage is less and does not affect the haze, the thin film of an ABA structure is prepared. The normal temperature and high temperature friction coefficients of the anti-hardening strip packed BOPP thin film are increased greatly, the anti-hardening performance of the anti-hardening strip packed BOPP thin film is greatly improved, the original advantage of the low haze is maintained, and the industry problem of core winding and film stripping of customers is solved.
Description
technical field [0001] The invention belongs to the field of film materials, and in particular relates to a BOPP film for rod wrapping of anti-hardening super cool cigarettes and a preparation method thereof. Background technique [0002] In recent years, due to the increasing individual needs of customers, it is necessary to develop products with different performances for different customer needs. From the perspective of customer first and customer satisfaction, it can be said that it is unrealistic to unify the needs of customers, and it may lose customers. However, the waste caused by too many types of films scheduled for production is also obvious. It is the best choice to develop stick-pack products with better tolerance to replace the existing several products. [0003] At present, there are a variety of stick products that coexist, firstly, the thickness and specifications are different; secondly, the physical properties are different, that is, the process parameter...
Claims
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