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Biaxial tension polypropylene synthetic paper and manufacture method thereof

A polypropylene synthetic paper, two-way stretching technology, applied in chemical instruments and methods, synthetic resin layered products, packaging paper, etc., can solve the problems of easy peeling and poor interlayer strength, and achieve enhanced printing performance and low density , the effect of mature technology

Inactive Publication Date: 2007-08-15
QUANZHOU LICHANG PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a three-layer co-extruded biaxially oriented polypropylene synthetic paper and its preparation method for the existing three-layer co-extruded PP synthetic paper with poor interlayer strength and easy peeling.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Biaxially stretched polypropylene synthetic paper of the present invention adopts three-layer co-extrusion, and 2 surface layers are pearlescent layer, and the raw material composition of pearlescent layer is PP and antiblocking agent, by mass ratio PP: antiblocking agent=100: 1, The thickness is 2.5 μm, the anti-blocking agent of the pearlescent layer adopts ABPP05 anti-blocking agent; the core layer is an inorganic foam layer, and its raw material composition and content by mass ratio are: polypropylene resin 80, pearlescent masterbatch 15, antistatic agent 2. The thickness is 150 μm; the total thickness of biaxially oriented polypropylene synthetic paper is 155 μm, the pearlescent masterbatch of the core layer can be ZG905 pearlescent masterbatch, the antistatic agent of the core layer can be AY088NPP antistatic agent, biaxially oriented polypropylene The density of synthetic paper is 0.55g / cm 3 .

Embodiment 2

[0030] Biaxially stretched polypropylene synthetic paper of the present invention adopts three-layer co-extrusion, and 2 surface layers are pearlescent layer, and the raw material composition of pearlescent layer is PP and antiblocking agent, by mass ratio PP: antiblocking agent=100: 1.5, The thickness is 1.5 μm, and the anti-blocking agent of the pearlescent layer adopts ABPP05 anti-blocking agent; the core layer is an inorganic foam layer, and its raw material composition and content by mass ratio are: polypropylene resin 90, pearlescent masterbatch 5, antistatic agent 2. The thickness is 35 μm; the total thickness of the biaxially oriented polypropylene synthetic paper is 38 μm, the pearlescent masterbatch of the core layer adopts ZG905A pearlescent masterbatch, the antistatic agent of the core layer adopts AS1231PP antistatic agent, and the biaxially oriented polypropylene synthetic paper The density is 0.70g / cm 3 .

Embodiment 3

[0032]Biaxially stretched polypropylene synthetic paper of the present invention adopts three-layer coextrusion, and 2 surface layers are pearly layer, and the raw material composition of pearly layer is PP and antiblocking agent, by mass ratio PP: antiblocking agent=100: 1.25, The thickness is 3.5 μm, and the anti-blocking agent of the pearlescent layer adopts ABPP05 anti-blocking agent; the core layer is an inorganic foam layer, and its raw material composition and content by mass ratio are: polypropylene resin 70, pearlescent masterbatch 25, antistatic agent 2. The thickness is 245μm. The total thickness of the biaxially oriented polypropylene synthetic paper is 252 μm, the pearlescent masterbatch of the core layer adopts ZG905D pearlescent masterbatch, the antistatic agent of the core layer adopts AY088NPP antistatic agent, and the density of the biaxially oriented polypropylene synthetic paper is 0.95g / cm 3 .

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Abstract

A method for producing bidirectional drawing polypropylene composite paper is characterized in foam or specific porous thin layer. The inventive bidirectional drawing polypropylene composite paper has three-layer extrusion, while two surface layers are pearl layer or extinction layer, the pearl layer is PP and adhesive resistant, the extinction layer is extinction mother material, the corn layer is inorganic foaming layer which comprises polypropylene resin, pearl mother material and static resistant. The invention fuses and extrudes corn layer and surface layer, while the extruded corn layer fusion is extruded via a metering pump to be filtered via a filter network to enter into mould head, and the extruded surface material fusion is directly fed into the mould head, to be cooled and shaped via a cooling roller, and the sheets are fed into longitudinal drawer and transverse drawer, the membrane enters into a drawer to be flattened and on-line measured at thickness, to adjust the thickness, cut edge, and corona, to be coiled, cut, checked and packed.

Description

technical field [0001] The present invention relates to a layered product characterized by containing foam or a thin layer of special porous material, in particular to a biaxially stretched polypropylene (PP) synthetic paper that adopts three-layer co-extrusion. Background technique [0002] The white opaque PP synthetic paper has the characteristics of low density, excellent flatness, light-shielding and waterproof properties, high stiffness and whiteness and high surface tension retention, and can be widely used in packaging and printing industries. The main disadvantage of the existing three-layer co-extruded PP synthetic paper is that the interlayer strength is poor and it is easy to peel off. In order to overcome the shortcomings of the existing three-layer co-extruded PP synthetic paper, there have been some reports and patent applications on five-layer co-extruded PP synthetic paper. [0003] Shenda Group Co., Ltd. and Jiangyin Yabao New Material Co., Ltd. provided a...

Claims

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Application Information

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IPC IPC(8): B32B27/08B32B27/18B32B5/18B29C69/02B29C47/06B29C47/92B29C55/14B29C47/68B29C71/04B29C71/00B65D65/40B29C48/08B29C48/92
CPCB29C47/92B29C48/92B29C48/08B29C2948/92152B29C2948/92428B29C2948/92647B29C2948/92923
Inventor 吕水抽
Owner QUANZHOU LICHANG PLASTIC
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