Polypropylene adhesive resin with high strength and high oxygen barrier property and preparation method thereof

A technology for bonding resin and polypropylene, applied in the field of manufacturing polypropylene bonding resin, can solve the problems of poor oxygen barrier and poor transparency, and achieve the effects of simple preparation process, easy availability of raw materials and equipment

Pending Publication Date: 2020-04-21
SHANGHAI BANGZHONG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-strength and high-oxygen-barrier polypropylene adhesive resin and a preparation method ther

Method used

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  • Polypropylene adhesive resin with high strength and high oxygen barrier property and preparation method thereof
  • Polypropylene adhesive resin with high strength and high oxygen barrier property and preparation method thereof
  • Polypropylene adhesive resin with high strength and high oxygen barrier property and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A high-strength and high-oxygen barrier polypropylene adhesive resin, comprising the following components by weight:

[0027]

[0028] The monofilament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630° C., and the density is 2.35-2.72 g / cm 3 , the length is 2-5mm;

[0029] The diameter-thickness ratio of the mica powder is greater than 80, the specific gravity is 2.6-2.7, and the particle size is 400 mesh.

[0030] The polar compatibilizer is maleic anhydride grafted polypropylene with a density of 0.865-0.875g / cm 3 , the grafting rate is 0.8-1.5%, the melt index is 45-50g / 10min (190°C, 2.16kg), the tensile strength is 25-28MPa, and the melting point is 135-140°C.

[0031] The preparation method of the above high-strength and high-oxygen barrier polypropylene adhesive resin comprises the following steps:

[0032] (1) Weigh polypropylene, quartz fiber, mica powder, polar compatibilizer, dioctadecyl ammonium salt according to the proportioning...

Embodiment 2

[0035] A high-strength and high-oxygen barrier polypropylene adhesive resin, comprising the following components by weight:

[0036]

[0037] The monofilament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630° C., and the density is 2.35-2.72 g / cm 3 , the length is 2-5mm.

[0038] The diameter-thickness ratio of the mica powder is greater than 80, the specific gravity is 2.6-2.7, and the particle size is 400 mesh.

[0039] The polar compatibilizer is maleic anhydride grafted polypropylene with a density of 0.865-0.875g / cm 3 , the grafting rate is 0.8-1.5%, the melt index is 45-50g / 10min (190°C, 2.16kg), the tensile strength is 25-28MPa, and the melting point is 135-140°C.

[0040] The preparation method of the above high-strength and high-oxygen barrier polypropylene adhesive resin comprises the following steps:

[0041] (1) Weigh polypropylene, quartz fiber, mica powder, polar compatibilizer, dioctadecyl ammonium salt according to the proportioning...

Embodiment 3

[0044] A high-strength and high-oxygen barrier polypropylene adhesive resin, comprising the following components by weight:

[0045]

[0046] The monofilament diameter of the quartz fiber is 6-12 μm, the softening point is 550-630° C., and the density is 2.35-2.72 g / cm 3 , the length is 2-5mm.

[0047] The diameter-thickness ratio of the mica powder is greater than 80, the specific gravity is 2.6-2.7, and the particle size is 400 mesh.

[0048] The polar compatibilizer is maleic anhydride grafted polypropylene with a density of 0.865-0.875g / cm 3 , the grafting rate is 0.8-1.5%, the melt index is 45-50g / 10min (190°C, 2.16kg), the tensile strength is 25-28MPa, and the melting point is 135-140°C.

[0049] The preparation method of the above high-strength and high-oxygen barrier polypropylene adhesive resin comprises the following steps:

[0050] (1) Weigh polypropylene, quartz fiber, mica powder, polar compatibilizer, dioctadecyl ammonium salt according to the proportioning...

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Abstract

The invention relates to polypropylene adhesive resin with high strength and high oxygen barrier property and a preparation method thereof. The polypropylene adhesive resin comprises the following components in parts by weight: 65-82 parts of polypropylene, 10-18 parts of quartz fiber, 6-10 parts of mica powder, 12-20 parts of a compatilizer and 1-10 parts of a dioctadecyl ammonium salt, wherein the monofilament diameter of the quartz fiber is 6-12 [mu]m, the softening point of the quartz fiber is 550-630 DEG C, and the density of the quartz fiber is 2.35-2.72 g/cm<3>. The polypropylene adhesive resin has high strength and high oxygen barrier property under the compounding action of the quartz fiber, the mica powder, the polar compatilizer and the dioctadecyl ammonium salt, and is used forenhancing a polypropylene material, so the problems of poor transparency and poor oxygen barrier property of the polypropylene material are solved; besides, the preparation method of the polypropylene adhesive resin is simple in preparation process, uses easily-available raw materials and equipment and can realize large-scale production.

Description

technical field [0001] The invention relates to the technical field of manufacturing polypropylene adhesive resin, in particular to a polypropylene adhesive resin with high strength and high oxygen resistance and a preparation method thereof. Background technique [0002] Polymer-type polypropylene materials have a lower heat distortion temperature (100°C), low transparency, low gloss, and low rigidity. The impact strength of polymer-type polypropylene materials increases with the increase of ethylene content, while Strength decreases with increasing ethylene content. The Vicat softening temperature of the polymer-type polypropylene material is 150°C, and its Vicat softening temperature is relatively high, so the material has better dimensional stability when heated, the smaller the thermal deformation, the better the thermal deformation resistance. In addition, due to the high crystallinity of the polymer-type polypropylene material, this material has strong surface stiffn...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L51/06C08K7/10C08K3/34C08K5/19
CPCC08L23/12C08K2201/004C08L2201/14C08L2201/10C08L51/06C08K7/10C08K3/34C08K5/19
Inventor 汪丽毕宏海储江顺李楠杨少辉肖传富孙晓光毕宏江欧阳贵
Owner SHANGHAI BANGZHONG NEW MATERIAL
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