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A kind of electron radiation cross-linked polyolefin pearlescent foam and preparation method thereof

A technology of cross-linking polyolefin and electron radiation, applied in chemical instruments and methods, synthetic resin layered products, layered products, etc., to achieve the effect of beautiful appearance, smooth and delicate surface, and light weight

Active Publication Date: 2018-12-18
HUBEI XIANGYUAN NEW MATERIAL TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no electron radiation crosslinked polyolefin pearlescent foam material in the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0045] A preparation method of electron radiation crosslinked polyolefin pearlescent foam, comprising the following steps:

[0046] The first step: preparation of foam masterbatch:

[0047] Take 60-80Kg low-density polyethylene resin (LDPE), 20-26Kg AC foaming agent, 5-8Kg talcum powder, 1-2Kg polyethylene wax (PE wax), 1-2Kg zinc stearate, 0.8-1Kg antioxidant Add agent 1010, 0.8-1Kg antioxidant 168, 2-3Kg No. 10 white oil into a high-speed mixer, knead at room temperature for 3-5 minutes, and then discharge into a two-stage mixing and granulating machine for mixing and granulation to obtain Foam masterbatch. The working temperature of the two-stage mixing and granulating machine is: 85±5℃ in the first zone, 95±5℃ in the second zone, 100±5℃ in the third zone, 110±5℃ in the fourth zone, 115±5℃ in the fifth zone, and 115±5℃ in the sixth zone. 100±5°C.

[0048] The second step: preparation of flame retardant masterbatch:

[0049] Take 40-60Kg ethylene-vinyl acetate copolymer ...

Embodiment 1

[0061] Embodiment 1: the preparation method of electron radiation crosslinked polyolefin pearlescent foam, this preparation method comprises the following steps successively:

[0062] The first step: preparation of foam masterbatch:

[0063] Get 60Kg low-density polyethylene resin (LDPE), 20KgAC foaming agent, 5Kg talcum powder, 1Kg polyethylene wax (PE wax), 1Kg zinc stearate, 0.8Kg antioxidant 1010, 0.8Kg antioxidant 168, 2Kg10 No. white oil was added to a high-speed mixer, kneaded at room temperature for 5 minutes, and then discharged into a two-stage mixing and granulating machine for mixing and granulation to obtain foam masterbatches. The working temperature of the two-stage mixing and granulating machine is: 85°C in the first zone, 95°C in the second zone, 100°C in the third zone, 110°C in the fourth zone, 115°C in the fifth zone, and 100°C in the sixth zone.

[0064] The second step: preparation of flame retardant masterbatch:

[0065] Get 40Kg ethylene-vinyl acetate...

Embodiment 2

[0079] Step 1: Take 80Kg low-density polyethylene resin (LDPE), 26Kg AC foaming agent, 8Kg talcum powder, 2Kg polyethylene wax (PE wax), 2Kg zinc stearate, 1Kg antioxidant 1010, 1Kg antioxidant 168 1. Add 3Kg No. 10 white oil into a high-speed mixer, knead at room temperature for 3 minutes, and then discharge it into a two-stage mixing and granulating machine for mixing and granulation to obtain foam masterbatches. The working temperature of the two-stage mixing and granulating machine is: 80°C in the first zone, 90°C in the second zone, 95°C in the third zone, 105°C in the fourth zone, 112°C in the fifth zone, and 95°C in the sixth zone.

[0080] The second step: take 60Kg ethylene-vinyl acetate copolymer (EVA), 30Kg linear low-density polyethylene (LLDPE), 100Kg flame retardant magnesium hydroxide, 30Kg flame retardant zinc borate, 20Kg flame retardant ammonium octamolybdate , 4Kg polyethylene wax (PE wax), 1Kg antioxidant 1010, 1Kg antioxidant 168, 3Kg No. 10 white oil, 2Kg...

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Abstract

The invention relates to a polyolefin pearlescent foam and a preparation method thereof, comprising the following steps: 1) preparing a foam masterbatch; 2) preparing a flame-retardant masterbatch; 3) preparing a calcium carbonate filling masterbatch: 4) adding raw materials to a high-speed Prepare ingredient 1 in the mixer; 5) Add the raw materials to the high-speed mixer to prepare ingredient 2; 6) Double-layer compound extrusion: add ingredient 1 and ingredient 2 into the hopper of the double-layer compound extruder, and extrude into a double-layer compound sheet; 7) radiation crosslinking of the composite sheet; 8) foaming of the composite sheet; 9) cutting of the composite sheet to obtain the finished product. The polyolefin pearlescent foam prepared by the invention has good luminous effect, easy preparation of raw materials and low preparation cost.

Description

technical field [0001] The invention relates to a polyolefin pearlescent foam and a preparation method thereof, in particular to an electron radiation crosslinked polyolefin pearlescent foam with good luminous effect, easy preparation of raw materials and low preparation cost and a preparation method thereof. Background technique [0002] In order to protect our company's foam series products and improve product appearance, our company has prepared and invented an electronic radiation cross-linked polyolefin pearlescent foam material with anti-counterfeiting effect and beautiful appearance. [0003] Electron radiation cross-linked polyolefin foam sheet, that is, IXPE (Irradiation crossickedpolyethylene foam) foam material, is a polyolefin polymer and various additives blended and extruded, cross-linked by electron accelerator radiation, high-temperature foaming process The prepared polymer foam material. At present, there are many kinds of products on the market, but there ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J9/10C08J3/28C08J3/24C08J3/22B32B27/06B32B27/16B32B27/18B32B27/32B29C69/00B29C47/92B29C47/06B29C71/04B29B9/06B29C48/92B29C48/08B29C48/875
CPCB29B7/726B29B9/06B29C48/875B29C48/92B29C2948/92704B29C48/08B29C48/0022B29C2948/92561B29C2948/92828B29C2948/92895B29C2948/92923
Inventor 魏琼
Owner HUBEI XIANGYUAN NEW MATERIAL TECH INC
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