CN102924777A - High-pressure polyethylene foam material and continuous foaming process thereof - Google Patents
High-pressure polyethylene foam material and continuous foaming process thereof Download PDFInfo
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- CN102924777A CN102924777A CN2012104086924A CN201210408692A CN102924777A CN 102924777 A CN102924777 A CN 102924777A CN 2012104086924 A CN2012104086924 A CN 2012104086924A CN 201210408692 A CN201210408692 A CN 201210408692A CN 102924777 A CN102924777 A CN 102924777A
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- pressure polyethylene
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- polyethylene foam
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Abstract
The invention discloses a high-pressure polyethylene foam material and a continuous foaming process thereof. The high-pressure polyethylene foam material comprises 100 weight parts of high-pressure polyethylene, 55 to 60 weight parts of AC foaming agent master batch, and 26 to 30 weight parts of dibasic calcium phosphate (DCP) crosslinking agent master batch. The continuous foaming process comprises the following steps of: 1) weighting the high pressure polyethylene, the AC foaming agent master batch, and the DCP crosslinking agent master batch, and mixing uniformly in a mixer; 2) feeding the mixed materials by using a feeder into an extruder, extruding the mixture at 120 to 125 DEG C, polishing the extruded product by using a calendar, feeding the product into a drying tunnel, and finally delivering the product to a foaming machine for crosslinking and foaming; and 3) cooling and setting the foamed material by using the cooling rolls of a multi-channel cooling machine, marking the meter length, winding the foamed material and packing the product. The formula of the material is simple. The high-temperature foaming allows the raw materials to degrade completely without producing peculiar smell. The material has high elasticity, and the setting property of the pressed products is high.
Description
Technical field
The invention belongs to polymeric material field, the plastic working industry is specifically related to a kind of high-pressure polyethylene foam material and continuous foamed technique thereof.
Technical background
Existing high-pressure polyethylene chemically crosslinked foam material, it not only exists technical recipe complicated, the problem that material cost is high, also exist simultaneously complex process, blowing temperature not to improve, raw material can not thoroughly decompose, the environmental hazard factor is large, the problem that labour intensity is large, particularly importantly existing high-pressure polyethylene chemically crosslinked foam material can not be produced continuous coiled material, if need coiled material, will be with again sticking and processing of sheet material, so not only can increase labour intensity, the waste material has also strengthened cost simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of technical recipe simple, the high temperature foaming, raw material can thoroughly decompose, and product is without any peculiar smell, and elastic properties of materials is good, constancy is good, the simple high-pressure polyethylene foam material of production technique and continuous foamed technique thereof.
In order to realize the present invention, the technical scheme that high-pressure polyethylene foam material of the present invention and continuous foamed technique thereof are taked is as follows:
A kind of high-pressure polyethylene foam material and continuous foamed technique thereof, its high-pressure polyethylene foam material is take high-pressure polyethylene as major ingredient, and component is as follows by weight:
100 parts of high-pressure polyethylenees
AC blowing agent concentrate 55-60 part
DCP bridging agent masterbatch 26-30 part
Its continuous foamed technique comprises:
1) high-pressure polyethylene, AC blowing agent concentrate, DCP bridging agent masterbatch are taken by weighing, with the full and uniform mixing of mixer, for subsequent use, processing condition are: below temperature 40 degree, and time 15-20 minute;
The material that 2) will mix adds in the forcing machine with feeder, and it is extruded under 120-125 degree temperature, through the rolling press press polish, sends into that to enter foaming machine behind the drying tunnel crosslinked again after extruding, foaming;
3) material after the foaming is through the cooling roller cooling and shaping of multiple flow passages cooler, and note rice batches packing.
The present invention, high-pressure polyethylene foam material and continuous foamed technique thereof, raw materials and equipment are the known starting material of plastic cement industry and equipment.
The present invention, high-pressure polyethylene foam material and continuous foamed technique thereof, not only prescription is simple, has realized simultaneously the high temperature foaming, and raw material can thoroughly decompose, and product is without any peculiar smell, and the product good springiness, and the die mould product approval is good; With the contrast of existing high-pressure polyethylene chemically crosslinked foam material and technique, utilization rate of raw materials reaches 98%, and production cost can reduce by 15%, and elasticity can improve more than 16%, finalizes the design highly stable, and environmental protection, and technique is simple, saves time, laborsaving.
Embodiment
The present invention is described further below by example, need to prove that the present embodiment only is used for the present invention is further specified, but do not limit to its scope.
Embodiment 1:
A kind of high-pressure polyethylene foam material and continuous foamed technique thereof, its high-pressure polyethylene foam material is take high-pressure polyethylene as major ingredient, and component is as follows by weight:
100 parts of high-pressure polyethylenees
60 parts of AC blowing agent concentrates
30 parts of DCP bridging agent masterbatch
Its continuous foamed technique comprises:
1) high-pressure polyethylene, AC blowing agent concentrate, DCP bridging agent masterbatch are taken by weighing, with the full and uniform mixing of mixer, for subsequent use, processing condition are: below temperature 40 degree, and time 15-20 minute;
The material that 2) will mix adds in the forcing machine with feeder, and it is extruded under 120-125 degree temperature, through the rolling press press polish, sends into that to enter foaming machine behind the drying tunnel crosslinked again after extruding, foaming;
3) material after the foaming is through the cooling roller cooling and shaping of multiple flow passages cooler, and note rice batches packing.
Embodiment 2:
A kind of high-pressure polyethylene foam material and continuous foamed technique thereof, its high-pressure polyethylene foam material is take high-pressure polyethylene as major ingredient, and component is as follows by weight:
100 parts of high-pressure polyethylenees
55 parts of AC blowing agent concentrates
26 parts of DCP bridging agent masterbatch
Its continuous foamed technique comprises:
1) high-pressure polyethylene, AC blowing agent concentrate, DCP bridging agent masterbatch are taken by weighing, with the full and uniform mixing of mixer, for subsequent use, processing condition are: below temperature 40 degree, and time 15-20 minute;
The material that 2) will mix adds in the forcing machine with feeder, and it is extruded under 120-125 degree temperature, through the rolling press press polish, sends into that to enter foaming machine behind the drying tunnel crosslinked again after extruding, foaming;
3) material after the foaming is through the cooling roller cooling and shaping of multiple flow passages cooler, and note rice batches packing.
Claims (1)
1. a high-pressure polyethylene foam material and continuous foamed technique thereof, it is characterized in that: its high-pressure polyethylene foam material is take high-pressure polyethylene as major ingredient, and component is as follows by weight:
100 parts of high-pressure polyethylenees
AC blowing agent concentrate 55-60 part
DCP bridging agent masterbatch 26-30 part
Its continuous foamed technique comprises:
A) high-pressure polyethylene, AC blowing agent concentrate, DCP bridging agent masterbatch are taken by weighing, with the full and uniform mixing of mixer, for subsequent use, processing condition are: below temperature 40 degree, and time 15-20 minute;
The material that B) will mix adds in the forcing machine with feeder, and it is extruded under 120-125 degree temperature, through the rolling press press polish, sends into that to enter foaming machine behind the drying tunnel crosslinked again after extruding, foaming;
C) material after the foaming is through the cooling roller cooling and shaping of multiple flow passages cooler, and note rice batches packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104086924A CN102924777A (en) | 2012-10-24 | 2012-10-24 | High-pressure polyethylene foam material and continuous foaming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104086924A CN102924777A (en) | 2012-10-24 | 2012-10-24 | High-pressure polyethylene foam material and continuous foaming process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102924777A true CN102924777A (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104086924A Pending CN102924777A (en) | 2012-10-24 | 2012-10-24 | High-pressure polyethylene foam material and continuous foaming process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102924777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435889A (en) * | 2013-08-23 | 2013-12-11 | 吴江市英力达塑料包装有限公司 | Polyvinyl chloride soft foam plastic coiled material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203261U (en) * | 1985-08-05 | 1986-06-18 | 镇海县橡胶塑料厂 | Mosaic floor block made of elastic plastics |
| CN1331264A (en) * | 2000-07-03 | 2002-01-16 | 朱禹 | Process for preparing cross-linked foam polyolefin material |
-
2012
- 2012-10-24 CN CN2012104086924A patent/CN102924777A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85203261U (en) * | 1985-08-05 | 1986-06-18 | 镇海县橡胶塑料厂 | Mosaic floor block made of elastic plastics |
| CN1331264A (en) * | 2000-07-03 | 2002-01-16 | 朱禹 | Process for preparing cross-linked foam polyolefin material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435889A (en) * | 2013-08-23 | 2013-12-11 | 吴江市英力达塑料包装有限公司 | Polyvinyl chloride soft foam plastic coiled material and preparation method thereof |
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Application publication date: 20130213 |