CN102516623A - High-temperature-resistant chemical crosslink polyethylene foam and preparation method thereof - Google Patents
High-temperature-resistant chemical crosslink polyethylene foam and preparation method thereof Download PDFInfo
- Publication number
- CN102516623A CN102516623A CN2011103898889A CN201110389888A CN102516623A CN 102516623 A CN102516623 A CN 102516623A CN 2011103898889 A CN2011103898889 A CN 2011103898889A CN 201110389888 A CN201110389888 A CN 201110389888A CN 102516623 A CN102516623 A CN 102516623A
- Authority
- CN
- China
- Prior art keywords
- foam
- polyethylene foam
- granulation
- crosslinked polyethylene
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides high-temperature-resistant chemical crosslink polyethylene foam, which comprises 66 to 84 percent of low-density polyethylene, 10 to 15.3 percent of linear low-density polyethylene, 2.5 to 15 percent of foaming agent, 1.2 to 1.5 percent of crosslink agent and 2 to 2.5 percent of antioxidant, wherein the foaming agent is selected from diazenedicarboxamide, and the crosslink agent is selected from dicuml peroxide; and the antioxidant is selected from tetrakis beta-3,5-di-tert butyl-t-hydroxyphenyl propionyloxymethylmethane. The invention also provides a method for preparing the high-temperature-resistant chemical crosslink polyethylene foam, which comprises the following steps such as: pelleting, mixing, extruding and foaming. The high-temperature-resistant chemical crosslink polyethylene foam has beneficial effects that: during the post-processing process, the retraction rate is smaller than ordinary chemical crosslink polyethylene foam with similar magnification ratio after the polyethylene foam is heated, and the weakness that the retraction size of the foam is large under the high-temperature application environment can be overcome.
Description
Technical field
The present invention relates to a kind of high temperature resistant processes for chemically crosslinked polyethylene foam and preparation method thereof.
Background technology
Processes for chemically crosslinked polyethylene foam (XPE) material is to be main raw material with new LDPE (film grade) (LDPE); Add linking agent Di Cumyl Peroxide 99 (DCP), whipping agent Cellmic C 121 multiple industrial chemicals such as (AC), through mix the banburying granulation, extrude processing, again through serial complete processings such as foaming, typing, post-treatment processing produce a kind ofly have that excellent physical and mechanical performance, outward appearance are beautiful, hand feel and drape, obturator-type foam materials that hot workability is good.This foam materials has fine and closely woven even, tough, heat insulation, the multiple excellent properties such as soundproof effect is good, erosion resistance is high, rebound resilience is good, water-absorbent is little, hand feel and drape of abscess.Adapt with its performance, can be adaptable across car and boat production, air conditioner refrigerating industry, packing business, building, engineering, agricultural, sports goods, adhesive band base idle call insulating pipe electron trade etc.
Along with science and technology development, its purposes is variation also, and need innovation to improve to develop and have high thermal resistance, weathering resistance, anti-oxidant, antifatigue wears out, receives the material of performances such as high-temperature shrinkage is little, but present, studies very fewly to this direction both at home and abroad.
Summary of the invention
Technical problem to be solved by this invention is to overcome in the prior art general foam under the high temperature environment for use, the shortcoming that the foam dimensional contraction is big.
The present invention provides a kind of high temperature resistant processes for chemically crosslinked polyethylene foam, comprising:
New LDPE (film grade) 66%-84%;
Linear low density polyethylene 10%-15.3%;
Whipping agent 2.5%-15%;
Linking agent 1.2%-1.5%;
Oxidation inhibitor 2%-2.5%;
Wherein, said whipping agent is selected from Cellmic C 121, and said linking agent is selected from Di Cumyl Peroxide 99; Said oxidation inhibitor is selected from four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Adopt technique scheme, compared with prior art, the present invention adopts above component and content; Its advantage is: add high thermal resistance and antioxidant property that linear low density polyethylene and oxidation inhibitor are improved foam; Utilize Di Cumyl Peroxide 99 that Vilaterm is carried out crosslinked, whipping agent decomposes and foam, so just can make out the high temperature resistant processes for chemically crosslinked polyethylene material of excellent high temperature resistant and antioxidant property, can effectively control cost with the mode of chemically crosslinked; In addition; The interpolation of a certain proportion of linear low density polyethylene has improved the mechanical property of product, thus indirect aborning raising the yield rate of product.
Preferably, the melting index of said new LDPE (film grade) is 0.7 g/10min to 0.8g/10min.
Preferably, in the said new LDPE (film grade) poly melting index at 0.8 g/10min to 0.9 g/10min.
The present invention also provides a kind of method for preparing high temperature resistant processes for chemically crosslinked polyethylene foam, comprises following step:
Granulation step: under 100 ℃, add new LDPE (film grade) and linear low density polyethylene co-blended, carry out the banburying granulation; The whipping agent that again master batch of above-mentioned blend is added different content carries out the banburying granulation second time, the formation masterbatch mix with oxidation inhibitor in 105 ℃; Linking agent and a certain amount of new LDPE (film grade) co-blended are carried out banburying and are a granulated into the linking agent master batch;
Batching step: two kinds of masterbatch mixs that granulation is good carry out ratio to be mixed and joins, and stirs with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through single screw extrusion machine;
Foaming step: the said master slice of extruding is carried out foam production in the horizontal foaming furnace of combustion type.
The present invention also provides other a kind of method for preparing high temperature resistant processes for chemically crosslinked polyethylene foam, comprises following step:
Granulation step: a certain proportion of new LDPE (film grade) and linear low density polyethylene earlier in 100 ℃ of banburying granulations of temperature, are added a certain proportion of whipping agent and oxidation inhibitor mixing banburying again after the granulation, granulation obtains masterbatch mix; Again with a certain proportion of linking agent and new LDPE (film grade) at 90 ℃ of banburying mixing granulations, obtain the linking agent master batch;
Batching step: the good again master batch of above-mentioned blend being mixed in proportion of granulation joined, and stir with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through forcing machine;
Foaming step: said master slice is carried out foam production in the horizontal foaming furnace of combustion type.
Adopt technique scheme; Compared with prior art; Its advantage is: present general chemistry crosslinked polyethylene foam in process of production; General employing Di Cumyl Peroxide 99 peroxide and crosslinked polyethylene, and with the horizontal foaming furnace foam production of combustion type chemically crosslinked common polythene (XPE) foam; Perhaps use the rumbatron IXPE; IXPE foam (IXPE) through the horizontal foaming furnace foam production of combustion type; Like this, general chemistry crosslinked polyethylene foam just produces bad and loss in case foam ruptures in the foaming process cleaved often; And based on method that the present invention adopted; Earlier a certain proportion of new LDPE (film grade) and linear low density polyethylene are carried out the banburying granulation, the better again master batch of above-mentioned blend being mixed in proportion of granulation joined, and stir with stirrer; Masterbatch mix after stirring is extruded through forcing machine; At last said master slice being carried out foam production in the horizontal foaming furnace of combustion type extrudes and foams; Like this; The high temperature resistant processes for chemically crosslinked polyethylene foam mechanical property of preparing is excellent, thereby has reduced the fracture of foam, has reduced the loss of foam; Directly improve the finished product rate, reduced company's production cost.
Preferably, the machine barrel of said forcing machine is provided with five sections heating zone from opening for feed to mold in turn, and each is distinguished temperature and is followed successively by 115 ± 3 ℃
,117 ± 3 ℃
,125 ± 3 ℃, 125 ± 3 ℃, 125 ± 3 ℃.Three districts are consistent after the temperature, and 2 districts, front temperature progressively increases progressively.
Preferably, organic neck flange is set between said discharging place and the said mould, the temperature of said machine neck flange is 110 ℃, and the temperature of said mould is 125 ℃.
Preferably, the horizontal foaming furnace of said combustion type comprises preheating section and foaming section, and the temperature of said preheating section is 130 ± 5 ℃, and the temperature of foaming section is 230 ± 5 ℃.
Preferably, guipure speed is 26 mm/s to 28mm/s in the horizontal foaming furnace of said combustion type.
The invention has the beneficial effects as follows: 1. the high temperature resistant processes for chemically crosslinked polyethylene foam among the present invention is in the post-treatment process; All littler after being heated than the general chemistry crosslinked polyethylene foam shrinking percentage of close multiplying power; Overcome under the high temperature environment for use shortcoming that the foam dimensional contraction is big.
2. with general chemistry crosslinked polyethylene foam (multiplying power is close) contrast, the high temperature resistant processes for chemically crosslinked polyethylene foam among the present invention is on mechanical property, and especially aspects such as tensile strength, elongation at break, tear strength are significantly improved.
3, general chemistry crosslinked polyethylene foam in the foaming process cleaved often; In case the foam fracture just produces bad and loss; And excellent based on the high temperature resistant processes for chemically crosslinked polyethylene foam mechanical property among the present invention, thus the fracture of foam reduced, reduced the loss of foam; Directly improve the finished product rate, reduced production cost.
4, the high temperature resistant processes for chemically crosslinked polyethylene foam among the present invention can overcome and under hot environment, use general chemistry crosslinked polyethylene foam to shrink bigger problem according to different high temperature user demands.
5, the high temperature resistant processes for chemically crosslinked polyethylene linear low density polyethylene that foam adds among the present invention, the fusing point of its material own is high, and hardness is big, has increased high temperature resistant processes for chemically crosslinked polyethylene foam hardness after adding this material, satisfies the client to the hardness different demands.
Embodiment
More excellent embodiment of the present invention is done further detailed description:
1, the step of selecting materials: the whipping agent among the present invention is yellow powdery, and the dispersion state in Vilaterm directly influences even, the fine and closely woven degree of foamed products abscess.In order to realize that whipping agent with two kinds of mixed uniformly purposes of material such as different sorts polythene PE main materials and auxiliary materials, must carry out mixing to material.The melting index of new LDPE (film grade) is 0.7-0.8g/10min, and poly melting index is about 0.8-0.9 g/10min in the new LDPE (film grade) of choosing in addition;
2, wherein two step mixing granulator technologies are: banburying granulation in two steps, promptly (1) under specified temp, different ratios new LDPE (film grade) and linear low density polyethylene blend banburying granulation; (2) whipping agent and the oxidation inhibitor that again the master batch of above-mentioned blend are added different content carry out the blend banburying granulation second time; Linking agent and a certain amount of new LDPE (film grade) co-blended are carried out banburying and are a granulated into the linking agent master batch;
3, master slice extruding-out process
The geometrical dimension of foaming coiled material (master slice), width, thickness, the apparent mass that superficial appearance has determined final foamed products basically; The main technique condition is temperature, rotating speed, head pressure, mouthful die clearance, various selection of process parameters under the prerequisite that the material whipping agent does not decompose or differential is separated, guarantee the master slice plasticizing evenly, even, the smooth surface of thickness, internal stress be even.Theoretically; Corresponding relation is d1=
d0 (n is a foam expansion) between master slice thickness d 0 and product thickness d1, and the width relation is also similar.But in actual production, there is internal stress owing to master slice, master slice is wide, thickness will carry out suitable correction d1=
d0+d correction; Because of after master slice is heated in the horizontal foaming furnace of combustion type in foaming process, wide, the thickness increase of master slice under the internal stress effect, contraction in length, the foaming back influences the product specification size; So the existence of internal stress is very big to product size Changing Pattern influence in the foaming process; The existence of internal stress in addition can cause that the product in the foaming process curls, adhesion, so must eliminate the internal stress in the master slice as far as possible.For eliminating internal stress, at forcing machine three roller places die heater is installed in the extrusion, make three roller place coolant water temperatures constant in temperature, master slice is after the place's discharging of forcing machine mould die orifice like this, and biography is guided to can acute cold generation internal stress in the three roller process of cooling.
4, foam process
The high temperature resistant processes for chemically crosslinked polyethylene foam foaming parameters of research changes on general chemistry crosslinked polyethylene foam foam process level basis, the successional relation of the speed of the horizontal foaming furnace preheating section of combustion type (inferior high temperature section) temperature, foaming section (high temperature section) temperature, guipure transmission speed, traction cooling roller and master slice, foam product abscess, apparent mass, product; Confirm the horizontal stove foaming parameters relationship of different multiplying, different master slice thickness, and foam, confirm the content of required whipping agent and linking agent in the products of different specifications prescription through the product of frothing test all size.
Embodiment 1:Under 100 ℃, 28 parts of new LDPE (film grade)s and 15.3 parts of linear low density polyethylene co-blended are carried out the banburying granulation; 15 parts of Cellmic C 121s of master batch adding and 2.5 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester with above-mentioned blend carries out the banburying granulation second time, the formation masterbatch mix in 105 ℃ again; Add 1.2 parts of Di Cumyl Peroxide 99s and 38 parts of new LDPE (film grade) co-blended, carry out banburying and be a granulated into the linking agent master batch;
Batching step: two kinds of masterbatch mixs that granulation is good are mixed and are joined, and stir with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through single screw extrusion machine;
Foaming step: the said master slice of extruding is carried out foam production in the horizontal foaming furnace of combustion type.
Embodiment 2: granulation step: 40.65 parts of new LDPE (film grade)s and 15 parts of linear low density polyethylenes are first in 100 ℃ of banburying granulations of temperature; 12.5 parts of Cellmic C 121s and 2.5 part of four [β-(3 after the granulation; The 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, granulation obtains masterbatch mix; With 1.35 parts of Di Cumyl Peroxide 99s and 28 parts of new LDPE (film grade) banburying mixing granulations, obtain the linking agent master batch again;
Batching step: the mother of above-mentioned blend is mixed in proportion join again, and stir with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through forcing machine;
Foaming step: the said master slice of extruding is carried out foam production in the horizontal foaming furnace of combustion type.
Embodiment 3: under 100 ℃, 41.1 parts of new LDPE (film grade)s and 15 parts of linear low density polyethylene co-blended are carried out the banburying granulation; 10 parts of Cellmic C 121s of master batch adding and 2.5 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester with above-mentioned blend carries out the banburying granulation second time, the formation masterbatch mix in 105 ℃ again; Add 1.4 parts of Di Cumyl Peroxide 99s and 30 parts of new LDPE (film grade) banburying mixing granulations, obtain the linking agent master batch;
Batching step: two kinds of masterbatch mixs that granulation is good are mixed and are joined, and stir with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through forcing machine;
Foaming step: the said master slice of extruding is carried out foam production in the horizontal foaming furnace of combustion type.
Embodiment 4: under 100 ℃, 44.05 parts of new LDPE (film grade)s and 15 parts of linear low density polyethylene co-blended are carried out the banburying granulation; Add 7.5 parts of Cellmic C 121s and 2 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester after the granulation again, obtain masterbatch mix; Add 1.45 parts of Di Cumyl Peroxide 99s and 30 parts of new LDPE (film grade) banburying mixing granulations, obtain the linking agent master batch;
Batching step: the master batch of above-mentioned two kinds of blend that granulation is good is mixed and is joined, and stirs with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through forcing machine;
Foaming step: the said master slice of extruding is carried out foam production in the horizontal foaming furnace of combustion type.
Embodiment 5: under 100 ℃, 54 parts of new LDPE (film grade)s and 10 parts of linear low density polyethylene co-blended are carried out the banburying granulation; Add 2.5 parts of Cellmic C 121s and 2 part of four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester after the granulation again, obtain masterbatch mix; Add 1.5 parts of Di Cumyl Peroxide 99s and 30 parts of new LDPE (film grade) banburying mixing granulations, obtain the linking agent master batch;
Batching step: the master batch of above-mentioned two kinds of blend that granulation is good is mixed and is joined, and stirs with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through forcing machine;
Foaming step: the said master slice of extruding is carried out foam production in the horizontal foaming furnace of combustion type.
The performance comparison of general chemistry crosslinked polyethylene in the performance of the processes for chemically crosslinked polyethylene foam among the present invention and the prior art:
(1) high temperature resistant processes for chemically crosslinked polyethylene foam is in client's post-treatment process, and the back that is heated is all littler than close multiplying power (density) general chemistry crosslinked polyethylene foam shrinking percentage, overcomes under the high temperature environment for use shortcoming that the foam dimensional contraction is big;
High temperature resistant processes for chemically crosslinked polyethylene of table 1 and general chemistry crosslinked polyethylene receive the heat shrinkage test data sheet
From data sheet, can learn: the high temperature resistant processes for chemically crosslinked polyethylene foam post-shrinkage ratio that is heated is significantly littler than common processes for chemically crosslinked polyethylene foam shrinking percentage.
(2) with general chemistry crosslinked polyethylene foam (multiplying power is close) contrast, mechanical property (tensile strength, elongation at break, tear strength etc.) obviously improves.
In choosing the close general chemistry crosslinked polyethylene of multiplying power (density) sample, do Mechanics Performance Testing, it is following to obtain the result:
Table 2: Mechanics Performance Testing comparison sheet
From data sheet, can learn: high temperature resistant processes for chemically crosslinked polyethylene foam mechanical property will be compared common processes for chemically crosslinked polyethylene foam mechanical property excellence.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. a high temperature resistant processes for chemically crosslinked polyethylene foam is characterized in that, comprising:
New LDPE (film grade) 66%-84%;
Linear low density polyethylene 10%-15.3%;
Whipping agent 2.5%-15%;
Linking agent 1.2%-1.5%;
Oxidation inhibitor 2%-2.5%;
Wherein, said whipping agent is selected from Cellmic C 121, and said linking agent is selected from Di Cumyl Peroxide 99; Said oxidation inhibitor is selected from four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
2. high temperature resistant processes for chemically crosslinked polyethylene foam as claimed in claim 1 is characterized in that the melting index of said new LDPE (film grade) is 0.7 g/10min to 0.8g/10min.
3. high temperature resistant processes for chemically crosslinked polyethylene foam as claimed in claim 1 is characterized in that poly melting index is at 0.8 g/10min to 0.9 g/10min in the said new LDPE (film grade).
4. a method for preparing high temperature resistant processes for chemically crosslinked polyethylene foam comprises like each described high temperature resistant processes for chemically crosslinked polyethylene foam of claim 1 to 3, it is characterized in that, comprises following step:
Granulation step: under 100 ℃, add new LDPE (film grade) and linear low density polyethylene co-blended, carry out the banburying granulation; The whipping agent that again master batch of above-mentioned blend is added different content carries out the banburying granulation second time, the formation masterbatch mix with oxidation inhibitor in 105 ℃; Linking agent and a certain amount of new LDPE (film grade) co-blended are carried out banburying and are a granulated into the linking agent master batch;
Batching step: two kinds of masterbatch mixs that granulation is good are mixed and are joined, and stir with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through single screw extrusion machine;
Foaming step: the said master slice of extruding is carried out foam production in the horizontal foaming furnace of combustion type.
5. a method for preparing high temperature resistant processes for chemically crosslinked polyethylene foam comprises like each described high temperature resistant processes for chemically crosslinked polyethylene foam of claim 1 to 3, it is characterized in that, comprises following step:
Granulation step: a certain proportion of new LDPE (film grade) and linear low density polyethylene earlier in 100 ℃ of banburying granulations of temperature, are added a certain proportion of whipping agent and oxidation inhibitor mixing banburying again after the granulation, granulation obtains masterbatch mix; Again with a certain proportion of linking agent and new LDPE (film grade) at 90 ℃ of banburying mixing granulations, obtain the linking agent master batch;
Batching step: the mother of above-mentioned blend is mixed in proportion join again, and stir with stirrer;
Extrusion step: the masterbatch mix after will stirring is extruded through forcing machine;
Foaming step: said master slice is carried out foam production in the horizontal foaming furnace of combustion type.
6. like claim 4 or 5 described methods, it is characterized in that the machine barrel of said forcing machine is provided with five sections heating zone from opening for feed to mold in turn, each is distinguished temperature and is followed successively by 115 ± 3 ℃
,117 ± 3 ℃
,125 ± 3 ℃, 125 ± 3 ℃, 125 ± 3 ℃.
7. method as claimed in claim 6 is characterized in that, the temperature of said mould is 125 ℃.
8. method as claimed in claim 6 is characterized in that, organic neck flange is set between said discharging place and the said mould, and the temperature of said machine neck flange is 110 ℃, and the temperature of said mould is 125 ℃.
9. like claim 4 or 5 described methods, it is characterized in that the horizontal foaming furnace of said combustion type comprises preheating section and foaming section, the temperature of said preheating section is 130 ± 5 ℃, and the temperature of said foaming section is 230 ± 5 ℃.
10. like claim 4 or 5 described methods, it is characterized in that guipure speed is 26 mm/s to 28mm/s in the horizontal foaming furnace of said combustion type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103898889A CN102516623A (en) | 2011-11-30 | 2011-11-30 | High-temperature-resistant chemical crosslink polyethylene foam and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103898889A CN102516623A (en) | 2011-11-30 | 2011-11-30 | High-temperature-resistant chemical crosslink polyethylene foam and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102516623A true CN102516623A (en) | 2012-06-27 |
Family
ID=46287716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103898889A Pending CN102516623A (en) | 2011-11-30 | 2011-11-30 | High-temperature-resistant chemical crosslink polyethylene foam and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102516623A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504445A (en) * | 2015-12-31 | 2016-04-20 | 浙江万里新材料科技有限公司 | Novel composite material for double-sided tape base material |
| CN105566721A (en) * | 2015-11-04 | 2016-05-11 | 深圳市长园特发科技有限公司 | High-temperature-resistant XPE (chemical cross-linked polyethylene) foam and preparation method thereof |
| CN105670082A (en) * | 2016-03-16 | 2016-06-15 | 湖北祥源新材科技股份有限公司 | Sound absorption material and preparation process thereof |
| CN105801888A (en) * | 2016-04-09 | 2016-07-27 | 泰山体育产业集团有限公司 | Method for associated representation of shore hardness and foam expansion indexes of XPE (extruded polyethylene foam) materials |
| CN106123267A (en) * | 2016-06-21 | 2016-11-16 | 珠海格力电器股份有限公司 | Double-deck wind deflector, air-conditioner and the preparation method of double-deck wind deflector |
| CN107619484A (en) * | 2016-07-14 | 2018-01-23 | 良澔科技企业股份有限公司 | The manufacture method of electronic crosslinking foaming constituent |
| CN108034383A (en) * | 2017-12-28 | 2018-05-15 | 张家港康得新光电材料有限公司 | Shading foam tape, its preparation method and electronic equipment |
| CN112358673A (en) * | 2020-12-04 | 2021-02-12 | 中广核三角洲（江苏）塑化有限公司 | Irradiation crosslinking foaming polyethylene product and preparation method thereof |
| CN114561056A (en) * | 2022-02-25 | 2022-05-31 | 东莞市鹏园新材料有限公司 | Low-thermal conductivity XPE foam and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1343738A (en) * | 2000-09-20 | 2002-04-10 | 中国石油化工股份有限公司 | Chemically cross-linked millipore polyethene material and its preparing process |
-
2011
- 2011-11-30 CN CN2011103898889A patent/CN102516623A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1343738A (en) * | 2000-09-20 | 2002-04-10 | 中国石油化工股份有限公司 | Chemically cross-linked millipore polyethene material and its preparing process |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105566721A (en) * | 2015-11-04 | 2016-05-11 | 深圳市长园特发科技有限公司 | High-temperature-resistant XPE (chemical cross-linked polyethylene) foam and preparation method thereof |
| CN105504445A (en) * | 2015-12-31 | 2016-04-20 | 浙江万里新材料科技有限公司 | Novel composite material for double-sided tape base material |
| CN105670082A (en) * | 2016-03-16 | 2016-06-15 | 湖北祥源新材科技股份有限公司 | Sound absorption material and preparation process thereof |
| CN105670082B (en) * | 2016-03-16 | 2018-03-23 | 湖北祥源新材科技股份有限公司 | A kind of sound-absorbing material and its preparation technology |
| CN105801888A (en) * | 2016-04-09 | 2016-07-27 | 泰山体育产业集团有限公司 | Method for associated representation of shore hardness and foam expansion indexes of XPE (extruded polyethylene foam) materials |
| CN105801888B (en) * | 2016-04-09 | 2019-04-12 | 泰山体育产业集团有限公司 | A kind of method of processes for chemically crosslinked polyethylene foamed material shore hardness and coefficient of foaming exponential association characterization |
| CN106123267A (en) * | 2016-06-21 | 2016-11-16 | 珠海格力电器股份有限公司 | Double-deck wind deflector, air-conditioner and the preparation method of double-deck wind deflector |
| CN107619484A (en) * | 2016-07-14 | 2018-01-23 | 良澔科技企业股份有限公司 | The manufacture method of electronic crosslinking foaming constituent |
| CN107619484B (en) * | 2016-07-14 | 2021-04-09 | 泉硕科技股份有限公司 | Method for producing electronically crosslinked foam composition |
| CN108034383A (en) * | 2017-12-28 | 2018-05-15 | 张家港康得新光电材料有限公司 | Shading foam tape, its preparation method and electronic equipment |
| CN112358673A (en) * | 2020-12-04 | 2021-02-12 | 中广核三角洲（江苏）塑化有限公司 | Irradiation crosslinking foaming polyethylene product and preparation method thereof |
| CN114561056A (en) * | 2022-02-25 | 2022-05-31 | 东莞市鹏园新材料有限公司 | Low-thermal conductivity XPE foam and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102516623A (en) | High-temperature-resistant chemical crosslink polyethylene foam and preparation method thereof | |
| CN105566721B (en) | A kind of high temperature resistant XPE foams and preparation method thereof | |
| CN103360656B (en) | A kind of regenerated polythene composition and method of making the same | |
| CN102218879B (en) | Waste polypropylene-modified foaming plate and manufacturing method thereof | |
| CN103589070B (en) | Physical blowing polypropylene cable material and preparation method thereof | |
| CN108239330B (en) | Irradiation crosslinking low-smoke halogen-free flame retardant for automobile wire and preparation method thereof | |
| CN103387705B (en) | A kind of preparation method without methane amide IXPE foam | |
| CN104804252A (en) | High-strength NBR/PVC foaming material and preparation method thereof | |
| CN102643480A (en) | Anti-static alloy composite material and preparation method thereof | |
| CN102391571A (en) | Extrusion foaming polypropylene particles with lower thermal molding pressure and preparation method thereof | |
| US4451417A (en) | Method of producing extruded plate-like polystyrene foam | |
| CN107698861A (en) | The preparation method of electron irradiation crosslinking foaming polypropylene sheet | |
| CN113930012B (en) | Flame-retardant polypropylene material and preparation method and application thereof | |
| CN106928689B (en) | High-strength high-thermal-conductivity modified polyphenyl ether material and preparation method thereof | |
| CN105504759A (en) | ABS composite material used for 3D printing and preparation method of ABS composite material | |
| CN105585776B (en) | A kind of microwave fire retardant polyolefin foamed material and preparation method thereof | |
| CN104212055A (en) | Inorganic modified high heat-resistant low-shrinkage low-smoke halogen-free flame retardant polyolefin cable material and preparation method thereof | |
| CA2610451A1 (en) | A process for the production of extruded sheets of expanded polystyrene | |
| CN112194834A (en) | High-temperature-shrinkage-resistant polyethylene foamed sheet and preparation method thereof | |
| CN111253698B (en) | Multifunctional PVC (polyvinyl chloride) crosslinked cable sheath material and processing technology thereof | |
| CN109438905A (en) | A kind of ABS quaternary blending modified material and preparation method thereof | |
| CN104893101A (en) | Chain-extension-branching-modified polypropylene foamed sheet and manufacturing method thereof | |
| CN111574766B (en) | Radiation cross-linked polyethylene foam with high heat dissipation performance and preparation method and application thereof | |
| CN104119496B (en) | Banburying calendering type TPU method for producing elastomers | |
| US4393016A (en) | Process for producing plate-like polystyrene resin foam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |