CN103923371A - Irradiation crosslinking thermal shrinkage foaming casing pipe and irradiation crosslinking thermal shrinkage foaming pattern casing pipe as well as preparation methods thereof - Google Patents
Irradiation crosslinking thermal shrinkage foaming casing pipe and irradiation crosslinking thermal shrinkage foaming pattern casing pipe as well as preparation methods thereof Download PDFInfo
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- CN103923371A CN103923371A CN201410151732.0A CN201410151732A CN103923371A CN 103923371 A CN103923371 A CN 103923371A CN 201410151732 A CN201410151732 A CN 201410151732A CN 103923371 A CN103923371 A CN 103923371A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
- C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/12—Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
- C08L2312/06—Crosslinking by radiation
Abstract
The invention discloses an irradiation crosslinking thermal shrinkage foaming casing pipe. The irradiation crosslinking thermal shrinkage foaming casing pipe comprises the following components in parts by weight: 100 parts of polyolefin and/or ethylene propylene diene monomer rubber and/or thermoplastic elastomer, 0.5-20 parts of polymer compatilizer, 0.5-5 parts of antioxidant, 0-250 parts of flame retardant, 0-3 parts of lubricant, 0-20 parts of color master, 1-35 parts of high-temperature forming agent and 0-10 parts of blowing promoter. A preparation method of the irradiation crosslinking thermal shrinkage foaming casing pipe comprises the following steps: (1) mixing the materials; (2) preparing granules by using the mixture; (3) extruding; (4) irradiating; (5) expanding, cooling and setting, namely foaming a crosslinking pipe product at the temperature of 220-300 DEG C, expanding, cooling and setting. According to the preparation method, foaming is completed in a heating expansion process by adopting the high-temperature forming agent, and the technology is simple. The invention further discloses an irradiation crosslinking thermal shrinkage foaming antiskid pattern casing pipe, the surface of which is provided with concave-convex patterns; the antiskid effect of the irradiation crosslinking thermal shrinkage foaming antiskid pattern casing pipe can be further improved; the hand feel of holding or grasping the thermal shrinkage casing pipe by hands of people is improved.
Description
Technical field
The present invention relates to a kind of crosslinked heat-shrinkable T bush technical field, relate in particular to a kind of cross-linking radiation pyrocondensation foaming sleeve pipe and preparation method thereof.
Background technology
Chinese patent is announced CN101575432B and is disclosed a kind of radiation cross-linked and foamed heat shrinkable pipe material and preparation method thereof, and this preparation method comprises that (1) is mixing, granulation, and extrude (2), (3) irradiation, and (4) foaming and (5) expansion wait five production processes.
Yet, preparation method's complex process of the above-mentioned foaming heat draw, this causes the reduction of production efficiency and higher production cost.
Summary of the invention
Thereby the object of the present invention is to provide simple cross-linking radiation pyrocondensation foaming sleeve pipe of enhancing productivity and reducing production costs of a kind of technique and preparation method thereof.
For achieving the above object, the invention provides a kind of cross-linking radiation pyrocondensation foaming sleeve pipe, the material of preparing of described pyrocondensation foaming sleeve pipe contains by weight:
100 parts of polyolefine and/or terpolymer EP rubber and/or thermoplastic elastomers;
0.5～20 part of Its Compatibilizing Technology;
0.5～5 part, oxidation inhibitor;
0～250 part of fire retardant;
0～3 part of lubricant;
0～20 part of look mother;
1～35 part of high-temperature foaming agent;
0～10 part of frothing aid.
Preferably, described Its Compatibilizing Technology is that the vinyl-vinyl acetate copolymer of copolymer-maleic anhydride modification is, one or both in the ethylene-acrylate copolymer of copolymer-maleic anhydride modification.
Oxidation inhibitor is main anti-aging, the to improve weathering resistance material composition that rises, be preferably four ［ β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid ］ pentaerythritol ester (antioxidant 1010) or β-(4-hydroxyl 3,5-di-t-butyl-phenyl) the positive octadecyl ester of propionic acid or oxidation inhibitor 245.
Fire retardant is the main material composition that plays fire retardation, is preferably a kind of or several in red phosphorus, phosphoric acid ester fire retardant, magnesium hydroxide, aluminium hydroxide, zinc borate, ammonium polyphosphate, melamine pyrophosphate or poly-phosphate or tetramethylolmethane fire retardant.
Preferably, described whipping agent is a kind of or several in Cellmic C 121 (AC), dinitrosopentamethylene tetramine (blowing agent H) or 4,4'～oxygen two (benzol sulfohydrazides).
Preferably, described frothing aid is a kind of or several in Zinc Stearate, calcium stearate, active zinc flower.
Preferably, described Its Compatibilizing Technology is the vinyl-vinyl acetate copolymer of copolymer-maleic anhydride modification or the ethylene-acrylate copolymer of copolymer-maleic anhydride modification.
For achieving the above object, the present invention also provides a kind of preparation method of pyrocondensation foaming sleeve pipe, comprises the following steps:
(1) batch mixing: by weight, 0～10 part of polyolefine and/or terpolymer EP rubber and/or 100 parts of thermoplastic elastomers, 0.5～20 part of Its Compatibilizing Technology, 0.5～5 part, oxidation inhibitor, 0～250 part of fire retardant, 0～3 part of lubricant, 0～20 part of look mother, 1～35 part of high-temperature foaming agent, frothing aid is mixed to form to batch mixing;
(2) granulation material: by batch mixing at 100-180 ℃ of temperature, extrude, wire drawing, cooling, pelletizing form particulate material;
(3) extruding pipe material: particulate material is extruded to formation tubing through forcing machine;
(4) irradiation tubing: by the tubing of formation through rumbatron or cobalt source or ultraviolet source irradiation form crosslinked tubing;
(5) expansion, cooling and shaping: will be cross-linked that tubing foam at 220-300 ℃ of temperature and expand with expansion device, cooling and shaping forms foaming heat shrink sleeve.
The present invention adopts high-temperature foaming agent to make it in adding the process of thermal enlargement, complete foaming, high-temperature foaming agent generation decomposition reaction, generate the expansion of abscess and abscess and follow-up cooling and curing, compared with prior art, without this processing step that foams separately, technique is simple, and this can enhance productivity and reduce production costs.
When cross-linking radiation pyrocondensation foaming casing pipe of the present invention is applied to the occasions such as health and fitness facilities, various tool handle and handrail, can avoid producing the bad phenomenon such as difficult to handle, improve the feel that people are hand-held or hold heat-shrinkable T bush.
The present invention further provides and a kind ofly by above-mentioned, prepare the cross-linking radiation pyrocondensation foaming anti-skid design sleeve pipe that material and preparation method make, this cross-linking radiation pyrocondensation foaming anti-skid design sleeve surface is established irregular decorative pattern, the above-mentioned pyrocondensation foaming of described cross-linking radiation pyrocondensation foaming anti-skid design sleeve pipe sleeve pipe prepare material and preparation method makes, because the irregular decorative pattern of its surperficial tool can further improve skidproof effect, further improve the feel that people are hand-held or hold heat-shrinkable T bush.
Embodiment
By describing technology contents of the present invention in detail, being realized object and effect, below in conjunction with embodiment, be explained in detail, but protection domain of the present invention is not limited to the following example.
Embodiment 1
(1) batch mixing: by weight, 1 part of 1 part of the vinyl-vinyl acetate copolymer of 100 parts of polyolefine, copolymer-maleic anhydride modification, 1 part of antioxidant 1010,20 parts of aluminium hydroxide fire retardants, 0.2 part of Zinic stearas, 1 part of Cellmic C 121 (AC) whipping agent, active zinc flower frothing aid is mixed to form to batch mixing;
(2) granulation material: by the particulate material that batch mixing is extruded at 100-180 ℃ of temperature, wire drawing, cooling, pelletizing form foaming layer;
(3) extruding pipe material: particulate material is extruded to formation tubing through forcing machine;
(4) irradiation tubing: by the tubing of formation through rumbatron or cobalt source or ultraviolet source irradiation form crosslinked tubing;
(5) expansion, cooling and shaping: will be cross-linked that tubing foam at 220-300 ℃ of temperature and expand with expansion device, cooling and shaping forms foaming heat shrink sleeve.
Embodiment 2
(1) batch mixing: by weight, by 2 parts of 3 parts of the ethylene-acrylate copolymers of 60 parts of polyolefine, 40 parts of terpolymer EP rubbers, copolymer-maleic anhydride modification, 3 parts, hindered amine 622 oxidation inhibitor, 150 parts of flame retardant of magnesium hydroxide, magnesium, 4,6 parts of 4'～oxygen two (benzol sulfohydrazide), 5 parts of batch mixings that are mixed to form foaming layer of active zinc flower frothing aid;
(2) granulation material: by the particulate material that batch mixing is extruded at 100-180 ℃ of temperature, wire drawing, cooling, pelletizing form foaming layer;
(3) extruding pipe material: particulate material is extruded to formation tubing through forcing machine;
(4) irradiation tubing: by the tubing of formation through rumbatron or cobalt source or ultraviolet source irradiation form crosslinked tubing;
(5) expansion, cooling and shaping: will be cross-linked that tubing foam at 220-300 ℃ of temperature and expand with expansion device, cooling and shaping forms foaming heat shrink sleeve.
Embodiment 3
(1) batch mixing: by weight, by 3 parts of 18 parts of the ethylene-acrylate copolymers of 50 parts of polyolefine, 50 parts of thermoplastic elastomers, copolymer-maleic anhydride modification, 4 parts, hindered amine 622 oxidation inhibitor, 100 parts of flame retardant of magnesium hydroxide, magnesium, 4,6 parts of 4'～oxygen two (benzol sulfohydrazide), 5 parts of batch mixings that are mixed to form foaming layer of active zinc flower frothing aid;
(2) granulation material: by the particulate material that batch mixing is extruded at 100-180 ℃ of temperature, wire drawing, cooling, pelletizing form foaming layer;
(3) extruding pipe material: particulate material is extruded to formation tubing through forcing machine;
(4) irradiation tubing: by the tubing of formation through rumbatron or cobalt source or ultraviolet source irradiation form crosslinked tubing;
(5) expansion, cooling and shaping: will be cross-linked that tubing foam at 220-300 ℃ of temperature and expand with expansion device, cooling and shaping forms foaming heat shrink sleeve.
Embodiment 4
(1) batch mixing: by weight, by 3 parts of 18 parts of the ethylene-acrylate copolymers of 40 parts of polyolefine, 30 parts of terpolymer EP rubbers, 30 parts of thermoplastic elastomers, copolymer-maleic anhydride modification, 4 parts, hindered amine 622 oxidation inhibitor, 100 parts of flame retardant of magnesium hydroxide, magnesium, 4,6 parts of 4'～oxygen two (benzol sulfohydrazide), 5 parts of batch mixings that are mixed to form foaming layer of active zinc flower frothing aid;
(2) granulation material: by the particulate material that batch mixing is extruded at 100-180 ℃ of temperature, wire drawing, cooling, pelletizing form foaming layer;
(3) extruding pipe material: particulate material is extruded to formation tubing through forcing machine;
(4) irradiation tubing: by the tubing of formation through rumbatron or cobalt source or ultraviolet source irradiation form crosslinked tubing;
(5) expansion, cooling and shaping: will be cross-linked that tubing foam at 220-300 ℃ of temperature and expand with expansion device, cooling and shaping forms foaming heat shrink sleeve.
The present invention also discloses a kind of cross-linking radiation pyrocondensation foaming anti-skid design sleeve pipe, and this cross-linking radiation pyrocondensation foaming anti-skid design sleeve surface is established irregular decorative pattern, and the material of preparing of the above-mentioned pyrocondensation foaming of described cross-linking radiation pyrocondensation foaming anti-skid design sleeve pipe sleeve pipe is made.
In sum, the present invention adopts high-temperature foaming agent to make it in adding the process of thermal enlargement, complete foaming, high-temperature foaming agent generation decomposition reaction, generate the expansion of abscess and abscess and follow-up cooling and curing, compared with prior art, without this processing step that foams separately, technique is simple, and this can enhance productivity and reduce production costs.
When pyrocondensation foaming casing pipe of the present invention is applied to the occasions such as health and fitness facilities, various tool handle and handrail, can avoid producing the bad phenomenon such as difficult to handle, improve the feel that people are hand-held or hold heat-shrinkable T bush.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple variation accordingly, but any and the present invention are equal to or similar variation all should be encompassed in the scope of the claims in the present invention.
Claims (7)
1. a cross-linking radiation pyrocondensation foaming sleeve pipe, is characterized in that: the material of preparing of described pyrocondensation foaming sleeve pipe contains by weight:
100 parts of polyolefine and/or terpolymer EP rubber and/or thermoplastic elastomers;
0.5～20 part of Its Compatibilizing Technology;
0.5～5 part, oxidation inhibitor;
0～250 part of fire retardant;
0～3 part of lubricant;
0～20 part of look mother;
1～35 part of whipping agent;
0～10 part of frothing aid.
2. cross-linking radiation pyrocondensation foaming sleeve pipe according to claim 1, is characterized in that: described Its Compatibilizing Technology is that the vinyl-vinyl acetate copolymer of copolymer-maleic anhydride modification is, one or both in the ethylene-acrylate copolymer of copolymer-maleic anhydride modification.
3. cross-linking radiation pyrocondensation according to claim 1 foaming sleeve pipe, is characterized in that: described fire retardant is a kind of or several in red phosphorus, phosphoric acid ester fire retardant, magnesium hydroxide, aluminium hydroxide, zinc borate, ammonium polyphosphate, melamine pyrophosphate or poly-phosphate or tetramethylolmethane fire retardant.
4. cross-linking radiation pyrocondensation according to claim 1 foaming sleeve pipe, is characterized in that: described whipping agent is a kind of or several in Cellmic C 121 (AC), dinitrosopentamethylene tetramine (blowing agent H) or 4,4'～oxygen two (benzol sulfohydrazide).
5. cross-linking radiation pyrocondensation according to claim 1 foaming sleeve pipe, is characterized in that: described frothing aid is a kind of or several in Zinc Stearate, calcium stearate, active zinc flower.
6. cross-linking radiation pyrocondensation foaming anti-skid design sleeve pipe, this cross-linking radiation pyrocondensation foaming anti-skid design sleeve surface is established irregular decorative pattern, it is characterized in that: described cross-linking radiation pyrocondensation foaming anti-skid design sleeve pipe is made by the material of preparing of the pyrocondensation foaming sleeve pipe described in claim 1 to 5 any one.
7. a preparation method for the pyrocondensation as described in claim 1 to 5 preparation method any one foaming sleeve pipe, is characterized in that comprising the following steps:
(1) batch mixing: by weight, 0～10 part of polyolefine and/or terpolymer EP rubber and/or 100 parts of thermoplastic elastomers, 0.5～20 part of Its Compatibilizing Technology, 0.5～5 part, oxidation inhibitor, 0～250 part of fire retardant, 0～3 part of lubricant, 0～20 part of look mother, 1～35 part of whipping agent, frothing aid is mixed to form to batch mixing;
(2) granulation material: by batch mixing at 100-180 ℃ of temperature, extrude, wire drawing, cooling, pelletizing form pellet;
(3) extruding pipe material: particulate material is extruded to formation tubing through forcing machine;
(4) irradiation tubing: by the tubing of formation through rumbatron or cobalt source or ultraviolet source irradiation form crosslinked tubing;
(5) expansion, cooling and shaping: will be cross-linked that tubing foam at 220-300 ℃ of temperature and expand with expansion device, cooling and shaping forms foaming heat shrink sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151732.0A CN103923371A (en) | 2014-04-16 | 2014-04-16 | Irradiation crosslinking thermal shrinkage foaming casing pipe and irradiation crosslinking thermal shrinkage foaming pattern casing pipe as well as preparation methods thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151732.0A CN103923371A (en) | 2014-04-16 | 2014-04-16 | Irradiation crosslinking thermal shrinkage foaming casing pipe and irradiation crosslinking thermal shrinkage foaming pattern casing pipe as well as preparation methods thereof |
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| CN103923371A true CN103923371A (en) | 2014-07-16 |
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| CN201410151732.0A Pending CN103923371A (en) | 2014-04-16 | 2014-04-16 | Irradiation crosslinking thermal shrinkage foaming casing pipe and irradiation crosslinking thermal shrinkage foaming pattern casing pipe as well as preparation methods thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341667A (en) * | 2014-11-17 | 2015-02-11 | 武汉江南铁依环保产业发展有限公司 | Polyethylene halogen-free flame-retarding foaming master batch and preparation method thereof |
| CN106977760A (en) * | 2017-04-20 | 2017-07-25 | 苏州固德新材科技有限公司 | Super soft high resilience resin foamed material and preparation method thereof |
| CN108164996A (en) * | 2017-12-26 | 2018-06-15 | 长园电子（东莞）有限公司 | A kind of polyether block amide heat-shrinkable T bush and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575432A (en) * | 2009-06-10 | 2009-11-11 | 中科英华高技术股份有限公司 | Radiation crosslinking foaming heat shrinkable pipe material and preparation method |
| CN102816363A (en) * | 2011-06-07 | 2012-12-12 | 东莞市宏恩塑胶制品有限公司 | High-resilience flame-retarding antistatic foamed polyethylene material |
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2014
- 2014-04-16 CN CN201410151732.0A patent/CN103923371A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101575432A (en) * | 2009-06-10 | 2009-11-11 | 中科英华高技术股份有限公司 | Radiation crosslinking foaming heat shrinkable pipe material and preparation method |
| CN102816363A (en) * | 2011-06-07 | 2012-12-12 | 东莞市宏恩塑胶制品有限公司 | High-resilience flame-retarding antistatic foamed polyethylene material |
Non-Patent Citations (1)
| Title |
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| 张玉龙 主编: "《塑料、橡胶速查手册》", 31 August 2012 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341667A (en) * | 2014-11-17 | 2015-02-11 | 武汉江南铁依环保产业发展有限公司 | Polyethylene halogen-free flame-retarding foaming master batch and preparation method thereof |
| CN106977760A (en) * | 2017-04-20 | 2017-07-25 | 苏州固德新材科技有限公司 | Super soft high resilience resin foamed material and preparation method thereof |
| CN108164996A (en) * | 2017-12-26 | 2018-06-15 | 长园电子（东莞）有限公司 | A kind of polyether block amide heat-shrinkable T bush and preparation method thereof |
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Application publication date: 20140716 |