CN102532771B - Environment-friendly polyethylene compatilizer and preparation method thereof - Google Patents
Environment-friendly polyethylene compatilizer and preparation method thereof Download PDFInfo
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- CN102532771B CN102532771B CN201010610143.6A CN201010610143A CN102532771B CN 102532771 B CN102532771 B CN 102532771B CN 201010610143 A CN201010610143 A CN 201010610143A CN 102532771 B CN102532771 B CN 102532771B
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- 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
- B29C48/04—Particle-shaped
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- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92542—Energy, power, electric current or voltage
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92952—Drive section, e.g. gearbox, motor or drive fluids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention relates to an environment-friendly polyethylene compatilizer and a preparation method thereof. The environment-friendly polyethylene compatilizer comprises the following components in percentage by weight: 75 to 98 percent of polyethylene, 1 to 10 percent of functional monomer, 0.1 to 10 percent of initiator, 0.1 to 9 percent of anti-crosslinking agent, 0.1 to 3 percent of antioxidant and 0.1 to 3 percent of lubricating agent. The preparation method comprises the following steps of: placing the components in a highly mixing machine in a ratio; mixing; feeding the mixture into a double-screw extruder in a side feeding manner; extruding by using the double-screw extruder; and performing ultrasonic treatment to obtain the product. Compared with the prior art, the environment-friendly polyethylene compatilizer and the preparation method thereof have the advantages that: the polyethylene compatilizer with high grafting ratio is obtained by a compound initiating system and an ultrasonic technology; the problems of high monomer residual amount and serious gelling phenomenon are solved; emission of toxic substances is reduced; and the environment and healthiness of users are protected.
Description
Technical field
The present invention relates to field of polymer technology, especially relate to a kind of environment-friendly type polyethylene compatilizer and preparation method thereof.
Background technology
Polyethylene is as general-purpose plastics, large with output, functional and cheap price and being used widely.But because its surface can be low, molecule is unreactiveness, causes its binding property, wettability, printing and dyeing property, gas permeability, static resistance and poor with the consistency of the poly-platform thing of other polarity, mineral filler etc.These shortcomings have restricted poly further application.Polyethylene is carried out to grafting functionalization and can give its some properties, can well improve the interface performance of co-blended packing material, thereby obviously improve the performance of matrix material.
At present, functionalized grafted polyethylene has been widely applied to modifying plastics industry, as blend increase-volume, fill strengthen, bonding etc., and be also more and more subject to people's attention at the emerging field such as fireproofing cable material without halide, wood plastic composite.
At present, the preparation method of functionalized grafted polyethylene adopts twin screw extruder directly to carry out reactive grafting more, and this method is applied widely, the investments such as equipment are required less, but because the reaction times is shorter, grafting efficiency is not high.Traditional method is by improving the functional monomer content such as maleic anhydride to obtain high percentage of grafting, but it is crosslinked that sub polyethylene subchain easily produces after free radical causes, the existence of excessive maleic anhydride also can promote the carrying out of this reaction, and inevitable like this can causing is cross-linked excessively.In addition, residual maleic anhydride monomer taste pungency is large, is unfavorable for that environment protection and people's is healthy.And residual initiator also may cause sub polyethylene subchain product deposit or the process that uses in further crosslinked, and affect the normal use of product.
Summary of the invention
Object of the present invention be exactly provide in order to overcome the defect that above-mentioned prior art exists a kind of percentage of grafting high, reduce use cost, low residual amt, the environment-friendly type polyethylene compatilizer that has no irritating odor and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions:
A kind of environment-friendly type polyethylene compatilizer, is characterized in that, this compatilizer comprises following component and weight percent content:
Polyethylene 75-98,
Functional monomer 1-10,
Initiator 0.1-10,
Anti-linking agent 0.1-9,
Oxidation inhibitor 0.1-3,
Lubricant 0.1-3.
Described polyethylene is selected from one or more in high density polyethylene(HDPE), Low Density Polyethylene or linear low density polyethylene.
It is one or more in maleic anhydride, glycidyl methacrylate or vinylformic acid that described functional monomer is selected from.
Described initiator is dicumyl peroxide, dibenzoyl peroxide, 2,5-dimethyl-2, two (tert-butyl peroxy base) hexanes, 2 of 5-, 5-dimethyl-2, the compound of two kinds in two (tert-butyl peroxy base) hexins of 5-, Diisopropyl azodicarboxylate or two tert-butyl peroxy isopropyl benzene, the weight ratio of compound is 1: 4～4: 1.
Described anti-linking agent is selected from one or more in stearic amide, para benzoquinone, oleic acid, triphenyl phosphite, tetracol phenixin or vinylbenzene.
Described oxidation inhibitor Hinered phenols antioxidant and the compound system of phosphite ester kind antioxidant.
Described oxidation inhibitor can be that antioxidant 1010 and irgasfos 168 are the compound of 1: 1 by weight.
Described lubricant can be one or more in fatty acid soaps salt series lubricant agent, silicone powder or low-molecular-weight wax.
Described fatty acid soaps salt series lubricant agent comprises calcium stearate, Zinic stearas, ethylene bis-fatty acid amides or modification ethylene bis-fatty acid amides.
A preparation method for environment-friendly type polyethylene compatilizer, is characterized in that, the method comprises the following steps:
(1) get the raw materials ready according to following component and weight percent content:
Polyethylene 75-98,
Functional monomer 1-10,
Initiator 0.1-10,
Anti-linking agent 0.1-9,
Oxidation inhibitor 0.1-3,
Lubricant 0.1-3;
(2) said components is put into high-speed mixer and mixing 3-5 minute in proportion, discharging, raw material adopts side feeding manner feeding twin screw extruder, extrude with twin screw extruder, then apply supersound process, controlled working temperature is at 80-210 ℃, screw rod revolution is at 180-600 rev/min, ultrasonic power, at 100W-800W, melt extrudes granulation supersound process, obtains product.
Compared with prior art, the present invention makes a kind of efficient and environment-friendly type polyethylene compatilizer, can be used for polyethylene alloy increase-volume, fill strengthen, bonding etc., the emerging fields such as this external fireproofing cable material without halide, wood plastic composite are also widely used.Composite initiator system has improved grafting efficiency, side feeding manner has shortened the time Tile Width of initiator in twin screw extruder, and the selection of suitable anti-linking agent is all to control gel content to lay the foundation, pass through supersound process, further improve grafting efficiency, and consumed residual initiator, reduce the residual quantity of monomer.The present invention has well solved the shortcoming that the high percentage of grafting of polyethylene reactive grafting and low residue, low gel content are vied each other, and has prepared a kind of polyethylene compatilizer of high-efficiency environment friendly.
Advantage of the present invention is that the compatilizer percentage of grafting of preparation is high, can reduce addition, reduces use cost; Low residual amt, have no irritating odor, be conducive to the healthy of environment protection and people; Supersonic treatment, can make material property more stable, extends the shelf life; Low-gel content, has excellent processing stability.The present invention has adapted to the development trend of low-carbon environment-friendly, can be widely used in the fields such as modifying plastics, fireproofing cable material without halide, wood plastic composite.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Polyethylene adopts the LLDPE of Korea S's import, and initiator adopts 2,5-dimethyl-2, two (tert-butyl peroxy base) hexanes of 5-, and oxidation inhibitor is 168 and 1010 of CIBA company, and lubricant adopts calcium stearate, and function monomer adopts maleic anhydride.The processing of employing traditional technology, puts into high-speed mixer and mixing 3-5 minute in proportion by said components, and discharging, then uses screw extrusion press extruding pelletization, and processing temperature is at 80-200 ℃, and screw rod revolution is at 450 revs/min.
Embodiment 2
Polyethylene adopts the LLDPE of Korea S's import, initiator adopts 2,5-dimethyl-2, two (tert-butyl peroxy base) hexanes of 5-and two tert-butyl peroxy isopropyl benzene obtain compound, ratio is 2: 3, and function monomer adopts maleic anhydride, and oxidation inhibitor is 168 and 1010 of CIBA company, lubricant adopts calcium stearate, and anti-linking agent adopts triphenyl phosphite.The processing of employing traditional technology, puts into high-speed mixer and mixing 3-5 minute in proportion by said components, and discharging, then uses screw extrusion press extruding pelletization, and processing temperature is at 80-200 ℃, and screw rod revolution is at 450 revs/min.
Embodiment 3
Polyethylene adopts the LLDPE of Korea S's import, initiator adopts 2,5-dimethyl-2, two (tert-butyl peroxy base) hexanes of 5-and two tert-butyl peroxy isopropyl benzene obtain compound, function monomer adopts maleic anhydride, oxidation inhibitor is 168 and 1010 of CIBA company, and lubricant adopts calcium stearate, and anti-linking agent adopts triphenyl phosphite.Said components is put into high-speed mixer and mixing 3-5 minute in proportion, and discharging, extrudes with twin screw extruder, raw material adopts side feeding manner feeding twin screw extruder, then applies granulation after supersound process, and processing temperature is at 80-200 ℃, screw rod revolution is at 450 revs/min, and ultrasonic power is at 400W.
Embodiment 4
Adopt the domestic PA6 of 750g, 200g imported from America linear low density polyethylene, the sample 1-3 that 50g compatilizer adopts embodiment to prepare, 4g oxidation inhibitor is 168 and 1010 (1: 1) of CIBA company, 3g lubricant adopts modification ethylene bis-fatty acid amides.Said components is put into high-speed mixer and mixing 3-5 minute in proportion, and discharging, extrudes with twin screw extruder, and processing temperature is at 200-230 ℃, and screw rod revolution, at 450 revs/min, is prepared sample 4-6.
Embodiment 5
Adopt the domestic PA6 of 770g, 200g imported from America linear low density polyethylene, the sample 3 that 30g compatilizer adopts embodiment to prepare, 4g oxidation inhibitor is 168 and 1010 (1: 1) of CIBA company, 3g lubricant adopts modification ethylene bis-fatty acid amides.Said components is put into high-speed mixer and mixing 3-5 minute in proportion, and discharging, extrudes with twin screw extruder, and processing temperature is at 200-230 ℃, and screw rod revolution, at 450 revs/min, is prepared sample 7.
The formulation ratio of table 1. embodiment 1-3
The sample 1-3 making according to embodiment 1-3 carries out following contrast:
Table 2. percentage of grafting and gel content contrast
| Project | Gel content (%) | Percentage of grafting (%) | Grafting efficiency (%) |
| Sample 1 | 14.6 | 0.6 | 30％ |
| Sample 2 | 3.6 | 1.2 | 60％ |
| Sample 3 | 3.7 | 1.4 | 70％ |
The time dependent contrast of table 3. sample 1-3 stability
Note: sample stability test condition: 120 ℃; Melting index (MI) test condition: 190 ℃ × 5Kg;
The sample 4-7 making according to embodiment 4-5 carries out following contrast:
Table 4. sample is in the physical property contrast of PA6/PE/ compatilizer (75/20/5)
Embodiment 6
A preparation method for environment-friendly type polyethylene compatilizer, comprises the following steps:
(1) get the raw materials ready according to following component and content: polyethylene 75kg, functional monomer 10kg, initiator 1kg, anti-linking agent 9kg, oxidation inhibitor 3kg, lubricant 2kg, wherein, polyethylene is high density polyethylene(HDPE), functional monomer is glycidyl methacrylate and acrylic acid mixture, initiator is that dicumyl peroxide and dibenzoyl peroxide are the compound forming at 1: 4 by weight, anti-linking agent is the mixture of oleic acid and triphenyl phosphite, oxidation inhibitor is that Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 are the compound of 1: 1 by weight, lubricant is silicone powder,
(2) said components is put into high-speed mixer and mixing 3 minutes in proportion, discharging, raw material adopts side feeding manner feeding twin screw extruder, extrude with twin screw extruder, then apply supersound process, controlled working temperature is at 80 ℃, screw rod revolution is at 600 revs/min, ultrasonic power, at 400W, melt extrudes granulation supersound process, obtains product.
Embodiment 7
A preparation method for environment-friendly type polyethylene compatilizer, comprises the following steps:
(1) get the raw materials ready according to following component and content: polyethylene 98kg, functional monomer 1kg, initiator 0.2kg, anti-linking agent 0.2kg, oxidation inhibitor 0.2kg, lubricant 0.4kg, wherein, polyethylene is the mixture of Low Density Polyethylene and linear low density polyethylene, functional monomer is glycidyl methacrylate, initiator is 2, 5-dimethyl-2, two (tert-butyl peroxy base) hexins of 5-and Diisopropyl azodicarboxylate are the compound forming at 1: 1 by weight, anti-linking agent is para benzoquinone, oxidation inhibitor is that Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 are the compound of 1: 1 by weight, lubricant is calcium stearate,
(2) said components is put into high-speed mixer and mixing 4 minutes in proportion, discharging, raw material adopts side feeding manner feeding twin screw extruder, extrude with twin screw extruder, then apply supersound process, controlled working temperature is at 160 ℃, screw rod revolution is at 400 revs/min, ultrasonic power, at 100W, melt extrudes granulation supersound process, obtains product.
Embodiment 8
A preparation method for environment-friendly type polyethylene compatilizer, comprises the following steps:
(1) get the raw materials ready according to following component and content: polyethylene 90kg, functional monomer 6.7kg, initiator 0.1kg, anti-linking agent 0.1kg, oxidation inhibitor 0.1kg, lubricant 3kg, wherein, polyethylene is linear low density polyethylene, functional monomer is glycidyl methacrylate, initiator is 2, 5-dimethyl-2, two (tert-butyl peroxy base) hexanes and 2 of 5-, 5-dimethyl-2, two (tert-butyl peroxy base) hexins of 5-are the compound forming at 4: 1 by weight, anti-linking agent is tetracol phenixin, oxidation inhibitor is that Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 are the compound of 1: 1 by weight, lubricant is the mixture of Zinic stearas and ethylene bis-fatty acid amides,
(2) said components is put into high-speed mixer and mixing 5 minutes in proportion, discharging, raw material adopts side feeding manner feeding twin screw extruder, extrude with twin screw extruder, then apply supersound process, controlled working temperature is at 180 ℃, screw rod revolution is at 300 revs/min, ultrasonic power, at 600W, melt extrudes granulation supersound process, obtains product.
Embodiment 9
A preparation method for environment-friendly type polyethylene compatilizer, comprises the following steps:
(1) get the raw materials ready according to following component and content: polyethylene 79kg, functional monomer 2kg, initiator 10kg, anti-linking agent 5kg, oxidation inhibitor 1kg, lubricant 3kg, wherein, polyethylene is Low Density Polyethylene, functional monomer is glycidyl methacrylate, initiator is 2, 5-dimethyl-2, two (tert-butyl peroxy base) hexanes and 2 of 5-, 5-dimethyl-2, two (tert-butyl peroxy base) hexins of 5-are the compound forming at 3: 1 by weight, anti-linking agent is tetracol phenixin, oxidation inhibitor is that Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 are the compound of 1: 1 by weight, lubricant is the mixture of Zinic stearas and ethylene bis-fatty acid amides,
(2) said components is put into high-speed mixer and mixing 5 minutes in proportion, discharging, raw material adopts side feeding manner feeding twin screw extruder, extrude with twin screw extruder, then apply supersound process, controlled working temperature is at 210 ℃, screw rod revolution is at 180 revs/min, ultrasonic power, at 800W, melt extrudes granulation supersound process, obtains product.
Claims (9)
1. an environment-friendly type polyethylene compatilizer, is characterized in that, this compatilizer comprises following component and weight percent content:
Described anti-linking agent is selected from one or more in para benzoquinone, triphenyl phosphite or tetracol phenixin.
2. a kind of environment-friendly type polyethylene compatilizer according to claim 1, is characterized in that, described polyethylene is selected from one or more in high density polyethylene(HDPE), Low Density Polyethylene or linear low density polyethylene.
3. a kind of environment-friendly type polyethylene compatilizer according to claim 1, is characterized in that, it is one or more in maleic anhydride, glycidyl methacrylate or vinylformic acid that described functional monomer is selected from.
4. a kind of environment-friendly type polyethylene compatilizer according to claim 1, it is characterized in that, described initiator is dicumyl peroxide, dibenzoyl peroxide, 2,5-dimethyl-2, two (tert-butyl peroxy base) hexanes, 2 of 5-, 5-dimethyl-2, the compound of two kinds in two (tert-butyl peroxy base) hexins of 5-, Diisopropyl azodicarboxylate or two tert-butyl peroxy isopropyl benzene, the weight ratio of compound is 1:4～4:1.
5. a kind of environment-friendly type polyethylene compatilizer according to claim 1, is characterized in that, described oxidation inhibitor Hinered phenols antioxidant and the compound system of phosphite ester kind antioxidant.
6. a kind of environment-friendly type polyethylene compatilizer according to claim 5, is characterized in that, described oxidation inhibitor can be that antioxidant 1010 and irgasfos 168 are the compound of 1:1 by weight.
7. a kind of environment-friendly type polyethylene compatilizer according to claim 1, is characterized in that, described lubricant can be one or more in fatty acid soaps salt series lubricant agent, silicone powder or low-molecular-weight wax.
8. a kind of environment-friendly type polyethylene compatilizer according to claim 7, is characterized in that, described fatty acid soaps salt series lubricant agent comprises calcium stearate, Zinic stearas, ethylene bis-fatty acid amides or modification ethylene bis-fatty acid amides.
9. a preparation method for environment-friendly type polyethylene compatilizer as claimed in claim 1, is characterized in that, the method comprises the following steps:
(1) get the raw materials ready according to following component and weight percent content:
(2) said components is put into high-speed mixer and mixing 3-5 minute in proportion, discharging, raw material adopts side feeding manner feeding twin screw extruder, extrude with twin screw extruder, then apply supersound process, controlled working temperature is at 80-210 ℃, screw rod revolution is at 180-600 rev/min, ultrasonic power, at 100W-800W, melt extrudes granulation supersound process, obtains product.
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| WO2019200839A1 (en) * | 2018-04-17 | 2019-10-24 | 佳易容相容剂江苏有限公司 | Toughening agent for high-performance polyester and alloy thereof, and preparation method therefor |
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| CN109280262A (en) * | 2018-09-27 | 2019-01-29 | 三斯达（江苏）环保科技有限公司 | Maleic anhydride is grafted LDPE and its preparation method and application |
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| CN112063063B (en) * | 2020-08-14 | 2023-10-31 | 厦门美科安防科技股份有限公司 | Preparation method of polyethylene wax/SEBS (styrene-ethylene-butylene-styrene) -based nano-silver antibacterial material and application of material in polystyrene injection molding products |
| CN115058071B (en) * | 2022-06-22 | 2023-08-29 | 百通赫思曼工业（苏州）有限公司 | Crosslinked polyethylene cable material for solving problem of unstable printing |
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| US5585434A (en) * | 1995-05-31 | 1996-12-17 | Montell North America Inc. | Blends of polyolefin graft copolymers and polycarbonate |
| JP4883743B2 (en) * | 2002-08-02 | 2012-02-22 | Ｎｔｎ株式会社 | Grease composition and bearing containing the grease composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019200839A1 (en) * | 2018-04-17 | 2019-10-24 | 佳易容相容剂江苏有限公司 | Toughening agent for high-performance polyester and alloy thereof, and preparation method therefor |
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