CN113583420A - Alloy PC material with strong compatibility and processing technology - Google Patents
Alloy PC material with strong compatibility and processing technology Download PDFInfo
- Publication number
- CN113583420A CN113583420A CN202110915467.9A CN202110915467A CN113583420A CN 113583420 A CN113583420 A CN 113583420A CN 202110915467 A CN202110915467 A CN 202110915467A CN 113583420 A CN113583420 A CN 113583420A
- Authority
- CN
- China
- Prior art keywords
- parts
- alloy
- poe
- glycidyl methacrylate
- strong compatibility
- 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
- 239000000463 material Substances 0.000 title claims abstract description 38
- 239000004417 polycarbonate Substances 0.000 claims abstract description 73
- 239000000956 alloy Substances 0.000 claims abstract description 48
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 47
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 30
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 27
- 238000002360 preparation method Methods 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 23
- 238000003763 carbonization Methods 0.000 description 2
- 230000036314 physical performance Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lubricants (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses an alloy PC material with strong compatibility and a processing technology thereof, and the formula comprises: polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE; the weight parts of the components are respectively as follows: 35-55 parts of polycarbonate, 20-30 parts of ABS, 25-35 parts of SAN, 0.1-0.3 part of dicumyl peroxide, 0.3-0.7 part of glycidyl methacrylate and 4-8 parts of POE; the invention prepares the composite compatibilizer by melting dicumyl peroxide, glycidyl methacrylate and POE and mixes the composite compatibilizer with other materials, reduces the surface tension between polymers and the particle size of a dispersed phase, ensures the stability of a blend, thereby improving the compatibility of the materials, reducing the difficulty of preparation, removing a carbonized layer and impurities on the surface of the raw materials by ultrasonic cleaning, then drying to eliminate moisture, and ensuring the purity of the materials during preparation, thereby improving the physical properties of the prepared alloy PC material.
Description
Technical Field
The invention relates to the technical field of alloy PC, in particular to an alloy PC material with strong compatibility and a processing technology thereof.
Background
The alloy PC is a new material with high performance, functionalization and specialization obtained by a physical blending or chemical grafting method, an alloy PC product can be widely used in the fields of automobiles, electronics, precise instruments, office equipment, packaging materials, building materials and the like, the processing of the alloy PC material is generally carried out by using a screw extruder, the existing alloy PC material and the processing technology can basically meet the use requirements of people, but still have certain disadvantages: firstly, because the existing alloy PC uses different materials, the compatibility between alloy materials is influenced by the surface tension and the diffusion capacity between the materials, and the preparation difficulty is improved; secondly, in the preparation process of the existing alloy PC, the material is not cleaned and dried, and the physical properties of the prepared material are influenced by the surface carbonization of the material and the residual moisture and impurities.
Disclosure of Invention
The invention aims to provide an alloy PC material with strong compatibility and a processing technology, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an alloy PC material with strong compatibility comprises the following components: polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE; the weight parts of the components are respectively as follows: 35-55 parts of polycarbonate, 20-30 parts of ABS, 25-35 parts of SAN, 0.1-0.3 part of dicumyl peroxide, 0.3-0.7 part of glycidyl methacrylate and 4-8 parts of POE.
A processing technology of alloy PC with strong compatibility comprises the following steps: step one, preparing raw materials; step two, cleaning and drying; step three, mixing the preparation; step four, melt preparation; step five, cooling and forming;
in the first step, respectively weighing 35-55 parts of polycarbonate, 20-30 parts of ABS, 25-35 parts of SAN, 0.1-0.3 part of dicumyl peroxide, 0.3-0.7 part of glycidyl methacrylate and 4-8 parts of POE according to the parts by weight of the components for later use;
in the second step, the polycarbonate, the ABS, the SAN, the dicumyl peroxide, the glycidyl methacrylate and the POE prepared in the first step are respectively placed in an ultrasonic cleaning machine for cleaning, then are placed in a baking oven for baking, and are taken out for standby after baking;
in the third step, the dicumyl peroxide, the glycidyl methacrylate and the POE which are baked in the second step are put into a double-screw extruder, and the mixture is put into a vacuum box for cooling after being extruded, and is cooled to obtain the composite compatibilizer;
in the fourth step, the polycarbonate, the ABS and the SAN obtained in the second step and the composite compatibilizer obtained in the third step are put into a double-screw extruder together for melt preparation, and are extruded into a forming die to obtain liquid alloy PC;
and step five, cooling the liquid alloy PC obtained in the step four in a vacuum box, and demolding after cooling to obtain the alloy PC material with strong compatibility.
Preferably, in the second step, the working time of the ultrasonic cleaning machine is 25-30 kHz, and the cleaning time is 10-17 min.
Preferably, in the second step, the baking temperature of the baking oven is 120-130 ℃, and the baking time is 40-60 min.
Preferably, in the third step, the rotating speed of a screw in the double-screw extruder is 45-55 r/min, and the temperature is 200-220 ℃.
Preferably, in the third step, the cooling rate of the vacuum box is 8-10 ℃/min, and the temperature is reduced to 20-30 ℃.
Preferably, in the fourth step, the rotating speed of a screw in the double-screw extruder is 70-80 r/min, and the temperature is 240-260 ℃.
Preferably, in the fifth step, the temperature reduction rate of the vacuum box is 8-10 ℃/min, and the temperature is reduced to 20-30 ℃.
Compared with the prior art, the invention has the beneficial effects that: through adding dicumyl peroxide, glycidyl methacrylate and POE (polyolefin elastomer) into the alloy PC material, the composite compatibilizer is prepared and mixed with the material, so that the surface tension between polymers and the particle size of a dispersed phase are reduced, the thickness of an interface layer is increased, and the stability of a blending structure is improved, so that the compatibility of the material is improved, and the preparation difficulty is reduced; through the cleaning and drying steps, the surface carbonization layer of the material is removed, the influence of residual moisture and impurities on preparation is eliminated, and the physical performance of the prepared material is improved.
Drawings
FIG. 1 is a flow chart of the processing technique of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
example 1:
an alloy PC material with strong compatibility comprises the following components: polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE; the weight parts of the components are respectively as follows: 40 parts of polycarbonate, 25 parts of ABS, 25 parts of SAN, 0.2 part of dicumyl peroxide, 0.5 part of glycidyl methacrylate and 6 parts of POE.
A processing technology of alloy PC with strong compatibility comprises the following steps: step one, preparing raw materials; step two, cleaning and drying; step three, mixing the preparation; step four, melt preparation; step five, cooling and forming;
in the first step, respectively weighing 40 parts of polycarbonate, 25 parts of ABS, 25 parts of SAN, 0.2 part of dicumyl peroxide, 0.5 part of glycidyl methacrylate and 6 parts of POE according to the parts by weight of the components for later use;
in the second step, respectively cleaning the polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE prepared in the first step for 14min by using an ultrasonic cleaner at the working frequency of 25kHz, putting the cleaned products into a baking oven, baking the products for 45min at the temperature of 125 ℃, and taking the products out for later use;
in the third step, the dicumyl peroxide, the glycidyl methacrylate and the POE which are baked in the second step are put into a double-screw extruder, the temperature is adjusted to 210 ℃, the rotating speed of the screw is 50r/min, the extruded mixture is put into a vacuum box to be cooled to 25 ℃ at the speed of 8 ℃/min, and the composite compatibilizer is obtained after cooling;
in the fourth step, the polycarbonate, the ABS and the SAN obtained in the second step and the composite compatibilizer obtained in the third step are put into a double-screw extruder together, the temperature is regulated to 250 ℃, the rotating speed of the screw is 75r/min, and the extruded mixture is put into a forming die to obtain liquid alloy PC;
and in the fifth step, the liquid alloy PC obtained in the fourth step is placed into a vacuum box, the temperature is reduced to 25 ℃ at the speed of 10 ℃/min, and then the alloy PC material with strong compatibility is obtained after demoulding.
Example 2:
an alloy PC material with strong compatibility comprises the following components: polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE; the weight parts of the components are respectively as follows: 50 parts of polycarbonate, 25 parts of ABS, 35 parts of SAN, 0.2 part of dicumyl peroxide, 0.6 part of glycidyl methacrylate and 7 parts of POE.
A processing technology of alloy PC with strong compatibility comprises the following steps: step one, preparing raw materials; step two, cleaning and drying; step three, mixing the preparation; step four, melt preparation; step five, cooling and forming;
in the first step, 50 parts of polycarbonate, 25 parts of ABS, 35 parts of SAN, 0.2 part of dicumyl peroxide, 0.6 part of glycidyl methacrylate and 7 parts of POE are respectively weighed according to the parts by weight of the components for later use;
in the second step, respectively cleaning the polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE prepared in the first step for 15min by using an ultrasonic cleaner at the working frequency of 28kHz, putting the cleaned products into a baking oven, baking the products for 50min at the temperature of 125 ℃, and taking the products out for later use;
in the third step, the dicumyl peroxide, the glycidyl methacrylate and the POE which are baked in the second step are put into a double-screw extruder, the temperature is adjusted to 210 ℃, the rotating speed of the screw is 50r/min, the extruded mixture is put into a vacuum box to be cooled to 30 ℃ at the speed of 8 ℃/min, and the composite compatibilizer is obtained after cooling;
in the fourth step, the polycarbonate, the ABS and the SAN obtained in the second step and the composite compatibilizer obtained in the third step are put into a double-screw extruder together, the temperature is regulated to 250 ℃, the rotating speed of the screw is 75r/min, and the extruded mixture is put into a forming die to obtain liquid alloy PC;
and in the fifth step, the liquid alloy PC obtained in the fourth step is placed into a vacuum box, the temperature is reduced to 30 ℃ at the speed of 10 ℃/min, and then the alloy PC material with strong compatibility is obtained after demoulding.
Example 3:
an alloy PC material with strong compatibility comprises the following components: polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE; the weight parts of the components are respectively as follows: 35 parts of polycarbonate, 20 parts of ABS, 25 parts of SAN, 0.1 part of dicumyl peroxide, 0.3 part of glycidyl methacrylate and 4 parts of POE.
A processing technology of alloy PC with strong compatibility comprises the following steps: step one, preparing raw materials; step two, cleaning and drying; step three, mixing the preparation; step four, melt preparation; step five, cooling and forming;
in the first step, respectively weighing 35 parts of polycarbonate, 20 parts of ABS, 25 parts of SAN, 0.1 part of dicumyl peroxide, 0.3 part of glycidyl methacrylate and 4 parts of POE according to the weight parts of the components for later use;
in the second step, respectively cleaning the polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE prepared in the first step for 10min by using an ultrasonic cleaner at the working frequency of 25kHz, putting the cleaned products into a baking oven, baking the products for 40min at the temperature of 120 ℃, and taking the products out for later use;
in the third step, the dicumyl peroxide, the glycidyl methacrylate and the POE which are baked in the second step are put into a double-screw extruder, the temperature is adjusted to be 200 ℃, the rotating speed of the screw is 45r/min, the extruded mixture is put into a vacuum box to be cooled to 20 ℃ at the speed of 8 ℃/min, and the composite compatibilizer is obtained after cooling;
in the fourth step, the polycarbonate, the ABS and the SAN obtained in the second step and the composite compatibilizer obtained in the third step are put into a double-screw extruder together, the temperature is adjusted to 240 ℃, the rotating speed of the screw is 70r/min, and the extruded mixture is put into a forming die to obtain liquid alloy PC;
and in the fifth step, the liquid alloy PC obtained in the fourth step is placed into a vacuum box, the temperature is reduced to 20 ℃ at the speed of 8 ℃/min, and then the alloy PC material with strong compatibility is obtained after demoulding.
The performance of the alloy PC material with strong compatibility obtained in the above embodiment is respectively tested, and compared with the alloy PC material prepared by the general process on the market, the obtained results are as follows:
| impact strength | |
| Example 1 | 183.5J/m |
| Example 2 | 174.8J/m |
| Example 3 | 189.2J/m |
| Comparative example | 85.7J/m |
Based on the above, the invention has the advantages that the dicumyl peroxide, the glycidyl methacrylate and the POE are melted to prepare the composite compatibilizer, and then the composite compatibilizer is mixed with various materials of the alloy, so that the compatibility among various materials is improved, the surface tension among polymers and the particle size of a dispersion phase are reduced, the stability of a blending structure is improved, the preparation difficulty is reduced, a carbonized layer and residual impurities of the materials are removed by generating ultrasonic waves, and then the influence of moisture is eliminated by drying, so that the physical performance of the prepared alloy PC material is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. An alloy PC material with strong compatibility comprises the following components: polycarbonate, ABS, SAN, dicumyl peroxide, glycidyl methacrylate and POE; the method is characterized in that: the weight parts of the components are respectively as follows: 35-55 parts of polycarbonate, 20-30 parts of ABS, 25-35 parts of SAN, 0.1-0.3 part of dicumyl peroxide, 0.3-0.7 part of glycidyl methacrylate and 4-8 parts of POE.
2. A processing technology of alloy PC with strong compatibility comprises the following steps: step one, preparing raw materials; step two, cleaning and drying; step three, mixing the preparation; step four, melt preparation; step five, cooling and forming; the method is characterized in that:
in the first step, respectively weighing 35-55 parts of polycarbonate, 20-30 parts of ABS, 25-35 parts of SAN, 0.1-0.3 part of dicumyl peroxide, 0.3-0.7 part of glycidyl methacrylate and 4-8 parts of POE according to the parts by weight of the components for later use;
in the second step, the polycarbonate, the ABS, the SAN, the dicumyl peroxide, the glycidyl methacrylate and the POE prepared in the first step are respectively placed in an ultrasonic cleaning machine for cleaning, then are placed in a baking oven for baking, and are taken out for standby after baking;
in the third step, the dicumyl peroxide, the glycidyl methacrylate and the POE which are baked in the second step are put into a double-screw extruder, and the mixture is put into a vacuum box for cooling after being extruded, and is cooled to obtain the composite compatibilizer;
in the fourth step, the polycarbonate, the ABS and the SAN obtained in the second step and the composite compatibilizer obtained in the third step are put into a double-screw extruder together for melt preparation, and are extruded into a forming die to obtain liquid alloy PC;
and step five, cooling the liquid alloy PC obtained in the step four in a vacuum box, and demolding after cooling to obtain the alloy PC material with strong compatibility.
3. The processing technology of the alloy PC with strong compatibility according to claim 2, characterized in that: in the second step, the working time of the ultrasonic cleaning machine is 25-30 kHz, and the cleaning time is 10-17 min.
4. The processing technology of the alloy PC with strong compatibility according to claim 2, characterized in that: in the second step, the baking temperature of the baking oven is 120-130 ℃, and the baking time is 40-60 min.
5. The processing technology of the alloy PC with strong compatibility according to claim 2, characterized in that: in the third step, the rotating speed of screws in the double-screw extruder is 45-55 r/min, and the temperature is 200-220 ℃.
6. The processing technology of the alloy PC with strong compatibility according to claim 2, characterized in that: in the third step, the cooling rate of the vacuum box is 8-10 ℃/min, and the temperature is reduced to 20-30 ℃.
7. The processing technology of the alloy PC with strong compatibility according to claim 2, characterized in that: in the fourth step, the rotating speed of a screw in the double-screw extruder is 70-80 r/min, and the temperature is 240-260 ℃.
8. The processing technology of the alloy PC with strong compatibility according to claim 2, characterized in that: in the fifth step, the temperature reduction rate of the vacuum box is 8-10 ℃/min, and the temperature is reduced to 20-30 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915467.9A CN113583420A (en) | 2021-08-10 | 2021-08-10 | Alloy PC material with strong compatibility and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915467.9A CN113583420A (en) | 2021-08-10 | 2021-08-10 | Alloy PC material with strong compatibility and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113583420A true CN113583420A (en) | 2021-11-02 |
Family
ID=78256863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110915467.9A Pending CN113583420A (en) | 2021-08-10 | 2021-08-10 | Alloy PC material with strong compatibility and processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113583420A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115678146A (en) * | 2022-10-24 | 2023-02-03 | 广东炜田环保新材料股份有限公司 | Tray turnover box and production process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163533A (en) * | 2017-05-26 | 2017-09-15 | 上海长伟锦磁工程塑料有限公司 | A kind of PC/ABS alloys of anti-screw hole cracking |
-
2021
- 2021-08-10 CN CN202110915467.9A patent/CN113583420A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163533A (en) * | 2017-05-26 | 2017-09-15 | 上海长伟锦磁工程塑料有限公司 | A kind of PC/ABS alloys of anti-screw hole cracking |
Non-Patent Citations (1)
| Title |
|---|
| 申娟等: "挤出条件对POE-g-GMA增韧PC/ABS合金性能的影响", 《工程塑料应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115678146A (en) * | 2022-10-24 | 2023-02-03 | 广东炜田环保新材料股份有限公司 | Tray turnover box and production process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113583420A (en) | Alloy PC material with strong compatibility and processing technology | |
| CN111548567A (en) | Preparation method and application of polypropylene composite material | |
| CN108178874A (en) | A kind of high voltage power cable polypropylene insulation material and preparation method thereof | |
| CN107082948A (en) | A kind of enhanced PP gasket for packings of polyethylene | |
| DE60012891T2 (en) | FUNCTIONALIZED POLYPROYPELENES AND METHOD FOR THEIR PRODUCTION | |
| CN108285598B (en) | Polyvinyl chloride processing aid master batch with toughening function and preparation method thereof | |
| CN103450561B (en) | high temperature resistant high impact polyphenylene ether/polypropylene alloy material and preparation method thereof | |
| CN111378073A (en) | Process method for preparing high-fluidity low-gloss ABS resin by continuous bulk method | |
| CN106633369A (en) | Preparation method of bi-component modified glass fiber filled composite polypropylene material | |
| DE2453491A1 (en) | PROCESS FOR PRODUCING COMPOUND DIMENSIONS | |
| CN111718534A (en) | High-tensile high-strength PE (polyethylene) winding film and preparation method thereof | |
| DE102013015417A1 (en) | Propylene resin material and process for its preparation | |
| CN111073553A (en) | High-strength high-fluidity polypropylene bonding resin and preparation method thereof | |
| CN111098468B (en) | 3D printing wire rod of rABS/SEBS-g-MAH and preparation method thereof | |
| DE19821746A1 (en) | Production of graft copolymer rubber for use in resin compositions | |
| CN117050498A (en) | Alloy formula and process based on PC+ABS | |
| CN112662061B (en) | Low-shrinkage modified polypropylene resin and preparation method and application thereof | |
| CN112280301B (en) | Low-dielectric-constant polyphenylene sulfide composite material and preparation process thereof | |
| CN114044973A (en) | Radiation-resistant PP electret melt-blown material and preparation process thereof | |
| CN107540935A (en) | A kind of polypropylene reclaimed material composition and preparation method thereof | |
| DE2020478A1 (en) | Thermoplastic molding compounds with improved dielectric properties | |
| CN106009427A (en) | Special material for white polyvinylidene fluoride cast film | |
| CN108504077B (en) | White graphene modified polyphenyl ether composite material and preparation method thereof | |
| CN114044974B (en) | Flame-treatment-free high-foaming-rate polypropylene foaming material and preparation method thereof | |
| JP7191429B1 (en) | Method for manufacturing dielectric material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211102 |