CN116376260B - High-temperature-resistant high-humidity polycarbonate composite material and preparation method thereof - Google Patents
High-temperature-resistant high-humidity polycarbonate composite material and preparation method thereof Download PDFInfo
- Publication number
- CN116376260B CN116376260B CN202310508576.8A CN202310508576A CN116376260B CN 116376260 B CN116376260 B CN 116376260B CN 202310508576 A CN202310508576 A CN 202310508576A CN 116376260 B CN116376260 B CN 116376260B
- Authority
- CN
- China
- Prior art keywords
- temperature
- composite material
- polycarbonate
- parts
- polycarbonate composite
- 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.)
- Active
Links
- 239000004417 polycarbonate Substances 0.000 title claims abstract description 49
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 15
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 229920005610 lignin Polymers 0.000 claims abstract description 12
- 229910000077 silane Inorganic materials 0.000 claims abstract description 12
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- 239000012745 toughening agent Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000011258 core-shell material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- -1 acrylic ester Chemical class 0.000 claims description 2
- 229920000180 alkyd Polymers 0.000 claims description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 21
- 238000002156 mixing Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 13
- 230000032683 aging Effects 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229920000402 bisphenol A polycarbonate polymer Polymers 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920009204 Methacrylate-butadiene-styrene Polymers 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- WXNRYSGJLQFHBR-UHFFFAOYSA-N bis(2,4-dihydroxyphenyl)methanone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=C(O)C=C1O WXNRYSGJLQFHBR-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Abstract
The invention provides a high-temperature and high-humidity resistant polycarbonate composite material and a preparation method thereof, and relates to the technical field of PC composite material processing. The high-temperature and high-humidity resistant polycarbonate composite material is prepared by mixing and extruding materials such as bisphenol A type polycarbonate, glass fiber treated by silane, sulfomethylated lignin, compatilizer, toughening agent, antioxidant, ultraviolet resistant agent, lubricant and the like. The invention overcomes the defects of the prior art, effectively improves the high-temperature and high-humidity resistance of the polycarbonate material, and can prolong the service life of the polycarbonate material in severe environments such as sunning, rain, freezing, ultraviolet radiation and the like.
Description
Technical Field
The invention relates to the technical field of PC composite material processing, in particular to a high-temperature and high-humidity resistant polycarbonate composite material and a preparation method thereof.
Background
Polycarbonate (PC) is a high-molecular polymerized thermoplastic engineering plastic, and has the advantages of creep resistance, good dimensional stability, heat resistance, transparency, good dielectric property and the like, and is widely applied. In the PC, in the high-molecular polymer, the larger the molecular weight of the polymer, the larger the molecular chain structure, the greater the intermolecular acting force and entanglement degree, and the stronger the low-temperature resistance; the polymer has wide molecular weight distribution, excellent comprehensive performance, high impact strength, small molecular weight, small molecular chain structure, wide molecular weight distribution, larger low molecular weight component, weaker low temperature resistance, easy formation of microscopic tearing, broken molecular chain, cracking, pulverization, brittleness, short period, degradation and yellowing of the product and the like, and severely restricts the wide application of PC materials.
At present, in order to solve the problems of the PC material, the conventional method is mainly to solve the problems of an anti-aging agent, a stress cracking resistance auxiliary agent and the like in the PC material by a modification method, but the effect is not ideal.
Compared with the prior art, the high-performance high-temperature and high-humidity resistant PC modified material is used in a severe environment of the nature, and the service life of the product can be prolonged by 5 years to 10 years on the basis of the prior art. Therefore, the method not only meets the requirement of being used in a severe environment with high temperature and high humidity, but also prolongs the service life of the product, thereby saving the cost of the product caused by aging and replacement.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the high-temperature and high-humidity resistant polycarbonate composite material and the preparation method thereof, which effectively improve the high-temperature and high-humidity resistance of the polycarbonate material and can prolong the service life of the polycarbonate material in severe environments such as sun, rain, freezing, ultraviolet radiation and the like.
In order to achieve the above object, the technical scheme of the present invention is realized by the following technical scheme:
the high-temperature and high-humidity resistant polycarbonate composite material comprises the following raw materials in parts by weight: 90 parts of bisphenol A type polycarbonate, 10 parts of glass fiber treated by silane, 1-1.6 parts of sulfomethylated lignin, 2-5 parts of compatilizer, 1-4 parts of flexibilizer, 0.5-0.8 part of antioxidant, 0.3-0.8 part of ultraviolet resistant agent and 0.3-0.6 part of lubricant.
Preferably, the bisphenol A polycarbonate has a melt index of 10 to 20g/10min.
Preferably, the glass fiber after silane treatment is chopped strand with the diameter of 10-13 μm, the length of 1.0-4.5mm and the chopping rate of more than 98 percent.
Preferably, the compatilizer is an acrylic ester high polymer copolymer with a core-shell structure.
Preferably, the toughening agent is an ethylene-acrylate-glycidyl acrylate terpolymer.
Preferably, the antioxidant is a compound of hindered phenol antioxidants and phosphite antioxidants.
Preferably, the anti-ultraviolet agent is obtained by compounding an ultraviolet absorber UV-9 and an ultraviolet absorber BP-2.
Preferably, the lubricant is an alkyd high molecular compound.
A preparation method of a high-temperature and high-humidity resistant polycarbonate composite material comprises the following steps:
(1) Adding bisphenol A type polycarbonate, a compatilizer and a toughening agent into a mixer, and adding diffusion oil to mix fully to obtain a first premix;
(2) Adding the lubricant, the antioxidant and the anti-ultraviolet agent into the first premix, and continuously stirring and dispersing uniformly to obtain a second premix;
(3) Putting the chopped glass fibers into a second premix, and continuously and uniformly stirring to obtain a mixture;
(4) And adding the mixture into a double-screw extruder for extrusion, and obtaining the high-temperature and high-humidity resistant polycarbonate composite material through spinning, water cooling, granulating and homogenizing.
Preferably, in the step (4), the temperature of the particle molding machine barrel is divided into ten temperature areas, the temperature is controlled between 220 ℃ and 270 ℃, the die head temperature is 235 ℃ to 250 ℃, the extrusion pressure is 6.0 Mpa to 10.0Mpa, and the vacuum pressure is 0.7 Mpa to 1.0Mpa.
The invention provides a high-temperature and high-humidity resistant polycarbonate composite material and a preparation method thereof, and has the advantages compared with the prior art that:
(1) According to the invention, bisphenol A polycarbonate with a melt index of 10-20g/10min is adopted as a base material, silane treated chopped strands are added in an auxiliary manner, and the high-temperature and high-humidity resistance of the material can be effectively improved by combining sulfomethylation lignin, meanwhile, the high-temperature and humidity resistance of the material can be effectively improved by mixing the acrylic acid ester high-molecular copolymer and the ethylene-acrylic acid ester-glycidyl acrylate terpolymer, and meanwhile, the excellent mechanical property of the material is ensured, and the service life of the material is prolonged.
(2) The acrylate high molecular copolymer with the core-shell structure is adopted in the invention, so that the acrylate high molecular copolymer has good compatibility in polycarbonate, excellent toughening efficiency is exerted, meanwhile, high modulus is kept, all chemical bonds of a molecular chain of the acrylate high molecular copolymer are saturated, chemical reaction is not easy to occur relative to olefin substances with unsaturated bonds, and meanwhile, the moisture resistance and ageing resistance of the material can be effectively improved by combining ethylene-acrylate-glycidyl acrylate terpolymer.
(3) The ultraviolet resistant agent is prepared by compounding an ultraviolet absorbent UV-9 with a main component of 2-hydroxy-4-methoxybenzophenone and an ultraviolet absorbent BP-2 with a main component of 2,2', 4' -tetrahydroxybenzophenone, wherein the absorption wavelength range of the UV-9 is 280-340nm, the absorption wavelength range of the BP-2 is 320-400nm, and the ultraviolet resistant agent can absorb harmful ultraviolet rays in a larger range by compounding the ultraviolet resistant agent and the ultraviolet resistant agent.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
preparation of high-temperature and high-humidity resistant polycarbonate composite material:
(1) The preparation method comprises the following steps of:
90 parts of bisphenol A polycarbonate with the melt index of 10-20g/10min,
10 Parts of silane-treated chopped glass fiber strands having a diameter of 10-13 μm and a length of 1.0-4.5mm and a chopping rate of more than 98%,
1.3 Parts of sulfomethylated lignin (SML),
3.5 Parts of methyl methacrylate-butadiene-styrene copolymer (Japanese electric chemistry MBS TH-21B),
Ethylene-acrylic ester-glycidyl acrylate terpolymer (EMA Acomax AX 8900)
0.7 Part of mixture of 0.1 part of Pasteur 1076 and Pasteur 168 antioxidant in a mass ratio of 1:1,
0.6 Part of a mixture of UV absorber UV-9 and UV absorber BP-2 in a mass ratio of 1:1,
0.5 Parts of high-temperature lubricant PETS;
(2) Adding the bisphenol A type polycarbonate mixed methyl methacrylate-butadiene-styrene copolymer and ethylene-acrylic ester-glycidyl acrylate terpolymer into a mixer, adding about 200ml of diffusion oil, mixing and stirring for 4min at a rotating speed of 50r/min in the mixer to fully and uniformly mix the diffusion oil in the bisphenol A type polycarbonate, adding a mixture of a lubricant PETS, a Pasteur 1076 and a Pasteur 168 antioxidant in a mass ratio of 1:1 and a mixture of an ultraviolet absorbent UV-9 and an ultraviolet absorbent BP-2 in a mass ratio of 1:1 into the mixer, and keeping the rotating speed to continuously stir for 8min to uniformly disperse various auxiliary agents to obtain a premix;
(3) Putting chopped glass fibers and sulfomethylated lignin into a premix, and continuously stirring at a rotation speed of about 25 seconds to obtain a mixture;
(4) Adding the stirred mixture into a double-screw extruder, controlling the temperature of a particle molding machine barrel to be divided into ten temperature areas, wherein the specific temperature change is shown in the following table 1, the temperature of a rear die head is 235-250 ℃, the extrusion pressure is 6.0-10.0Mpa, the vacuum pressure is 0.7-1.0Mpa, and the polycarbonate composite material is obtained after spinning, water cooling, granulating and homogenizing after extrusion.
Table 1:
| Temperature zone | Ⅰ | Ⅱ | Ⅲ | Ⅳ | Ⅴ | Ⅵ | Ⅶ | Ⅷ | Ⅸ | Ⅹ |
| Temperature (. Degree. C.) | 250 | 230 | 220 | 230 | 250 | 240 | 270 | 250 | 230 | 220 |
Comparative example 1:
Preparation of polycarbonate composite material:
The preparation method is to prepare a polycarbonate composite material by subtracting the addition of sulfomethylated lignin from the formula and performing the rest steps in the same way as in the example 1.
Comparative example 2:
Preparation of polycarbonate composite material:
According to the preparation method, sulfomethylated lignin is replaced by common lignin in a formula, and the rest steps are the same as those of the example 1, so that the polycarbonate composite material is prepared.
Comparative example 3:
Preparation of polycarbonate composite material:
In the preparation method, silane-treated chopped glass fiber precursor is replaced by common chopped glass fiber precursor in the formula, and the rest steps are the same as those of the example 1, so as to prepare the polycarbonate composite material.
And (3) detection:
1. The polycarbonate composites prepared in example 1 and comparative examples 1 to 3 above were tested for dual 85 performance according to the GB/T2423.50-2012 standard, i.e. in an environment of 85℃and 85% humidity, and the appearance changes of each group of materials 1000h, 1500h and 2000h were measured, the results are shown in Table 2 below:
TABLE 2
From the above table, it can be seen that the addition of silane-treated chopped glass fiber precursors in combination with sulfomethylated lignin can ensure the high temperature and high humidity resistance of the material.
2. The mechanical properties of the polycarbonate composites prepared in example 1 and comparative examples 1 to 3 were examined:
Bending properties: the bending speed is 2mm/min, the bending moment is 55mm, the sample size is 126mm multiplied by 13mm multiplied by 3.20mm, and the average value of 5 samples is taken according to the ASTM-D638 standard on an electronic universal tester;
impact properties: manufacturing impact notches on each group of samples by adopting a pattern notch broaching machine according to the ASTM-D256 standard, and finishing detection by adopting a pendulum impact tester;
Thermal deformation temperature test: the detection is carried out according to the GB/T1634.2-2004 standard, the design style is 80mm multiplied by 13mm multiplied by 3mm, the span is 64mm, the heating rate is 120 ℃/h, and the displacement upper line is 0.420mm;
the specific detection results are shown in the following table 3:
TABLE 3 Table 3
| Group of | Flexural modulus (MPa) | Notched impact Strength (J/m) | Heat distortion temperature (DEG C) |
| Example 1 | 5024.9 | 221.5 | 128 |
| Comparative example 1 | 4991.5 | 215.2 | 128 |
| Comparative example 2 | 4927.7 | 201.6 | 129 |
| Comparative example 3 | 4859.8 | 220.5 | 128 |
From the above table, the mixed addition of silane-treated chopped glass fiber precursor and sulfomethylated lignin can effectively ensure the heat distortion temperature and improve the mechanical properties of the material.
3. Ultraviolet light aging experiments were performed on the polycarbonate composites prepared in example 1 and comparative examples 1 to 3 above:
Placing the materials in an ultraviolet aging experimental box, ensuring the temperature to be constant at 28 ℃, and adopting a UV-B lamp to carry out irradiation aging for 1500 hours
The polycarbonate composites prepared in example 1 and comparative examples 1 to 3 were tested for color difference values after aging of each group and for impact properties after aging, and the results are shown in Table 4 below:
TABLE 4 Table 4
| Group of | Color difference value | Notched impact Strength (J/m) |
| Example 1 | △E≤3.0 | 179.3 |
| Comparative example 1 | △E≤3.0 | 161.4 |
| Comparative example 2 | △E≤3.0 | 143.1 |
| Comparative example 3 | △E≤3.0 | 172.0 |
As can be seen from the above Table 4, the color difference values of the respective groups of materials after UV curing are smaller, and the comparison of the data in Table 3 and Table 4 shows that the impact strength of the material prepared in example 1 remains more than 80% after 1500 hours of UV aging.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The high-temperature and high-humidity resistant polycarbonate composite material is characterized by comprising the following raw materials in parts by weight: 90 parts of bisphenol A type polycarbonate, 10 parts of glass fiber treated by silane, 1-1.6 parts of sulfomethylated lignin, 2-5 parts of compatilizer, 1-4 parts of flexibilizer, 0.5-0.8 part of antioxidant, 0.3-0.8 part of ultraviolet resistant agent and 0.3-0.6 part of lubricant;
The melt index of the bisphenol A type polycarbonate is 10-20g/10min; the compatilizer is an acrylic ester high polymer copolymer with a core-shell structure; the toughening agent is an ethylene-acrylic ester-glycidyl acrylate terpolymer; the antioxidant is a compound of hindered phenol antioxidants and phosphite antioxidants; the anti-ultraviolet agent is obtained by compounding an ultraviolet absorber UV-9 and an ultraviolet absorber BP-2.
2. The high temperature and high humidity resistant polycarbonate composite material according to claim 1, wherein: the glass fiber treated by the silane is chopped strand treated by the silane, the diameter is 10-13 mu m, the length is 1.0-4.5mm, and the chopping rate is more than 98%.
3. The high temperature and high humidity resistant polycarbonate composite material according to claim 1, wherein: the lubricant is an alkyd high molecular compound.
4. A method of preparing a high temperature and high humidity resistant polycarbonate composite material according to any one of claims 1 to 3, comprising the steps of:
(1) Adding bisphenol A type polycarbonate, a compatilizer and a toughening agent into a mixer, and adding diffusion oil to mix fully to obtain a first premix;
(2) Adding the lubricant, the antioxidant and the anti-ultraviolet agent into the first premix, and continuously stirring and dispersing uniformly to obtain a second premix;
(3) Adding the glass fiber and sulfomethylated lignin subjected to silane treatment into a second premix, and continuously and uniformly stirring to obtain a mixture;
(4) And adding the mixture into a double-screw extruder for extrusion, and obtaining the high-temperature and high-humidity resistant polycarbonate composite material through spinning, water cooling, granulating and homogenizing.
5. The method for preparing the high-temperature and high-humidity resistant polycarbonate composite material according to claim 4, which is characterized in that: in the step (4), the temperature of the particle molding machine barrel is divided into ten temperature areas, the temperature is controlled between 220 ℃ and 270 ℃, the die head temperature is 235 ℃ to 250 ℃, the extrusion pressure is 6.0 Mpa to 10.0Mpa, and the vacuum pressure is 0.7 Mpa to 1.0Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310508576.8A CN116376260B (en) | 2023-05-08 | High-temperature-resistant high-humidity polycarbonate composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310508576.8A CN116376260B (en) | 2023-05-08 | High-temperature-resistant high-humidity polycarbonate composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116376260A CN116376260A (en) | 2023-07-04 |
| CN116376260B true CN116376260B (en) | 2024-07-05 |
Family
ID=
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021534A (en) * | 2018-07-19 | 2018-12-18 | 中广核俊尔新材料有限公司 | A kind of high-temp resisting high-humidity resisting polycarbonate compositions and preparation method thereof |
| CN112662155A (en) * | 2020-12-11 | 2021-04-16 | 龚宝英 | Corrosion-resistant high-rigidity polycarbonate modified plastic and preparation method thereof |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021534A (en) * | 2018-07-19 | 2018-12-18 | 中广核俊尔新材料有限公司 | A kind of high-temp resisting high-humidity resisting polycarbonate compositions and preparation method thereof |
| CN112662155A (en) * | 2020-12-11 | 2021-04-16 | 龚宝英 | Corrosion-resistant high-rigidity polycarbonate modified plastic and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108047675A (en) | A kind of high light transmission high-modulus photodiffusion polycarbonate composite material and preparation method thereof | |
| CN110358267B (en) | Anti-aging polyester composite material and preparation method thereof | |
| CN113462141A (en) | High-toughness low-floating-fiber-reinforced PC/PBT alloy material and preparation method thereof | |
| CN112266606A (en) | High-wear-resistance and high-weather-resistance polyamide composition and preparation method and application thereof | |
| CN111675885A (en) | PET (polyethylene terephthalate) light aging resistant and weather resistant master batch and preparation method thereof | |
| CN113444269A (en) | Low-warpage good-appearance glass fiber reinforced polypropylene composite material and preparation method thereof | |
| CN113527858A (en) | High-strength high-toughness antibacterial mildew-proof flame-retardant PC/ABS alloy material and preparation method thereof | |
| CN112300494A (en) | Alcoholysis-resistant chopped glass fiber reinforced polypropylene polymer and preparation method thereof | |
| CN116376260B (en) | High-temperature-resistant high-humidity polycarbonate composite material and preparation method thereof | |
| CN116376260A (en) | High-temperature-resistant high-humidity polycarbonate composite material and preparation method thereof | |
| CN113429684A (en) | Low-warpage reinforced polypropylene composition and preparation method and application thereof | |
| CN112375297A (en) | Glass fiber reinforced PP/PA66 composite material for water chamber of new energy automobile and preparation method thereof | |
| CN111253728A (en) | Polycarbonate composition and preparation method thereof | |
| CN114702809B (en) | Polycarbonate composition and preparation method and application thereof | |
| CN109486156B (en) | Flame-retardant extrusion-grade PC/ABS composite material | |
| CN114921078B (en) | Transparent PC/PBT alloy and preparation method and application thereof | |
| CN111100432B (en) | PBT/PTT composition and preparation method thereof | |
| CN114921077A (en) | Transparent PC/PBT composite material and preparation method and application thereof | |
| CN113025013A (en) | Method for preparing rigid strength pipe by using PE-containing recycled hybrid PET | |
| CN113072789A (en) | PMMA/MBS/AS polymer composite material AMS and preparation method thereof | |
| CN111040407A (en) | High-flow high-rigidity aging-resistant glass fiber reinforced PC material and preparation method thereof | |
| CN107540935A (en) | A kind of polypropylene reclaimed material composition and preparation method thereof | |
| CN106700228A (en) | Modified polypropylene recycled material and preparation method thereof | |
| CN111704792A (en) | High-light-transmittance glass fiber reinforced PC composite material and preparation method thereof | |
| CN106700231A (en) | Alkali-free glass fiber modified polypropylene recycling material and preparation method of alkali-free glass fiber modified polypropylene recycling material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |