CN113290962A - Basalt fabric reinforced polyphenylene sulfide nano composite material and preparation method thereof - Google Patents
Basalt fabric reinforced polyphenylene sulfide nano composite material and preparation method thereof Download PDFInfo
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- CN113290962A CN113290962A CN202110429737.5A CN202110429737A CN113290962A CN 113290962 A CN113290962 A CN 113290962A CN 202110429737 A CN202110429737 A CN 202110429737A CN 113290962 A CN113290962 A CN 113290962A
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- polyphenylene sulfide
- basalt
- basalt fabric
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- reinforced polyphenylene
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- 239000004744 fabric Substances 0.000 title claims abstract description 59
- 239000004734 Polyphenylene sulfide Substances 0.000 title claims abstract description 48
- 229920000069 polyphenylene sulfide Polymers 0.000 title claims abstract description 48
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims description 18
- 238000002360 preparation method Methods 0.000 title claims description 13
- 229920002748 Basalt fiber Polymers 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 6
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000005543 nano-size silicon particle Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000008367 deionised water Substances 0.000 claims description 3
- 229910021641 deionized water Inorganic materials 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- -1 polysiloxane Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000010292 electrical insulation Methods 0.000 abstract description 2
- 238000009941 weaving Methods 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920006231 aramid fiber Polymers 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 229920006253 high performance fiber Polymers 0.000 description 2
- 239000002648 laminated material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920006258 high performance thermoplastic Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
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- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
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Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a basalt fabric reinforced polyphenylene sulfide nanocomposite, which sequentially comprises an upper cover plate, an intermediate layer and a lower die from top to bottom, wherein gaskets are connected to two side edges in the lower die, the intermediate layer comprises an upper demolding cloth, a prefabricated part and a lower demolding cloth from top to bottom, and the prefabricated part comprises a layer of polyphenylene sulfide powder and a layer of basalt fiber at intervals. The invention has the advantages that: the basalt continuous fiber and the polyphenylene sulfide resin have various excellent performances of good electrical insulation, corrosion resistance, high temperature resistance and the like. The specific surface area can be effectively increased by adding the nano-silica particles on the surface, and the basalt reinforced polyphenylene sulfide composite material with better mechanical property can be obtained because the interfacial bonding condition between basalt and polyphenylene sulfide can be effectively improved by chemical grafting.
Description
Technical Field
The invention relates to the technical field of fabric composite materials, in particular to a basalt fabric reinforced polyphenylene sulfide nano composite material and a preparation method thereof.
Background
The basalt fiber is a novel inorganic environment-friendly green high-performance fiber material, the production process of the basalt fiber does not generate volatile substances and wastes, the environment is not polluted, and the product can be directly degraded in the environment through a physical or chemical mode after being discarded without any harm, so that the basalt fiber is a genuine green environment-friendly material, and therefore, the basalt fiber-based high-added-value product is developed, the national development strategy is met, and higher economic value can be generated. Compared with other high-performance fibers such as glass fiber, carbon fiber, aramid fiber and the like, the basalt fiber has good mechanical property and a plurality of excellent functions, such as good high-temperature resistance, capability of continuously working at the temperature of-260-700 ℃, acid resistance, alkali resistance, strong ultraviolet resistance, low hygroscopicity and better environment resistance; good insulating property, good high-temperature filtering property, radiation resistance and the like. Therefore, basalt fiber is considered as a low-cost substitute of carbon fiber, and is the fourth largest high-tech fiber following carbon fiber, aramid fiber, and ultra-high molecular weight polyethylene fiber.
The existing basalt fabric is single in structure and poor in bearing capacity, the existing basalt fabric is low in elongation, the permeation of organic resin is affected, and incomplete fusion often occurs when the existing basalt fabric is made into a composite material, so that the high-strength basalt fabric needs to be produced.
Disclosure of Invention
The basalt fabric reinforced polyphenylene sulfide nano composite material is obtained by taking basalt fibers and polyphenylene sulfide powder as a prefabricated part, changing the longitudinal and transverse weaving density of the basalt fibers in the prefabricated part, and compounding the basalt fibers and the polyphenylene sulfide layer by layer in a staggered manner, and has good mechanical property and flexibility.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the basalt fabric reinforced polyphenylene sulfide nanocomposite comprises an upper cover plate, a middle layer and a lower die in sequence from top to bottom, wherein gaskets are connected to two side edges in the lower die, the middle layer comprises upper demolding cloth, a prefabricated part and lower demolding cloth from top to bottom, and the prefabricated part comprises one layer of polyphenylene sulfide powder and one layer of basalt fiber at intervals.
Preferably, the upper release cloth and the lower release cloth are both made of polyimide films.
Preferably, a groove is formed in the lower die, and the upper cover plate is matched with the groove.
Preferably, the upper release cloth, the prefabricated member and the lower release cloth are equal in width.
Preferably, the upper cover plate and the lower die are made of engineering plastics.
Preferably, the thickness of the upper cover plate is 5cm, the thickness of the lower die is 20cm, the depth of the groove is 15cm, and the height of the gasket is 5 cm.
The invention also comprises a preparation method of the basalt fabric reinforced polyphenylene sulfide nanocomposite, which comprises the following steps:
the method comprises the following steps: selecting a basalt fabric (plain weave), and removing oil stains and impregnating compound on the surface by using an acetone organic solvent or at a high temperature of 300 ℃;
step two: heating the basalt fabric to 120 ℃ by using an oven to dry the basalt fabric;
step three: configuring KH 560: ethanol: deionized water 2%: 72%: adding 26% of silane coupling agent, nano silicon dioxide, defoaming agent and dispersing agent to uniformly disperse the nano particles, heating at a constant temperature of 23 ℃ by using a water bath kettle, adjusting the pH value to 6 by using acetic acid, and continuing for 1 hour;
step four: heating and drying the basalt fabric by using a 100 ℃ oven;
step five: placing polyphenylene sulfide powder into a 230 ℃ oven, and carrying out thermal crosslinking to a certain extent to increase molecular weight;
step six: hot pressing for 15min by using a flat vulcanizing machine.
Preferably, the defoaming agent in the third step is polysiloxane, low-cost point naphtha or isobutanol.
Preferably, the dispersant in the third step is prepared by mixing polyvinyl alcohol and sodium dodecyl benzene sulfonate.
Preferably, the hot pressing temperature in the sixth step is 310 ℃ and the pressure is 5 MPa.
Preferably, the basalt fabric in the first step is made of twistless roving, and the twistless roving is woven by a weaving method with vertical and horizontal directions, wherein the longitudinal weaving density is 13-15 threads per centimeter, and the transverse weaving density is 13-15 threads per centimeter.
Preferably, the prefabricated part at least comprises three layers of polyphenylene sulfide powder and four layers of basalt fiber in a mode of arranging one layer of polyphenylene sulfide powder and one layer of basalt fiber at intervals.
Compared with the prior art, the invention has the advantages that: the basalt continuous fiber and the polyphenylene sulfide resin have various excellent performances of good electrical insulation, corrosion resistance, high temperature resistance and the like. The specific surface area can be effectively increased by adding the nano silicon dioxide particles on the surface, and simultaneously, the interface combination condition between basalt and polyphenylene sulfide can be effectively improved due to chemical grafting, so that a basalt reinforced polyphenylene sulfide composite material with better mechanical property can be obtained, the twistless roving has good wear resistance and good banding property, the twistless roving for weaving needs forced drying before weaving, the twistless roving has uniform tension, the drapability meets a certain standard, the degradability and the permeability are good, the basalt fabric prepared from the twistless roving is uniform, the selvedge is straight and flat, the cloth surface is flat and mat-shaped, no stain, fuzzing, crease, wrinkle and the like, the dry and wet mechanical strength of the laminated material prepared from the fabric meets the requirements, and the polyphenylene sulfide is a novel high-performance thermoplastic resin, and has the advantages of high mechanical strength, high temperature resistance and chemical resistance, Flame retardancy, good thermal stability, excellent electrical property and the like.
Drawings
FIG. 1 is a schematic structural diagram of a basalt fabric reinforced polyphenylene sulfide nanocomposite material of the present invention.
FIG. 2 is a process flow diagram of the basalt fabric reinforced polyphenylene sulfide nanocomposite material of the present invention.
FIG. 3 is a schematic structural diagram of a prefabricated layer of the basalt fabric-reinforced polyphenylene sulfide nanocomposite material of the present invention.
As shown in the figure: 1. an upper cover plate; 2. applying a demoulding cloth; 3. a prefabricated member; 4. lower demoulding cloth; 5. a gasket; 6. a lower die; 7. a basalt fiber layer; 8. polyphenylene sulfide powder layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
With reference to the attached drawings 1 to 3, the basalt fabric reinforced polyphenylene sulfide nanocomposite comprises an upper cover plate 1, a middle layer and a lower die 6 from top to bottom in sequence, wherein gaskets 5 are connected to two side edges in the lower die 6, the middle layer comprises an upper demolding cloth 2, a prefabricated part 3 and a lower demolding cloth 4 from top to bottom, and the prefabricated part 3 is formed by arranging a layer of polyphenylene sulfide powder and a layer of basalt fiber at intervals.
The upper demoulding cloth 2 and the lower demoulding cloth 4 are both made of polyimide films.
The upper surface of the lower die 6 is provided with a groove, and the upper cover plate 1 is matched with the groove.
The upper demoulding cloth 2, the prefabricated part 3 and the lower demoulding cloth 4 are equal in width.
The upper cover plate 1 and the lower die 6 are made of engineering plastics.
The thickness of the upper cover plate 1 is 5cm, the thickness of the lower die 6 is 20cm, the depth of the groove is 15cm, and the height of the gasket 5 is 5 cm.
Examples
The invention also comprises a preparation method of the basalt fabric reinforced polyphenylene sulfide nanocomposite, which comprises the following steps:
the method comprises the following steps: selecting a basalt fabric (plain weave), and removing oil stains and impregnating compound on the surface by using an acetone organic solvent or at a high temperature of 300 ℃;
step two: heating the basalt fabric to 120 ℃ by using an oven to dry the basalt fabric;
step three: configuring KH 560: ethanol: deionized water 2%: 72%: adding 26% of silane coupling agent, nano silicon dioxide, defoaming agent and dispersing agent to uniformly disperse the nano particles, heating at a constant temperature of 23 ℃ by using a water bath kettle, adjusting the pH value to 6 by using acetic acid, and continuing for 1 hour;
step four: heating and drying the basalt fabric by using a 100 ℃ oven;
step five: placing polyphenylene sulfide powder into a 230 ℃ oven, and carrying out thermal crosslinking to a certain extent to increase molecular weight;
step six: hot pressing for 15min by using a flat vulcanizing machine.
The defoaming agent in the third step is prepared by mixing polysiloxane, low-cost point naphtha or isobutanol.
The dispersant in the third step is prepared by mixing polyvinyl alcohol and sodium dodecyl benzene sulfonate.
And the hot pressing temperature in the sixth step is 310 ℃, and the pressure is 5 Mpa.
Selecting twistless roving for the basalt fabric in the first step, wherein the twistless roving is woven by a weaving method with vertical and horizontal directions, wherein the weaving density in the longitudinal direction is 13-15 yarns per centimeter, and the weaving density in the transverse direction is 13-15 yarns per centimeter.
The prefabricated part at least comprises three layers of polyphenylene sulfide powder and four layers of basalt fiber in a mode of arranging one layer of polyphenylene sulfide powder and one layer of basalt fiber at intervals.
The basalt fabric reinforced polyphenylene sulfide nano composite material can be obtained by taking basalt fibers and polyphenylene sulfide powder as prefabricated parts, changing the longitudinal and transverse weaving density of the basalt fibers in the prefabricated parts and compounding the basalt fibers and the polyphenylene sulfide layer by layer in a staggered manner, and has good mechanical property and flexibility.
The invention discloses a basalt fabric reinforced polyphenylene sulfide nano composite material with high strength, which is prepared by effectively increasing the specific surface area after adding nano silicon dioxide particles on the surface, effectively improving the interface bonding condition between basalt and polyphenylene sulfide due to chemical grafting, and obtaining the basalt reinforced polyphenylene sulfide composite material with better mechanical property by utilizing the characteristics of high mechanical strength, high temperature resistance, chemical resistance, flame retardancy, good thermal stability, excellent electrical property and the like of the polyphenylene sulfide, and combining the characteristics that twistless roving has good wear resistance and good banding property, and the dry and wet mechanical strength of a laminated material prepared by the fabric is in a good state .
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A basalt fabric reinforced polyphenylene sulfide nano composite material is characterized in that: be upper cover plate (1), intermediate level and bed die (6) from top to bottom in proper order, both sides limit department connects and is equipped with gasket (5) in bed die (6), the intermediate level is last drawing of patterns cloth (2), prefab (3), lower drawing of patterns cloth (4) from top to bottom, prefab (3) are the setting of one deck polyphenylene sulfide powder, one deck basalt fiber interval.
2. The basalt fabric-reinforced polyphenylene sulfide nanocomposite material of claim 1, wherein: the upper demoulding cloth (2) and the lower demoulding cloth (4) are both made of polyimide films.
3. The basalt fabric-reinforced polyphenylene sulfide nanocomposite material of claim 1, wherein: the upper surface of the lower die (6) is provided with a groove, and the upper cover plate (1) is matched with the groove.
4. The basalt fabric-reinforced polyphenylene sulfide nanocomposite material of claim 1, wherein: the upper demoulding cloth (2), the prefabricated part (3) and the lower demoulding cloth (4) are equal in width.
5. The preparation method of the basalt fabric-reinforced polyphenylene sulfide nanocomposite material according to claim 1, wherein the preparation method comprises the following steps: the method comprises the following steps:
the method comprises the following steps: selecting a basalt fabric (plain weave), and removing oil stains and impregnating compound on the surface by using an acetone organic solvent or at a high temperature of 300 ℃;
step two: heating the basalt fabric to 120 ℃ by using an oven to dry the basalt fabric;
step three: configuring KH 560: ethanol: deionized water 2%: 72%: adding 26% of silane coupling agent, nano silicon dioxide, defoaming agent and dispersing agent to uniformly disperse the nano particles, heating at a constant temperature of 23 ℃ by using a water bath kettle, adjusting the pH value to 6 by using acetic acid, and continuing for 1 hour;
step four: heating and drying the basalt fabric by using a 100 ℃ oven;
step five: placing polyphenylene sulfide powder into a 230 ℃ oven, and carrying out thermal crosslinking to a certain extent to increase molecular weight;
step six: hot pressing for 15min by using a flat vulcanizing machine.
6. The preparation method of the basalt fabric-reinforced polyphenylene sulfide nanocomposite material according to claim 5, wherein the preparation method comprises the following steps: the defoaming agent in the third step is prepared by mixing polysiloxane, low-cost point naphtha or isobutanol.
7. The preparation method of the basalt fabric-reinforced polyphenylene sulfide nanocomposite material according to claim 5, wherein the preparation method comprises the following steps: the dispersant in the third step is prepared by mixing polyvinyl alcohol and sodium dodecyl benzene sulfonate.
8. The preparation method of the basalt fabric-reinforced polyphenylene sulfide nanocomposite material according to claim 5, wherein the preparation method comprises the following steps: and the hot pressing temperature in the sixth step is 310 ℃, and the pressure is 5 Mpa.
Priority Applications (1)
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| CN105541208A (en) * | 2015-12-21 | 2016-05-04 | 中民筑友有限公司 | Basalt fiber reinforced cement based material and preparation method therefor |
| CN107313251A (en) * | 2016-11-29 | 2017-11-03 | 德阳力久云智知识产权运营有限公司 | A kind of polyphenyl thioether material enhancing basalt fibre sizing agent special and preparation method thereof |
| CN110757831A (en) * | 2018-09-27 | 2020-02-07 | 山东非金属材料研究所 | Resistance heating forming method of carbon fiber reinforced high-performance thermoplastic composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541208A (en) * | 2015-12-21 | 2016-05-04 | 中民筑友有限公司 | Basalt fiber reinforced cement based material and preparation method therefor |
| CN107313251A (en) * | 2016-11-29 | 2017-11-03 | 德阳力久云智知识产权运营有限公司 | A kind of polyphenyl thioether material enhancing basalt fibre sizing agent special and preparation method thereof |
| CN110757831A (en) * | 2018-09-27 | 2020-02-07 | 山东非金属材料研究所 | Resistance heating forming method of carbon fiber reinforced high-performance thermoplastic composite material |
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Application publication date: 20210824 |