CN106633766A - 3D printing PC-ABS material and preparation method thereof - Google Patents
3D printing PC-ABS material and preparation method thereof Download PDFInfo
- Publication number
- CN106633766A CN106633766A CN201611060213.9A CN201611060213A CN106633766A CN 106633766 A CN106633766 A CN 106633766A CN 201611060213 A CN201611060213 A CN 201611060213A CN 106633766 A CN106633766 A CN 106633766A
- Authority
- CN
- China
- Prior art keywords
- consumption
- weight portions
- preparation
- abs
- printing
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a 3D printing PC-ABS material and a preparation method thereof. The preparation method comprises the following steps: (1) soaking PC in an acid solution, filtering to obtain a filter cake, and then fusing furfuryl alcohol, sodium laurylsulfate, polyether-ether-ketone, methylcellulose, calcium carbonate, coal ash, propolis, zirconia, aminopropyltriethoxysilane, chitin and the filter cake to obtain a first fusant; (2) fusing ABS, pentaerythritol, olive oil, ferrocene, borax, carbon nano-tube and polyvinyl alcohol to obtain a second fusant; (3) mixing the first fusant and the second fusant to obtain a mixture, and forming and granulating the mixture to obtain PC-ABS particles; and (4) grinding the PC-ABS particles to obtain the 3D printing PC-ABS material. The 3D printing PC-ABS material has excellent strength, flexibility and heat resistance. The preparation method also has the characteristics that raw materials are easy to obtain, and procedures are simple.
Description
Technical field
The present invention relates to 3D printing material, in particular it relates to 3D printing PC-ABS materials and preparation method thereof.
Background technology
3D printing material is the important substance basis of 3D printing technique development, and to a certain extent, the development of material is to determine
Can 3D printing be determined the deciding factor being more widely used.At present, 3D printing material mainly include engineering plastics,
Photosensitive resin, rubber type of material, metal material and ceramic material.
Engineering plastics refer to be used as the industrial plasticses of industrial part or sheathing material, and its requirement is with excellent
Intensity, resistance to impact, heat resistance, hardness and ageing resistace, common are ABS plastic, PC plastics and nylon etc..Though
So, these materials itself are respectively provided with excellent performance, but there is also certain defect, it is difficult to be competent at wanting for engineering plastics completely
Ask；Compatibility simultaneously between these homogenous materials is also poor.
The content of the invention
It is an object of the invention to provide a kind of 3D printing PC-ABS materials and preparation method thereof, 3D printing PC-ABS materials
With excellent intensity, toughness and heat resistance, while there is the preparation method raw material to be easy to get, the characteristics of operation is simple.
To achieve these goals, the invention provides a kind of preparation method of 3D printing PC-ABS materials, including：
1) PC (Merlon) is placed in acid solution and soaks, filters to take filter cake, then by furfuryl alcohol, sldium lauryl sulfate, poly-
Ether ether ketone, methylcellulose, calcium carbonate, flyash, propolis, zirconium oxide, aminopropyl triethoxysilane, chitin and filter cake enter
Row melting is with prepared first fused mass；
2) ABS (acrylonitrile-butadiene-styrene copolymer), pentaerythrite, olive oil, ferrocene, borax, carbon are received
Mitron is melted that the second fused mass is obtained with polyvinyl alcohol；
3) the first fused mass and the second fused mass are blended, molding, granulating to be to be obtained PC-ABS particles；
4) PC-ABS particles are ground that 3D printing PC-ABS materials are obtained.
Present invention also offers a kind of 3D printing PC-ABS materials, 3D printing PC-ABS materials are by above-mentioned preparation side
Method is prepared.
In technical scheme is stated, the present invention causes obtained 3D printing by the synergy of each raw material and each step
PC-ABS materials have excellent intensity, toughness and heat resistance, while there is the preparation method raw material to be easy to get, operation is simply special
Point.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
The specific embodiment of the present invention is described in detail below.It should be appreciated that described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of 3D printing PC-ABS materials, including：
1) PC (Merlon) is placed in acid solution and soaks, filters to take filter cake, then by furfuryl alcohol, sldium lauryl sulfate, poly-
Ether ether ketone, methylcellulose, calcium carbonate, flyash, propolis, zirconium oxide, aminopropyl triethoxysilane, chitin and filter cake enter
Row melting is with prepared first fused mass；
2) ABS (acrylonitrile-butadiene-styrene copolymer), pentaerythrite, olive oil, ferrocene, borax, carbon are received
Mitron is melted that the second fused mass is obtained with polyvinyl alcohol；
3) the first fused mass and the second fused mass are blended, molding, granulating to be to be obtained PC-ABS particles；
4) PC-ABS particles are ground that 3D printing PC-ABS materials are obtained.
In the step 1 of the present invention) in, the consumption of each material can be selected in wide scope, but in order that obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 1) in, immersion at least meets
Following condition：Soaking temperature is 50-60 DEG C, and soak time is 4-6h.
In the step 1 of the present invention) in, the actual conditions of acid solution can be selected in wide scope, but in order that be obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 1) in, acid solution is at least full
Be enough to lower condition：PH is 4-6, one or more in aqueous hydrochloric acid solution, phosphate aqueous solution and aqueous sulfuric acid.
In the step 1 of the present invention) in, the actual conditions of melting can be selected in wide scope, but in order that be obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 1) in, melt it is at least full
Be enough to lower condition：Melt temperature is 290-305 DEG C, and the melting time is 1-3h.
In the step 1 of the present invention) in, the consumption of each material can be selected in wide scope, but in order that obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 1) in, relative to 100 weight
Part filter cake, the consumption of furfuryl alcohol is 34-42 weight portions, and the consumption of sldium lauryl sulfate is 14-31 weight portions, the use of polyether-ether-ketone
Measure as 78-88 weight portions, the consumption of methylcellulose is 9-16 weight portions, the consumption of calcium carbonate is 23-34 weight portions, flyash
Consumption be 41-55 weight portions, the consumption of propolis is 18-23 weight portions, and zirconic consumption is 9-17 weight portions, aminopropyl three
The consumption of Ethoxysilane is 11-18 weight portions, and the consumption of chitin is 25-35 weight portions.
In the step 2 of the present invention) in, the actual conditions of melting can be selected in wide scope, but in order that be obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 2) in, melt it is at least full
Be enough to lower condition：Melt temperature is 185-195 DEG C, and the melting time is 2-4h.
In the step 2 of the present invention) in, the consumption of each material can be selected in wide scope, but in order that obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 2) in, relative to 100 weight
The ABS of part, the consumption of pentaerythrite is 38-45 weight portions, and the consumption of olive oil is 4-10 weight portions, and the consumption of ferrocene is 3-
7 weight portions, the consumption of borax is 15-26 weight portions, and the consumption of CNT is 1-3 weight portions, and the consumption of polyvinyl alcohol is 64-
72 weight portions.
In the step 3 of the present invention) in, the consumption of each material can be selected in wide scope, but in order that obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 3) in, first melting
The weight ratio of thing and the second fused mass is 1：0.4-0.6.
In the step 3 of the present invention) in, the actual conditions of blending can be selected in wide scope, but in order that be obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 3) in, be blended it is at least full
Be enough to lower condition：Blending temperature is 225-250 DEG C, and the blending time is 3-5h.
In the step 4 of the present invention) in, the actual conditions of grinding can be selected in wide scope, but in order that be obtained
3D printing PC-ABS materials have more excellent intensity, toughness and heat resistance, it is preferable that in step 4) in, grinding adopt ball
The mode of mill is carried out, and ball milling at least meets following condition：Big ball is 2 with the mass ratio of bead：2-2.6, abrading-ball and material
Mass ratio is 10：1.4-1.8, rotating speed is 600-1200rpm, and Ball-milling Time is 25-35min.
Present invention also offers a kind of 3D printing PC-ABS materials, 3D printing PC-ABS materials are by above-mentioned preparation side
Method is prepared.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) PC is placed in into 55 DEG C, 5h is soaked in the aqueous hydrochloric acid solution that pH is 5, filter cake is filtered to take, then by filter cake, furfuryl alcohol,
Sldium lauryl sulfate, polyether-ether-ketone, methylcellulose, calcium carbonate, flyash, propolis, zirconium oxide, aminopropyl-triethoxy silicon
Alkane, chitin are according to 100：38：21：84：14：29：48：20：14：15：30 weight ratio melts 2h to be obtained the at 295 DEG C
One fused mass；
2) by ABS, pentaerythrite, olive oil, ferrocene, borax, CNT and polyvinyl alcohol according to 100：42：8：5：
22：2：70 weight ratio melts 3h the second fused mass is obtained at 190 DEG C；
3) by the first fused mass and the second fused mass according to 1：0.5 weight ratio 4h, molding, granulating are blended at 240 DEG C with
Prepared PC-ABS particles；
4) (big ball is 2 with the mass ratio of bead PC-ABS particles to be carried out into ball milling：2.3, abrading-ball is with the mass ratio of material
10：1.6, rotating speed is 900rpm, and Ball-milling Time is 30min) with prepared 3D printing PC-ABS materials As 1.
Embodiment 2
1) PC is placed in into 50 DEG C, 4h is soaked in the phosphate aqueous solution that pH is 4, filter cake is filtered to take, then by filter cake, furfuryl alcohol,
Sldium lauryl sulfate, polyether-ether-ketone, methylcellulose, calcium carbonate, flyash, propolis, zirconium oxide, aminopropyl-triethoxy silicon
Alkane, chitin are according to 100：34：14：78：9：23：41：18：9：11：25 weight ratio melts 1h to be obtained first at 290 DEG C
Fused mass；
2) by ABS, pentaerythrite, olive oil, ferrocene, borax, CNT and polyvinyl alcohol according to 100：38：4：3：
15：1：64 weight ratio melts 2h the second fused mass is obtained at 185 DEG C；
3) by the first fused mass and the second fused mass according to 1：0.4 weight ratio 3h, molding, granulating are blended at 225 DEG C with
Prepared PC-ABS particles；
4) (big ball is 2 with the mass ratio of bead PC-ABS particles to be carried out into ball milling：2, abrading-ball is with the mass ratio of material
10：1.4, rotating speed is 600rpm, and Ball-milling Time is 25min) with prepared 3D printing PC-ABS materials As 2.
Embodiment 3
1) PC is placed in into 60 DEG C, 6h is soaked in the aqueous sulfuric acid that pH is 6, filter cake is filtered to take, then by filter cake, furfuryl alcohol,
Sldium lauryl sulfate, polyether-ether-ketone, methylcellulose, calcium carbonate, flyash, propolis, zirconium oxide, aminopropyl-triethoxy silicon
Alkane, chitin are according to 100：42：31：88：16：34：55：23：17：18：35 weight ratio melts 3h to be obtained the at 305 DEG C
One fused mass；
2) by ABS, pentaerythrite, olive oil, ferrocene, borax, CNT and polyvinyl alcohol according to 100：45：10：
7：26：3：72 weight ratio melts 4h the second fused mass is obtained at 195 DEG C；
3) by the first fused mass and the second fused mass according to 1：0.6 weight ratio 5h, molding, granulating are blended at 250 DEG C with
Prepared PC-ABS particles；
4) (big ball is 2 with the mass ratio of bead PC-ABS particles to be carried out into ball milling：2.6, abrading-ball is with the mass ratio of material
10：1.8, rotating speed is 1200rpm, and Ball-milling Time is 35min) with prepared 3D printing PC-ABS materials As 3.
Comparative example 1
Method according to embodiment 1 carries out that 3D printing material B1 is obtained, except that, step 1) in polyethers ether is not used
Ketone.
Comparative example 2
Method according to embodiment 1 carries out that 3D printing material B2 is obtained, except that, step 1) in fine coal is not used
Ash.
Comparative example 3
Method according to embodiment 1 carries out that 3D printing material B3 is obtained, except that, step 1) in aminopropyl is not used
Triethoxysilane.
Comparative example 4
Method according to embodiment 1 carries out that 3D printing material B4 is obtained, except that, step 1) in oxidation is not used
Zirconium.
Comparative example 5
Method according to embodiment 1 carries out that 3D printing material B5 is obtained, except that, step 2) in polyethylene is not used
Alcohol.
Comparative example 6
Method according to embodiment 1 carries out that 3D printing material B6 is obtained, except that, step 2) in carbon nanometer is not used
Pipe.
Comparative example 7
Method according to embodiment 1 carries out that 3D printing material B7 is obtained, except that, step 2) in be not used two luxuriant
Iron.
Detection example 1
Intensity, toughness and the heat resistance of above-mentioned 3D printing material are detected, concrete outcome is shown in Table 1.
Table 1
| Tensile strength (MPa) | Notch impact strength (KJ/cm2) | Heat resisting temperature (DEG C) | |
| A1 | 125 | 41.2 | 280 |
| A2 | 129 | 42.0 | 275 |
| A3 | 130 | 41.8 | 276 |
| B1 | 81 | 30.2 | 220 |
| B2 | 82 | 29.8 | 216 |
| B3 | 76 | 27.2 | 241 |
| B4 | 74 | 25.8 | 223 |
| B5 | 80 | 26.4 | 217 |
| B6 | 77 | 27.6 | 235 |
| B7 | 75 | 26.9 | 228 |
By above-described embodiment, comparative example and detection example, the 3D printing PC-ABS materials that the present invention is provided have excellent
Different intensity, toughness and heat resistance.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, the present invention range of the technology design in, various simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of embodiments of the present invention, as long as it is without prejudice to this
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of preparation method of 3D printing PC-ABS materials, it is characterised in that include：
1) PC (Merlon) is placed in acid solution and soaks, filters to take filter cake, then by furfuryl alcohol, sldium lauryl sulfate, polyethers ether
Ketone, methylcellulose, calcium carbonate, flyash, propolis, zirconium oxide, aminopropyl triethoxysilane, chitin enter with the filter cake
Row melting is with prepared first fused mass；
2) by ABS (acrylonitrile-butadiene-styrene copolymer), pentaerythrite, olive oil, ferrocene, borax, CNT
Melted that the second fused mass is obtained with polyvinyl alcohol；
3) first fused mass and the second fused mass are blended, molding, granulating to be to be obtained PC-ABS particles；
4) the PC-ABS particles are ground that the 3D printing PC-ABS materials are obtained.
2. preparation method according to claim 1, wherein, in step 1) in, the immersion at least meets following condition：Leaching
Bubble temperature is 50-60 DEG C, and soak time is 4-6h.
3. preparation method according to claim 1, wherein, in step 1) in, the acid solution at least meets following condition：pH
For 4-6, one or more in aqueous hydrochloric acid solution, phosphate aqueous solution and aqueous sulfuric acid.
4. preparation method according to claim 1, wherein, in step 1) in, the melting at least meets following condition：It is molten
Melt temperature for 290-305 DEG C, the melting time is 1-3h.
5. preparation method according to claim 1, wherein, in step 1) in, relative to the filter cake of 100 weight portions,
The consumption of the furfuryl alcohol is 34-42 weight portions, and the consumption of the sldium lauryl sulfate is 14-31 weight portions, the polyether-ether-ketone
Consumption be 78-88 weight portions, the consumption of the methylcellulose is 9-16 weight portions, and the consumption of the calcium carbonate is 23-34
Weight portion, the consumption of the flyash is 41-55 weight portions, and the consumption of the propolis is 18-23 weight portions, described zirconic
Consumption is 9-17 weight portions, and the consumption of the aminopropyl triethoxysilane is 11-18 weight portions, and the consumption of the chitin is
25-35 weight portions.
6. the preparation method according to any one choosing in claim 1-5, wherein, in step 2) in, the melting is at least full
Be enough to lower condition：Melt temperature is 185-195 DEG C, and the melting time is 2-4h.
7. preparation method according to claim 6, wherein, in step 2) in, relative to the ABS of 100 weight portions, institute
The consumption for stating pentaerythrite is 38-45 weight portions, and the consumption of the olive oil is 4-10 weight portions, and the consumption of the ferrocene is
3-7 weight portions, the consumption of the borax is 15-26 weight portions, and the consumption of the CNT is 1-3 weight portions, the poly- second
The consumption of enol is 64-72 weight portions.
8. the preparation method according to any one in claim 1-5,7, wherein, in step 3) in, first melting
The weight ratio of thing and the second fused mass is 1：0.4-0.6；
Preferably, the blending at least meets following condition：Blending temperature is 225-250 DEG C, and the blending time is 3-5h.
9. preparation method according to claim 8, wherein, in step 4) in, the grinding is carried out by the way of ball milling,
And the ball milling at least meets following condition：Big ball is 2 with the mass ratio of bead：2-2.6, abrading-ball is with the mass ratio of material
10：1.4-1.8, rotating speed is 600-1200rpm, and Ball-milling Time is 25-35min.
10. a kind of 3D printing PC-ABS materials, it is characterised in that the 3D printing PC-ABS materials are by claim 1-9
Preparation method described in any one is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060213.9A CN106633766A (en) | 2016-11-28 | 2016-11-28 | 3D printing PC-ABS material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611060213.9A CN106633766A (en) | 2016-11-28 | 2016-11-28 | 3D printing PC-ABS material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106633766A true CN106633766A (en) | 2017-05-10 |
Family
ID=58812206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611060213.9A Pending CN106633766A (en) | 2016-11-28 | 2016-11-28 | 3D printing PC-ABS material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106633766A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597425A (en) * | 2009-07-07 | 2009-12-09 | 中北大学 | Rapid laser sintering molding material based on polycarbonate powder |
| CN104830040A (en) * | 2015-04-28 | 2015-08-12 | 上海锦湖日丽塑料有限公司 | Polycarbonate composition for 3D printing technology and preparation method thereof |
| CN105038089A (en) * | 2015-07-14 | 2015-11-11 | 暨南大学 | Conductive ABS/PC composite material for 3D printing and preparation method for conductive ABS/PC composite material for 3D printing and application of conductive ABS/PC composite material for 3D printing |
| CN105504759A (en) * | 2016-02-03 | 2016-04-20 | 黑龙江鑫达企业集团有限公司 | ABS composite material used for 3D printing and preparation method of ABS composite material |
| CN105906940A (en) * | 2016-05-27 | 2016-08-31 | 中山大学惠州研究院 | Marble or wood 3D printing plastic and preparation method thereof |
| CN105924882A (en) * | 2016-05-20 | 2016-09-07 | 黑龙江鑫达企业集团有限公司 | Support material capable of being used for 3D printing and preparation method thereof |
-
2016
- 2016-11-28 CN CN201611060213.9A patent/CN106633766A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101597425A (en) * | 2009-07-07 | 2009-12-09 | 中北大学 | Rapid laser sintering molding material based on polycarbonate powder |
| CN104830040A (en) * | 2015-04-28 | 2015-08-12 | 上海锦湖日丽塑料有限公司 | Polycarbonate composition for 3D printing technology and preparation method thereof |
| CN105038089A (en) * | 2015-07-14 | 2015-11-11 | 暨南大学 | Conductive ABS/PC composite material for 3D printing and preparation method for conductive ABS/PC composite material for 3D printing and application of conductive ABS/PC composite material for 3D printing |
| CN105504759A (en) * | 2016-02-03 | 2016-04-20 | 黑龙江鑫达企业集团有限公司 | ABS composite material used for 3D printing and preparation method of ABS composite material |
| CN105924882A (en) * | 2016-05-20 | 2016-09-07 | 黑龙江鑫达企业集团有限公司 | Support material capable of being used for 3D printing and preparation method thereof |
| CN105906940A (en) * | 2016-05-27 | 2016-08-31 | 中山大学惠州研究院 | Marble or wood 3D printing plastic and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105541200B (en) | Sponge city high-strength and high-ductility regenerated aggregate concrete and preparation method thereof | |
| CN105541212B (en) | A kind of composite material toughening haydite concrete and preparation method thereof | |
| JP5220290B2 (en) | Compatibilizer for polymer alloy, polymer alloy and masterbatch for preparing polymer alloy | |
| CN100465232C (en) | Nylon 66 nano composite material and preparation method thereof | |
| CN103571178B (en) | A kind of super tough polyamide alloy and preparation method thereof and application | |
| CN105524398A (en) | ABS rapid prototyping material used for 3D printing, and preparation method thereof | |
| CN108948500B (en) | Preparation method of polyethylene mixture containing polyurethane modified powder rubber for 3D printing | |
| CN106133103A (en) | Sealing compositions and production method thereof | |
| CN106674952A (en) | 3D printing PC-AES material and preparation method thereof | |
| CN106633766A (en) | 3D printing PC-ABS material and preparation method thereof | |
| CN105669054B (en) | Blast-furnace cinder specific complex liquid grinding aid and preparation method thereof | |
| CN105400120B (en) | A kind of composite for concrete toughness reinforcing | |
| CN106674953A (en) | 3D printing PC-ABA material and preparation method thereof | |
| CN106674855A (en) | 3D printing PC-MBS material and preparation method thereof | |
| CN106633767A (en) | PC-ASA (polycarbonate-acrylonitrile styrene acrylate) material for 3D printing and preparation method of PC-ASA material | |
| CN102464845A (en) | Nano-silica-filled modified PTFE (Polytetrafluorethylene) resin | |
| CN103240546A (en) | J422 welding electrode | |
| CN106674951A (en) | 3D (Three-dimensional) printing PC (Polycarbonate)-AMMA (Acrylonitrile-Methyl Methylacrylate) material and preparation method thereof | |
| CN108997001A (en) | A kind of preparation method of air brick micropore ceramics stick | |
| CN113683898A (en) | Asphalt modifier, modified asphalt and preparation method | |
| CN105601249A (en) | Sulfur-containing polypropylene composite fiber enhanced sulfur concrete and preparation method thereof | |
| CN107868343A (en) | It is a kind of it is low turn white, low temperature toughness reinforcing, modified clear acrylic | |
| CN104163648A (en) | Method for sintering ceramsite by using building waste materials and sludge | |
| CN105907182A (en) | Crayon and preparation method thereof | |
| CN108084609A (en) | A kind of highly resistance, which is leapt high, flows pvc material and preparation method thereof |
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 |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |