CN104086990A - Resin for selective laser sintering manufacturing technology and preparation method thereof - Google Patents

Resin for selective laser sintering manufacturing technology and preparation method thereof Download PDF

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Publication number
CN104086990A
CN104086990A CN201410313932.1A CN201410313932A CN104086990A CN 104086990 A CN104086990 A CN 104086990A CN 201410313932 A CN201410313932 A CN 201410313932A CN 104086990 A CN104086990 A CN 104086990A
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resin
technology
parts
selective laser
laser sintering
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杨桂生
李枭
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Hefei Genius New Materials Co Ltd
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Hefei Genius New Materials Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04Ingredients characterised by their shape and organic or inorganic ingredients
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/09Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098Metal salts of carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/16Nitrogen-containing compounds
    • C08K5/20Carboxylic acid amides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/51Phosphorus bound to oxygen
    • C08K5/52Phosphorus bound to oxygen only
    • C08K5/524Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/14Glass
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/002Physical properties
    • C08K2201/004Additives being defined by their length

Abstract

The invention provides a resin for selective laser sintering manufacturing technology and a preparation method thereof. The resin is prepared from the following raw materials in parts by mass: 100 parts of resin matrix, 5-50 parts of ultrashort glass fiber, 1-5 parts of coupling agent, 0.5-5 parts of antioxidant, 0.5-10 parts of heat stabilizer and 0.5-10 parts of lubricant. The ultrashort glass fiber-modified resin material for selective laser sintering manufacturing technology has the characteristics of high mechanical strength, favorable apparent mass, low smell and the like, does not need any auxiliary technique, and can greatly shorten the production period. Besides, the material is simple in preparation technique, and can be directly used and popularized in the field of selective laser sintering manufacturing technology for preparing components with complex structure.

Description

A kind of resin for selective laser sintering manufacturing technology and preparation method thereof
Technical field
The present invention relates to a kind of resin for selective laser sintering manufacturing technology and preparation method thereof.
Background technology
Selective laser sintering manufacturing technology adopts paving powder rod, powdered material is laid in to the upper surface of molded part, Controlling System control laser beam scans on powder according to the cross section profile of this layer, makes the temperature of powder rise to fusing point, carry out sintering, and bond with in type part realization below.After a layer cross section sintering completes, the decline thickness of a layer of worktable, stone roller layer overlay powder uniformly densely in the above again, carries out the sintering of a new layer cross section, until complete whole model.This technique has that precision is high, material use efficiency is high and the feature such as simple to operate.
The conventional molding resin material speed adopting of selective laser sintering manufacturing technology is slow, product surface is coarse, and the auxiliary process of general material require more complicated, is difficult to the production cycle of improving product in ensureing goods precision.Resin for selective laser sintering manufacturing technology prepared by the present invention, the feature such as have that physical strength is high, apparent mass good and smell is low, simultaneously without auxiliary process, can significantly reduce the production cycle.In addition material preparation process is simple, can directly apply and be extended to selective laser sintering manufacturing technology field, and preparation has the parts of complex construction.
Summary of the invention
The object of the invention is to improve the deficiency of selective laser sintering manufacturing technology common used material, provide a kind of and have that physical strength is high, apparent mass good and the ultrashort glass modified resin of the feature such as smell is low.Preparation technology of the present invention is simple, can directly apply and be extended to selective laser sintering manufacturing technology field, and preparation has the parts of complex construction.
For achieving the above object, the present invention is by the following technical solutions:
For a resin for selective laser sintering manufacturing technology, made by the component of following weight part:
100 parts of resin matrixes,
5~50 parts of ultrashort glasses,
1~5 part of coupling agent,
0.5~5 part, oxidation inhibitor,
0.5~10 part of thermo-stabilizer,
0.5~10 part of lubricant.
Described resin matrix is polyamide resin (PA) or polycarbonate resin (PC).
Described ultrashort Length of Glass Fiber is 10~1000 μ m.
Described coupling agent is γ-aminopropyl triethoxysilane or γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane.
Described oxidation inhibitor is N; N'-pair-(3-(3; 5-di-tert-butyl-hydroxy phenyl) propionyl) at least one in hexanediamine, β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid and three [2.4-di-tert-butyl-phenyl] phosphorous acid ester.
Described thermo-stabilizer is calcium stearate or barium stearate.
Described lubricant is ethylidine bis-stearamides, ethylene-acrylic acid copolymer or pentaerythritol stearate.
The preparation method of the described resin for selective laser sintering manufacturing technology comprises the following steps:
(1) be equipped with raw material in following ratio: 0.5~10 part of 100 parts of resin matrixes, 5~50 parts of ultrashort glasses, 1~5 part of coupling agent, 0.5~5 part, oxidation inhibitor, 0.5~10 part of thermo-stabilizer and lubricant, be placed in high-speed mixer and disperse 10~30 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
The powdered material that step (2) can be made, through selective laser sintering manufacturing technology, is required product by materials processing.
Resin for selective laser sintering manufacturing technology prepared by the present invention, the feature such as have that physical strength is high, apparent mass good and smell is low, simultaneously without auxiliary process, can significantly reduce the production cycle.In addition material preparation process is simple, can directly apply and be extended to selective laser sintering manufacturing technology field, and preparation has the parts of complex construction.
specific implementation method
Below in conjunction with specific examples, content of the present invention is further detailed; but described embodiment is not the simple restriction to connotation of the present invention, any simple change of having done based on connotation of the present invention or be equal within replacement all should belong to the present invention's scope required for protection.After the sample of preparation regulates under 23 DEG C, 50% humidity environment, adopt respectively ASTM D638 to detect the tensile strength of product, and record shaping speed and observe surface quality.
Specific embodiments of the invention are as follows:
example 1
(1) be equipped with raw material in following ratio:
100 parts of Nylon 6s,
5 parts of ultrashort glasses,
1 part of coupling agent γ-aminopropyl triethoxysilane,
0.2 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
Oxidation inhibitor N, 0.3 part of N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine,
0.5 part of thermo-stabilizer calcium stearate,
0.5 part of lubricant ethylidine bis-stearamides,
Being placed in high-speed mixer disperses 10 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 2
(1) be equipped with raw material in following ratio:
100 parts of Nylon 6s,
20 parts of ultrashort glasses,
2 parts of coupling agent γ-aminopropyl triethoxysilanes,
0.5 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
Oxidation inhibitor N, 1 part of N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine,
3 parts of thermo-stabilizer calcium stearates,
3 parts of lubricant ethylidine bis-stearamides,
Being placed in high-speed mixer disperses 15 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 3
(1) be equipped with raw material in following ratio:
100 parts of Nylon 6s,
30 parts of ultrashort glasses,
3 parts of coupling agent γ-aminopropyl triethoxysilanes,
1 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
Oxidation inhibitor N, 2 parts of N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamines,
5 parts of thermo-stabilizer calcium stearates,
5 parts of lubricant ethylene-acrylic acid copolymers,
Being placed in high-speed mixer disperses 20 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 4
(1) be equipped with raw material in following ratio:
100 parts of Nylon 6s,
40 parts of ultrashort glasses,
4 parts of coupling agent γ-aminopropyl triethoxysilanes,
1.5 parts of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid esters,
Oxidation inhibitor N, 2.5 parts of N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamines,
8 parts of thermo-stabilizer calcium stearates,
8 parts of lubricant ethylene-acrylic acid copolymers,
Being placed in high-speed mixer disperses 25 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 5
(1) be equipped with raw material in following ratio:
100 parts of Nylon 6s,
50 parts of ultrashort glasses,
5 parts of coupling agent γ-aminopropyl triethoxysilanes,
2 parts of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid esters,
Oxidation inhibitor N, 3 parts of N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamines,
10 parts of thermo-stabilizer calcium stearates,
10 parts of lubricant ethylene-acrylic acid copolymers,
Being placed in high-speed mixer disperses 30 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 6
(1) be equipped with raw material in following ratio:
100 parts of polycarbonate resins,
5 parts of ultrashort glasses,
Coupling agent γ-1 part of (2,3-epoxy the third oxygen) propyl trimethoxy silicane,
0.2 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
0.3 part of the positive octadecanol ester of oxidation inhibitor β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid,
0.5 part of thermo-stabilizer barium stearate,
0.5 part of lubricant ethylidine bis-stearamides,
Being placed in high-speed mixer disperses 10 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 7
(1) be equipped with raw material in following ratio:
100 parts of polycarbonate resins,
20 parts of ultrashort glasses,
Coupling agent γ-2 parts of (2,3-epoxy the third oxygen) propyl trimethoxy silicanes,
0.5 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
1 part of the positive octadecanol ester of oxidation inhibitor β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid,
3 parts of thermo-stabilizer barium stearates,
3 parts of lubricant ethylidine bis-stearamides,
Being placed in high-speed mixer disperses 15 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 8
(1) be equipped with raw material in following ratio:
100 parts of polycarbonate resins,
30 parts of ultrashort glasses,
Coupling agent γ-3 parts of (2,3-epoxy the third oxygen) propyl trimethoxy silicanes,
1 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
2 parts of the positive octadecanol esters of oxidation inhibitor β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid,
5 parts of thermo-stabilizer barium stearates,
5 parts of lubricant pentaerythritol stearates,
Being placed in high-speed mixer disperses 20 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 9
(1) be equipped with raw material in following ratio:
100 parts of polycarbonate resins,
40 parts of ultrashort glasses,
Coupling agent γ-4 parts of (2,3-epoxy the third oxygen) propyl trimethoxy silicanes,
1.5 parts of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid esters,
2.5 parts of the positive octadecanol esters of oxidation inhibitor β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid,
8 parts of thermo-stabilizer barium stearates,
8 parts of lubricant pentaerythritol stearates,
Being placed in high-speed mixer disperses 25 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
example 10
(1) be equipped with raw material in following ratio:
100 parts of polycarbonate resins,
50 parts of ultrashort glasses,
Coupling agent γ-5 parts of (2,3-epoxy the third oxygen) propyl trimethoxy silicanes,
2 parts of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid esters,
3 parts of the positive octadecanol esters of oxidation inhibitor β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid,
10 parts of thermo-stabilizer barium stearates,
10 parts of lubricant pentaerythritol stearates,
Being placed in high-speed mixer disperses 30 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
case of comparative examples 1
(1) be equipped with raw material in following ratio:
100 parts of Nylon 6s,
0.2 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
Oxidation inhibitor N, 0.3 part of N'-pair-(3-(3,5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine,
0.5 part of thermo-stabilizer calcium stearate,
0.5 part of lubricant ethylidine bis-stearamides,
Being placed in high-speed mixer disperses 10 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
 
case of comparative examples 2
(1) be equipped with raw material in following ratio:
100 parts of polycarbonate resins,
0.2 part of oxidation inhibitor three [2.4-di-tert-butyl-phenyl] phosphorous acid ester,
0.3 part of the positive octadecanol ester of oxidation inhibitor β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid,
0.5 part of thermo-stabilizer barium stearate,
0.5 part of lubricant ethylidine bis-stearamides,
Being placed in high-speed mixer disperses 10 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology;
(3), through selective laser sintering manufacturing technology, be required product by materials processing.
Gained part performance is in table one.
Table one:
Performance Tensile strength (MPa) Shaping speed (cm 3/h) Apparent mass (visual)
Example 1 38 45 Good
Example 2 42 56 Good
Example 3 49 61 Good
Example 4 55 69 Excellent
Example 5 60 75 Good
Example 6 35 34 Good
Example 7 43 41 Good
Example 8 49 48 Good
Example 9 52 55 Excellent
Example 10 55 58 Good
Case of comparative examples 1 35 40 Generally
Case of comparative examples 2 30 30 Generally
A kind of resin for selective laser sintering manufacturing technology prepared by the present invention, has that physical strength is high, apparent mass good and the advantage such as smell is low.Known by data in table one, the tensile strength that the present invention prepares ultrashort glass modified polyamide resin is 60MPa to the maximum, and compared with improving 71% before modification, shaping speed is 75cm the soonest 3/ h, compared with improving 88% before modification; The tensile strength that the present invention prepares ultrashort glass modified polycarbonate resin is 55MPa to the maximum,, compared with improving 83% before modification, shaping speed is 58cm the soonest 3/ h, compared with improving 93% before modification.In addition material preparation process is simple, can directly apply and be extended to selective laser sintering manufacturing technology field, and preparation has the parts of complex construction.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various amendments to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from improvement and the amendment that category of the present invention makes all should be within protection scope of the present invention.

Claims (8)

1. for a resin for selective laser sintering manufacturing technology, it is characterized in that, made by the component of following weight part:
100 parts of resin matrixes,
5~50 parts of ultrashort glasses,
1~5 part of coupling agent,
0.5~5 part, oxidation inhibitor,
0.5~10 part of thermo-stabilizer,
0.5~10 part of lubricant.
2. a kind of resin for selective laser sintering manufacturing technology according to claim 1, is characterized in that, described resin matrix is polyamide resin or polycarbonate resin.
3. a kind of resin for selective laser sintering manufacturing technology according to claim 1, is characterized in that, described ultrashort Length of Glass Fiber is 10~1000 μ m.
4. a kind of resin for selective laser sintering manufacturing technology according to claim 1, is characterized in that, described coupling agent is γ-aminopropyl triethoxysilane or γ-(2,3-epoxy the third oxygen) propyl trimethoxy silicane.
5. a kind of resin for selective laser sintering manufacturing technology according to claim 1; it is characterized in that; described oxidation inhibitor is N; N'-pair-(3-(3; 5-di-tert-butyl-hydroxy phenyl) propionyl) at least one in hexanediamine, β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid and three [2.4-di-tert-butyl-phenyl] phosphorous acid ester.
6. a kind of resin for selective laser sintering manufacturing technology according to claim 1, described thermo-stabilizer is calcium stearate or barium stearate.
7. a kind of resin for selective laser sintering manufacturing technology according to claim 1, is characterized in that, described lubricant is ethylidine bis-stearamides, ethylene-acrylic acid copolymer or pentaerythritol stearate.
8. the preparation method of a kind of resin for selective laser sintering manufacturing technology described in claim 1-7 any one, is characterized in that, comprises the following steps:
(1) be equipped with raw material in following ratio: 0.5~10 part of 100 parts of resin matrixes, 5~50 parts of ultrashort glasses, 1~5 part of coupling agent, 0.5~5 part, oxidation inhibitor, 0.5~10 part of thermo-stabilizer and lubricant, be placed in high-speed mixer and disperse 10~30 minutes;
(2) by the raw material after disperseing by forcing machine, through melting, plastify, extrude, draw after, make resin particle, after efflorescence, make the powdered material required for selective laser sintering manufacturing technology.
CN201410313932.1A 2014-07-03 2014-07-03 Resin for selective laser sintering manufacturing technology and preparation method thereof Pending CN104086990A (en)

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CN105670103A (en) * 2014-11-21 2016-06-15 合肥杰事杰新材料股份有限公司 Ultra-short glass fiber composite material used for making lamination body and preparation method thereof
CN106147181A (en) * 2015-04-01 2016-11-23 合肥杰事杰新材料股份有限公司 A kind of amorphous polymer composite for laser sintering and moulding and preparation method thereof
CN106147057A (en) * 2015-04-01 2016-11-23 合肥杰事杰新材料股份有限公司 A kind of potassium titanate crystal whisker Modified polystyrene spheres composite and preparation method thereof
CN107226964A (en) * 2016-03-23 2017-10-03 合肥杰事杰新材料股份有限公司 A kind of ultrashort glass modified phenylethylene microballoon composite and preparation method thereof
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CN111040443A (en) * 2019-12-27 2020-04-21 湖南华曙高科技有限责任公司 Polyamide powder material for selective laser sintering and preparation method thereof

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CN102311637A (en) * 2010-07-01 2012-01-11 湖南华曙高科技有限责任公司 Nylon composite material used for selective laser sintering and preparation method thereof
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Publication number Priority date Publication date Assignee Title
CN105670103A (en) * 2014-11-21 2016-06-15 合肥杰事杰新材料股份有限公司 Ultra-short glass fiber composite material used for making lamination body and preparation method thereof
CN104448805A (en) * 2014-12-18 2015-03-25 陈梓煜 High-strength nylon-based composite material for 3D printing and preparation method of high-strength nylon-based composite material for 3D printing
CN106147181A (en) * 2015-04-01 2016-11-23 合肥杰事杰新材料股份有限公司 A kind of amorphous polymer composite for laser sintering and moulding and preparation method thereof
CN106147057A (en) * 2015-04-01 2016-11-23 合肥杰事杰新材料股份有限公司 A kind of potassium titanate crystal whisker Modified polystyrene spheres composite and preparation method thereof
CN107226964A (en) * 2016-03-23 2017-10-03 合肥杰事杰新材料股份有限公司 A kind of ultrashort glass modified phenylethylene microballoon composite and preparation method thereof
CN107226985A (en) * 2016-03-23 2017-10-03 合肥杰事杰新材料股份有限公司 It is a kind of for esters of acrylic acid microballoon composite of rapid shaping and preparation method thereof
CN107226964B (en) * 2016-03-23 2021-01-29 合肥杰事杰新材料股份有限公司 Ultrashort glass fiber modified styrene microsphere composite material and preparation method thereof
CN107226985B (en) * 2016-03-23 2021-04-06 合肥杰事杰新材料股份有限公司 Acrylate microsphere composite material for rapid molding and preparation method thereof
CN111040443A (en) * 2019-12-27 2020-04-21 湖南华曙高科技有限责任公司 Polyamide powder material for selective laser sintering and preparation method thereof

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Application publication date: 20141008