CN105504580B - A kind of sound insulating material for 3D printing and preparation method thereof - Google Patents
A kind of sound insulating material for 3D printing and preparation method thereof Download PDFInfo
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- CN105504580B CN105504580B CN201510984556.3A CN201510984556A CN105504580B CN 105504580 B CN105504580 B CN 105504580B CN 201510984556 A CN201510984556 A CN 201510984556A CN 105504580 B CN105504580 B CN 105504580B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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Abstract
The invention discloses a kind of sound insulating material for 3D printing, is mainly made of the following material comprising porous spherical carbonic acid calcium and pine powder：Polyvinyl chloride, porous spherical carbonic acid calcium, pine powder, talcum powder, silane coupling agent, hard acid ester.The parts by weight of the polyvinyl chloride are 40 50；The parts by weight of porous spherical carbonic acid calcium are 35 45；The parts by weight of pine powder are 10 20；The parts by weight of talcum powder are 2.0 4.0；The parts by weight of silane coupling agent are 0.8 1.6；The parts by weight of hard acid ester are 0.2 0.4.The characteristics of using the sound insulation of porous spherical carbonic acid calcium, good flowing properties, excellent in mechanical performance, and the characteristics of mechanical property of pine powder is good, price is low, wear-resisting, make the obtained sound insulating material for 3D printing that there is sound insulation function, and good flowing properties, excellent in mechanical performance, suitable for 3D printing technique.The invention also discloses the preparation method of the sound insulating material for 3D printing, its simple production process, of low cost, safety and environmental protection, has market application foreground.
Description
Technical field
The invention belongs to field of new materials, and in particular to a kind of sound insulating material for 3D printing.
Background technology
3D printing technique is a kind of new printing technique, and 3D printing technique is as one kind in rapid shaping technique, most
Can early trace back to that Scans E.M. and Cima M.J. of Massachusetts Institute Technology et al. declared in 1991 on 3D printing
Patent.This technology is printed compared to two dimension, and difference is, the manuscript or photo that two dimension prints are planes
Two-dimensional pattern, and what 3D printing was printed is a three-dimensional object.3D printing and two dimension printing have similar place,
For example two dimension printing is that general thickness is not high by material sprayings such as ink on printable fabric, several microns.And if in printing
It is more than on thing to print once, and be repeatedly to print, the thickness of " ink " on stock can be more long-pending higher, ultimately forms 3D moulds
Type.
China Patent Publication No. discloses sound absorption and insulation fibrous material and preparation method thereof, the party for CN 104420004A
Method is made of the component of following parts by weight：100 parts of polyurethane, 30~70 parts of fine perlite, 20~30 parts of fluosilicic acid, carbonic acid
1~3 part of calcium, 1~5 part of antistatic additive, 1~3 part of talcum powder.The advantageous effect of the invention is：Employ organic and inorganic compounding
Material, substantially increases the intensity of product, the product of acquisition is fiber.But material processing fluidity prepared by this method is poor,
It can not apply to 3D printing.
China Patent Publication No. discloses a kind of barium sulfate reinforced polypropylene sound insulation composite material for CN 102816378A,
The invention component and its weight percent content are：Polypropylene：15%-40%, particle diameter are 1-100 microns of barium sulfate：30-60%,
Particle diameter is 1-100 microns of talcum powder：25-40%, coupling agent：0.5-2%, lubricant：0.1-1%, stabilizer：0.1-0.3%.Should
Invention a kind of barium sulfate reinforced polypropylene sound insulation composite material be use PP, barium sulfate, talcum powder, coupling agent, lubricant with
And stabilizer, the barium sulfate reinforced polypropylene sound insulation composite material material sound insulation effect that these components make are good；But the invention adds
Work poor fluidity, it is impossible to 3D printing.
China Patent Publication No. discloses a kind of soundproof construction new material for CN 104496373A, the invention include with
The raw material composition of lower parts by weight：15 ~ 35 parts of polyvinyl chloride, 10 ~ 25 parts of plant fiber, 10 ~ 15 parts of melamine resin, calcium carbonate 5 ~
15 parts, 3 ~ 8 parts of diatomite, 5 ~ 10 parts of magnesia, 3 ~ 8 parts of carborundum, 1 ~ 5 part of toughener, 1 ~ 3 part of fire retardant, adhesive 1 ~ 3
Part, 0.1 ~ 0.8 part of dispersant, 0.1 ~ 0.5 part of thickener.The construction material that the invention proposes has excellent sound insulation value, power
Characteristic is good, but material prepared by the invention is only applicable to construction material.
With the high speed development of 3D printing technique, 3D printing material is also got over as the important component in 3D printing technique
Attention is added, and there is the seldom of the 3D printing material of sound insulation function at present, greatly limit the selection of 3D printing material, because
This, develops a kind of 3D printing material with sound insulation function suitable for 3D printing, and the development to promoting 3D printing, abundant 3D is beaten
Print material is of great significance.
The content of the invention
The object of the invention：In order to enrich 3D printing material category, the present invention provides a kind of sound insulating material for 3D printing,
Its soundproof effect is good, while has excellent processing fluidity and mechanical property, and more selections are provided for 3D printing material.
The technical solution adopted by the present invention：To solve the above-mentioned problems, there is provided a kind of sound insulating material for 3D printing,
It is made of the following material comprising porous spherical carbonic acid calcium and pine powder in units of parts by weight：
Polyvinyl chloride 40-50
Porous spherical carbonic acid calcium 35-45
Pine powder 10-20
Talcum powder 2.0-4.0
Silane coupling agent 0.8-1.6
Stearic acid 0.2-0.4.
Further, the polyvinyl chloride is soft PVC, is made by suspension polymerization.
Further, the porous spherical carbonic acid calcium is light porous spherical calcium carbonate, and particle diameter is between 500 nanometers and 1000
Between nanometer, aperture is between 50 nanometers and 150 nanometers, and porosity is between 50% and 60%.
Further, for the pine powder fineness between 1000 mesh and 5000 mesh, moisture content is less than 5%.
Further, the talcum powder is platy talc, and between 100 nanometers and 200 nanometers, radius-thickness ratio is situated between particle diameter
In 10：1 and 20：Between 1, via cetyl trimethylammonium bromide modification.
The preparation method of the above-mentioned sound insulating material for 3D printing, comprises the following steps：
(1) by parts by weight be 35-45 porous spherical carbonic acid calcium, parts by weight be 10-20 pine powder, parts by weight 2.0-
4.0 talcum powder, the height of the hard acid ester that the silane coupling agent and parts by weight that parts by weight are 0.8-1.6 are 0.2-0.4 at normal temperatures
It is mixed in fast mixer, speed of agitator 360-480rpm, mixing time 20 minutes, obtains modified porous spherical carbonaceous
Sour calcium and pine powder；
(2) by step（1）It is 40-50 that the porous spherical carbonic acid calcium and pine powder of obtained modification, which add parts by weight, heating
In the polyvinyl chloride melted at 160 DEG C of temperature, it is stirred in adition process, speed of agitator 360-420rpm, mixing time 30
Minute, obtain uniformly mixed polyvinyl chloride composite materials；
(3) by step（2）It is 36 that obtained uniformly mixed polyvinyl chloride composite materials, which are sent into draw ratio,：1 twin-screw
Extruding pelletization in extruder, extruder rotating speed are 180-240rpm, and each section of temperature of extruder is：180-200 DEG C of feeding section, melting
200-210 DEG C of section, 210-220 DEG C of mixing section, 215-205 DEG C of exhaust section, 205-190 DEG C of homogenizing zone；Institute is made to beat required to 3D
The sound insulating material of print.
The principle of the present invention：Sound insulation and excellent mechanical performance, mobile performance using porous spherical carbonic acid calcium, utilize pine
The mechanical property of powder is good, price is low, wear-resisting, and the mobility and mechanical property of platy talc, mixes and squeezes with polyvinyl chloride
Go out to be granulated, good fluidity, the sound insulating material for 3D printing of excellent in mechanical performance with sound insulation function is made, enriches 3D
The species of sound insulating material in printed material, more more options are provided for 3D printing material.On the other hand the thermoplastic of polyvinyl chloride is utilized
Mobility under processability and molten condition so that obtained 3D printing sound insulating material possesses mobility in a heated state, cold
But can also be fast curing-formed under state, fully meet the requirement of fusion sediment and 3D printing.Beaten using fusion sediment 3D
When printing apparatus prints the sound insulating material, material molten can be made positioned at the heating equipment of printhead so as to possess mobility；In material
After printhead is left in material printing, environment temperature declines, and the polyvinyl chloride in material quickly cools and solidifies shaping.
Outstanding feature and beneficial effect of the present invention are：
(1) sound insulating material for 3D printing of the invention is based on polyvinyl chloride, porous spherical carbonic acid calcium and pine powder
Raw material is wanted, sound insulation effect is good, density is small and environmentally protective；
(2) the sound insulating material good fluidity for 3D printing of the invention, by modified porous spherical carbonic acid calcium with
The excellent mobility of talcum powder so that mobility and mechanical property for the sound insulating material of 3D printing strengthen；
(3) present invention be used for 3D printing sound insulating material simple production process, of low cost, safety and environmental protection, have compared with
High market application foreground.
Embodiment
The present invention is further described below according to specific embodiment, as described below is only the preferred reality of the present invention
Mode is applied, under same principle, can make and be partially improved, these improvement are fallen within protection scope of the present invention：
Embodiment 1：
A kind of sound insulating material for 3D printing：
(1) by the porous spherical carbonic acid calcium that parts by weight are 35, parts by weight are 10 pine powder, and parts by weight are 2.0 talcum
Powder, is mixed in the homogenizer of the hard acid ester that the silane coupling agent and parts by weight that parts by weight are 0.8 are 0.2 at normal temperatures
Stirring, speed of agitator 360rpm, mixing time 20 minutes, obtains modified porous spherical carbonic acid calcium and pine powder；
(2) by step（1）It is 40 that the porous spherical carbonic acid calcium and pine powder of obtained modification, which add parts by weight, heating-up temperature
In the polyvinyl chloride melted at 160 DEG C, it is stirred in adition process, speed of agitator 360rpm, mixing time 30 minutes, obtains
Uniformly mixed polyvinyl chloride composite materials；
(3) by step（2）It is 36 that obtained uniformly mixed polyvinyl chloride composite materials, which are sent into draw ratio,：1 twin-screw
Extruding pelletization in extruder, extruder rotating speed are 180rpm, and each section of temperature of extruder is：180-200 DEG C of feeding section, melt zone
200-210 DEG C, 210-220 DEG C of mixing section, 215-205 DEG C of exhaust section, 205-190 DEG C of homogenizing zone；Institute is made required to 3D printing
Sound insulating material.
Embodiment 2：
A kind of sound insulating material for 3D printing：
(1) by the porous spherical carbonic acid calcium that parts by weight are 45, parts by weight are 20 pine powder, and parts by weight are 4.0 talcum
Powder, is mixed in the homogenizer of the hard acid ester that the silane coupling agent and parts by weight that parts by weight are 1.6 are 0.4 at normal temperatures
Stirring, speed of agitator 480rpm, mixing time 20 minutes, obtains modified porous spherical carbonic acid calcium and pine powder；
(2) by step（1）It is 50 that the porous spherical carbonic acid calcium and pine powder of obtained modification, which add parts by weight, heating-up temperature
In the polyvinyl chloride melted at 160 DEG C, it is stirred in adition process, speed of agitator 420rpm, mixing time 30 minutes, obtains
Uniformly mixed polyvinyl chloride composite materials；
(3) by step（2）It is 36 that obtained uniformly mixed polyvinyl chloride composite materials, which are sent into draw ratio,：1 twin-screw
Extruding pelletization in extruder, extruder rotating speed are 240rpm, and each section of temperature of extruder is：180-200 DEG C of feeding section, melt zone
200-210 DEG C, 210-220 DEG C of mixing section, 215-205 DEG C of exhaust section, 205-190 DEG C of homogenizing zone；Institute is made required to 3D printing
Sound insulating material.
Embodiment 3：
A kind of sound insulating material for 3D printing：
(1) by the porous spherical carbonic acid calcium that parts by weight are 38, parts by weight are 16 pine powder, and parts by weight are 2.7 talcum
Powder, is mixed in the homogenizer of the hard acid ester that the silane coupling agent and parts by weight that parts by weight are 1.2 are 0.2 at normal temperatures
Stirring, speed of agitator 400rpm, mixing time 20 minutes, obtains modified porous spherical carbonic acid calcium and pine powder；
(2) by step（1）It is 47 that the porous spherical carbonic acid calcium and pine powder of obtained modification, which add parts by weight, heating-up temperature
In the polyvinyl chloride melted at 160 DEG C, it is stirred in adition process, speed of agitator 360rpm, mixing time 30 minutes, obtains
Uniformly mixed polyvinyl chloride composite materials；
(3) by step（2）It is 36 that obtained uniformly mixed polyvinyl chloride composite materials, which are sent into draw ratio,：1 twin-screw
Extruding pelletization in extruder, extruder rotating speed are 200rpm, and each section of temperature of extruder is：180-200 DEG C of feeding section, melt zone
200-210 DEG C, 210-220 DEG C of mixing section, 215-205 DEG C of exhaust section, 205-190 DEG C of homogenizing zone；Institute is made required to 3D printing
Sound insulating material.
Embodiment 4：
A kind of sound insulating material for 3D printing：
(1) by the porous spherical carbonic acid calcium that parts by weight are 41, parts by weight are 12 pine powder, and parts by weight are 3.4 talcum
Powder, is mixed in the homogenizer of the hard acid ester that the silane coupling agent and parts by weight that parts by weight are 0.9 are 0.4 at normal temperatures
Stirring is closed, speed of agitator 360rpm, mixing time 20 minutes, obtains modified porous spherical carbonic acid calcium and pine powder；
(2) by step（1）It is 48 that the porous spherical carbonic acid calcium and pine powder of obtained modification, which add parts by weight, heating-up temperature
In the polyvinyl chloride melted at 160 DEG C, it is stirred in adition process, speed of agitator 360rpm, mixing time 30 minutes, obtains
Uniformly mixed polyvinyl chloride composite materials；
(3) by step（2）It is 36 that obtained uniformly mixed polyvinyl chloride composite materials, which are sent into draw ratio,：1 twin-screw
Extruding pelletization in extruder, extruder rotating speed are 240rpm, and each section of temperature of extruder is：180-200 DEG C of feeding section, melt zone
200-210 DEG C, 210-220 DEG C of mixing section, 215-205 DEG C of exhaust section, 205-190 DEG C of homogenizing zone；Institute is made required to 3D printing
Sound insulating material.
Embodiment 5：
A kind of sound insulating material for 3D printing：
(1) by the porous spherical carbonic acid calcium that parts by weight are 44, parts by weight are 18 pine powder, and parts by weight are 2.6 talcum
Powder, is mixed in the homogenizer of the hard acid ester that the silane coupling agent and parts by weight that parts by weight are 1.5 are 0.2 at normal temperatures
Stirring, speed of agitator 420rpm, mixing time 20 minutes, obtains modified porous spherical carbonic acid calcium and pine powder；
(2) by step（1）It is 44 that the porous spherical carbonic acid calcium and pine powder of obtained modification, which add parts by weight, heating-up temperature
In the polyvinyl chloride melted at 160 DEG C, it is stirred in adition process, speed of agitator 420rpm, mixing time 30 minutes, obtains
Uniformly mixed polyvinyl chloride composite materials；
(3) by step（2）It is 36 that obtained uniformly mixed polyvinyl chloride composite materials, which are sent into draw ratio,：1 twin-screw
Extruding pelletization in extruder, extruder rotating speed are 180rpm, and each section of temperature of extruder is：180-200 DEG C of feeding section, melt zone
200-210 DEG C, 210-220 DEG C of mixing section, 215-205 DEG C of exhaust section, 205-190 DEG C of homogenizing zone；Institute is made required to 3D printing
Sound insulating material.
Each embodiment performance analysis data of table one
Claims (1)
- A kind of 1. sound insulating material for 3D printing, it is characterised in that：By following comprising porous spherical carbonic acid calcium and pine powder Material is formed in units of parts by weight：Polyvinyl chloride 40-50Porous spherical carbonic acid calcium 35-45Pine powder 10-20Talcum powder 2.0-4.0Silane coupling agent 0.8-1.6Stearic acid 0.2-0.4；Wherein, the polyvinyl chloride is soft PVC, is made by suspension polymerization；The porous spherical carbonic acid calcium is lightweight Porous spherical carbonic acid calcium, particle diameter is between 500 nanometers and 1000 nanometers, and aperture is between 50 nanometers and 150 nanometers, hole Rate is between 50% and 60%；For the pine powder fineness between 1000 mesh and 5000 mesh, moisture content is less than 5%；The talcum Powder is platy talc, and particle diameter is between 100 nanometers and 200 nanometers, and radius-thickness ratio is between 10：1 and 20：Between 1, via 16 Alkyl trimethyl ammonium bromide modification；The method of the sound insulating material for 3D printing, is prepared by the following method：（1）By parts by weight be 35-45 porous spherical carbonic acid calcium, parts by weight be 10-20 pine powder, parts by weight 2.0-4.0 Talcum powder, the high speed of the stearic acid that the silane coupling agent and parts by weight that parts by weight are 0.8-1.6 are 0.2-0.4 at normal temperatures It is mixed in mixer, speed of agitator 360-480rpm, mixing time 20 minutes, obtains modified porous spherical carbonic acid Calcium and pine powder；（2）By step（1）It is 40-50 that the porous spherical carbonic acid calcium and pine powder of obtained modification, which add parts by weight, heating-up temperature In the polyvinyl chloride melted at 160 DEG C, it is stirred in adition process, speed of agitator 360-420rpm, mixing time 30 minutes, Obtain uniformly mixed polyvinyl chloride composite materials；（3）By step（2）It is 36 that obtained uniformly mixed polyvinyl chloride composite materials, which are sent into draw ratio,：1 twin-screw extrusion Extruding pelletization in machine, extruder rotating speed are 180-240rpm, and each section of temperature of extruder is：180-200 DEG C of feeding section, melt zone 200-210 DEG C, 210-220 DEG C of mixing section, 215-205 DEG C of exhaust section, 205-190 DEG C of homogenizing zone；Institute is made required to 3D printing Sound insulating material.
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| CN106084545A (en) * | 2016-06-21 | 2016-11-09 | 佛山科学技术学院 | A kind of air-conditioning sound material |
| CN108219313A (en) * | 2017-12-22 | 2018-06-29 | 宁波市河清源技术转移服务有限公司 | A kind of preparation method of nanometer of acoustic material |
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| CN101240098A (en) * | 2008-03-05 | 2008-08-13 | 杨益琴 | Hard polyvinyl chloride sound insulation barrier and manufacturing technique |
| CN103044803B (en) * | 2012-12-07 | 2014-12-31 | 广东工业大学 | Method for preparing sound absorption and sound insulation composite material |
| CN104629217B (en) * | 2015-02-14 | 2016-08-10 | 青岛科技大学 | A kind of deadener and preparation method thereof |
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Effective date of registration: 20191113 Address after: Tiantai County Xinqiao village Taizhou city Zhejiang province 317203 Lei Feng Xiang 1 Group No. 98 Patentee after: Ding Wuxuan Address before: 325600 Zhejiang city of Wenzhou province Yueqing City Yuecheng Town Lake Ao Zhongyang road 37 Lane 2 Patentee before: Wang Hui |