CN105925003A - Environment-friendly 3D printing material - Google Patents
Environment-friendly 3D printing material Download PDFInfo
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- CN105925003A CN105925003A CN201610544769.9A CN201610544769A CN105925003A CN 105925003 A CN105925003 A CN 105925003A CN 201610544769 A CN201610544769 A CN 201610544769A CN 105925003 A CN105925003 A CN 105925003A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract
The invention discloses an environment-friendly 3D printing material, belonging to the technical field of preparation of environment-friendly 3D printing materials. The environment-friendly 3D printing material is prepared from the following raw materials in parts by weight: 48-56 parts of bentonite, 16-18 parts of slag, 24-26 parts of waste packaging bag plastic particles, 8-15 parts of an addition agent and 12-18 parts of an adhesive. According to the environment-friendly 3D printing material, waste plastic bags and slag are taken as the raw materials for preparing the 3D printing material, so that the production cost is greatly lowered, meanwhile, the environmental pollution can be reduced, the resource can be saved, and the circular using of the resource is promoted. The environment-friendly 3D printing material has the advantages of good plasticity and mechanical property, easiness in formation and high precision, is applicable to the 3D printing forming technique and has wide market prospect, and the popularization and application of the 3D printing forming technique are promoted.
Description
[technical field]
The invention belongs to 3D printing technical field of material, be specifically related to a kind of environmental protection 3D printing material.
[background technology]
3D printing technique, also known as increasing material manufacturing technology, is a kind of emerging technology in rapid shaping field, and it is a kind of based on mathematical model file, use powdery metal or plastics etc. can jointing material, by the way of successively printing, carry out the technology of constructed object.Along with development and the application of 3D printing technique, can the development of material decides 3D printing wider application, and material becomes one of key factor limiting 3D printing technique future trend.At present, 3D printed material mainly includes engineering plastics, photosensitive resin, rubber type of material, metal material and ceramic material etc., in addition, the food material such as coloured plaster material, artificial bone meal, cell biological raw material, wood materials and Saccharum Sinensis Roxb. also prints field at 3D and is applied.
Clay applies one of inorganic material the earliest as the mankind, there is the advantage that storage is abundant, with low cost, so far it is still that people apply most inorganic material in living, clay cannot be only used for firing of ceramic material, house is built, laying road etc., can be used for industry, such as the filler in macromolecular material, the process of waste water, the smelting etc. of metal.Along with the development of 3D printing technique, various materials are applied to 3D and print, and the using method of traditional material also there occurs change, the appearance of 3D printing technique, and the using method being similarly clay provides new thinking.Utilizing 3D printing technique forming ceramic products when, the 3D printed material that people use is all the ceramic powders fired by clay, then ceramic product is obtained by direct or indirect method, but the preparation method of ceramic powders is complex and high cost high, seriously hinder the development in pottery molding of the 3D printing technique and application.Clay itself has viscosity and the plasticity of excellence, ceramic body can be made by straight forming, then sintering obtains pottery, but due to technique, the defect of technology, the ceramic idiosome of molding has simple in construction, the shortcomings such as poor dimensional precision, seriously limit the application in life of clay and goods thereof, if 3D printing technique being used for clay and then molding obtaining pottery, can improve and solve above-mentioned defect completely, therefore, clay is used for 3D printing shaping to clay and goods application in life thereof significant and market value.
It is not suitable for 3D printing shaping without the clay material of modification, the clay mechanical property of high-ductility is poor, the support being unfavorable in forming process and moulding, and the good clay caking property of mechanical property and plasticity are poor, the bonding being unfavorable in forming process and extrusion, it is then desired to be modified clay processing, obtain being suitable for the clay material of 3D printing technique, be the clay precondition that can be used for 3D printing technique.
Plastics are a kind of degree of crystallinity thermoplastic resins high, nonpolar.It has good thermostability and tolerance to cold, and chemical stability is good, also has higher rigidity and toughness, and mechanical strength is good.The production technology of plastic has hollow blow molding, be molded and extrusion etc., and its product form includes various container, net, strap, cable coating, tubing, profile shapes, sheet material etc..
Using waste plastic bag as the raw material preparing 3D printed material, this is possible not only to be substantially reduced production cost, can reduce environmental pollution simultaneously, economize on resources, and promotes resource circulation utilization.
[summary of the invention]
The present invention provides a kind of environmental protection 3D printing material, to solve the clay material poor-performing without modification, the support being unfavorable in forming process and moulding, and 3D printed material production cost is high, discard the problems such as woven bag plastic pollution environment, the present invention is using waste plastic bag, slag as the raw material preparing 3D printed material, and this is possible not only to be substantially reduced production cost, can reduce environmental pollution simultaneously, economize on resources, promote resource circulation utilization；It is good that the environmental protection 3D printing material of the present invention has plasticity, easy-formation, and mechanical property is good, the advantage that precision is high, it is adaptable to 3D printing shaping technology, promotes the popularization and application of 3D printing shaping technology, has wide market prospect.
For solve above technical problem, the present invention by the following technical solutions:
A kind of environmental protection 3D printing material, in units of weight portion, is made up of following raw material: bentonite 48-56 part, slag 16-18 part, waste and old packaging bag plastic pellet 24-26 part, addition agent 8-15 part, adhesive 12-18 part；
Described addition agent, in units of weight portion, is made up of following raw material: propellant 1-2 part, coupling agent 1-2 part, compatilizer 1-2 part, antioxidant 0.6-1.5 part, tranquilizer 0.6-1.5 part, bridging agent 0.6-1.5 part, regulator 0.4-1 part, hardening agent 0.4-1 part, flocculation agent 0.4-1 part, toughener 0.4-1 part, plasticizer 0.4-1 part, thickening agent 0.4-1 part, mould resistant 0.2-0.5 part, stabilizer 0.3-0.5 part, terminator 0.3-0.5 part；
Described adhesive, in units of weight portion, is made up of following raw material: tapioca 4-5 part, dimethyl adipate 2-4 part, dimethyl acetylamide 2-3 part, sodium hydroxide 1-2 part, epoxy chlorobutane 3-4 part；
The preparation method of described environmental protection 3D printing material, comprises the following steps:
S1: taking pH is 8-11, and the bentonite of water content≤8% pulverized 100-200 mesh sieve, prepares bentonite in powder；
S2: slag was pulverized 100-200 mesh sieve, prepares slag powders；
S3: slag powders bentonite in powder prepared for step S1, step S2 prepared, waste and old packaging bag plastic pellet particle pulverize 4-6h after mixing at temperature≤-60 DEG C, cross 80-100 mesh sieve, prepared mixture I；
S4: add addition agent in the mixture I that step S3 prepares, be warming up to 162-166 DEG C, stirs 2-3h under rotating speed is 100-150r/min, is then cooled to room temperature, prepare mixture II；
S5: pulverized at temperature≤-10 DEG C by the mixture II that step S4 prepares, adds adhesive mix homogeneously, is 132-135 DEG C in temperature, and rotating speed is extruder grain under 60-80r/min, is then cooled to room temperature, and prepares environmental protection 3D printing material；
The preparation method of addition agent described in step S4, comprises the following steps:
S41: propellant, coupling agent, compatilizer, antioxidant, tranquilizer, bridging agent mixing are warming up to 110-120 DEG C, 40-50min is reacted under rotating speed is 200-300r/min, prepare material I, described propellant is aerogel generating agent, described coupling agent is epoxy silane class coupling agent, described compatilizer is that maleic anhydride is grafted compatilizer, described antioxidant is antioxidant 1010, described tranquilizer constituent is ardealite, fluorgypsum, ferrum oxide, and described bridging agent is acrylic type bridging agent；
S42: be warming up to 140-145 DEG C after adding regulator, hardening agent, flocculation agent, toughener, plasticizer, thickening agent mixing in the material I that step S41 prepares, react 120-150min under rotating speed is 300-400r/min, prepare material II；
S43: be cooled to 115-118 DEG C after adding mould resistant, stabilizer, terminator mixing in the material II that step S42 prepares, react 60-80min under rotating speed is 200-300r/min, prepare addition agent；
The preparation method of adhesive described in step S5, comprises the following steps:
S51: compound concentration is the para arrowroot slurry I of 30-35Be '；
S52: it is the dimethyl adipate of 3%-5%, dimethyl acetylamide that the para arrowroot slurry I in step S51 adds concentration, is then 35-38 DEG C in temperature, speed of agitator is to carry out cross-linked graft reaction 1-1.5h under 60-80r/min, prepares slurry II；
S53: adding sodium hydroxide and epoxy chlorobutane in the slurry II of step S52, be then 40-45 DEG C in temperature, speed of agitator is to carry out cross-linking reaction 0.4-0.6h under 60-80r/min, prepares slurry III；
S54: the slurry III of step S53 carried out pre-gelatinized and is dried at temperature is 105-125 DEG C, preparing the material IV of water content≤8%；
S55: the material IV of step S54 is pulverized, crosses 100-120 mesh sieve, prepare adhesive.
Further, described regulator is processing aids acrylic resin.
Further, described hardening agent is 701 powder hardening agents.
Further, described flocculation agent is aluminium polychlorid.
Further, described toughener is silicon carbide whisker.
Further, described plasticizer is dioctyl adipate.
Further, described thickening agent is cellulose ethers thickening agent.
Further, described mould resistant is o-phenyl phenol.
Further, described stabilizer is fat acids stabilizer.
Further, described terminator is styrene.
The method have the advantages that
(1) raw material uses low-temperature grinding, the performance loss of plastics in pulverizing can be alleviated, can pulverize more thoroughly simultaneously, the powder size obtained is less, largely add the specific surface area of micropowder, making its adsorptivity be strengthened, beneficially plastics and other materials obtain abundant and uniform mixing；
(2) using waste plastic bag, slag as the raw material preparing 3D printed material, this is possible not only to be substantially reduced production cost, can reduce environmental pollution simultaneously, economize on resources, and promotes resource circulation utilization；
(3) to have plasticity good for the environmental protection 3D printing material of the present invention, and easy-formation, mechanical property is good, the advantage that precision is high, it is adaptable to 3D printing shaping technology, promotes the popularization and application of 3D printing shaping technology, has wide market prospect.
[detailed description of the invention]
For ease of being more fully understood that the present invention, being illustrated by following example, these embodiments belong to protection scope of the present invention, but are not intended to protection scope of the present invention.
In an embodiment, described environmental protection 3D printing material, in units of weight portion, it is made up of following raw material: bentonite 48-56 part, slag 16-18 part, waste and old packaging bag plastic pellet 24-26 part, addition agent 8-15 part, adhesive 12-18 part；
Described addition agent, in units of weight portion, is made up of following raw material: propellant 1-2 part, coupling agent 1-2 part, compatilizer 1-2 part, antioxidant 0.6-1.5 part, tranquilizer 0.6-1.5 part, bridging agent 0.6-1.5 part, regulator 0.4-1 part, hardening agent 0.4-1 part, flocculation agent 0.4-1 part, toughener 0.4-1 part, plasticizer 0.4-1 part, thickening agent 0.4-1 part, mould resistant 0.2-0.5 part, stabilizer 0.3-0.5 part, terminator 0.3-0.5 part；
Described adhesive, in units of weight portion, is made up of following raw material: tapioca 4-5 part, dimethyl adipate 2-4 part, dimethyl acetylamide 2-3 part, sodium hydroxide 1-2 part, epoxy chlorobutane 3-4 part；
The preparation method of described environmental protection 3D printing material, comprises the following steps:
S1: taking pH is 8-11, and the bentonite of water content≤8% pulverized 100-200 mesh sieve, prepares bentonite in powder；
S2: slag was pulverized 100-200 mesh sieve, prepares slag powders；
S3: slag powders bentonite in powder prepared for step S1, step S2 prepared, waste and old packaging bag plastic pellet particle pulverize 4-6h after mixing at temperature≤-60 DEG C, cross 80-100 mesh sieve, prepared mixture I；
S4: add addition agent in the mixture I that step S3 prepares, be warming up to 162-166 DEG C, stirs 2-3h under rotating speed is 100-150r/min, is then cooled to room temperature, prepare mixture II；
S5: pulverized at temperature≤-10 DEG C by the mixture II that step S4 prepares, adds adhesive mix homogeneously, is 132-135 DEG C in temperature, and rotating speed is extruder grain under 60-80r/min, is then cooled to room temperature, and prepares environmental protection 3D printing material；
The preparation method of addition agent described in step S4, comprises the following steps:
S41: propellant, coupling agent, compatilizer, antioxidant, tranquilizer, bridging agent mixing are warming up to 110-120 DEG C, 40-50min is reacted under rotating speed is 200-300r/min, prepare material I, described propellant is aerogel generating agent, described coupling agent is epoxy silane class coupling agent, described compatilizer is that maleic anhydride is grafted compatilizer, described antioxidant is antioxidant 1010, described tranquilizer constituent is ardealite, fluorgypsum, ferrum oxide, and described bridging agent is acrylic type bridging agent；
S42: be warming up to 140-145 DEG C after adding regulator, hardening agent, flocculation agent, toughener, plasticizer, thickening agent mixing in the material I that step S41 prepares, 120-150min is reacted under rotating speed is 300-400r/min, prepare material II, described regulator be hardening agent described in processing aids acrylic resin be 701 powder hardening agents, described flocculation agent is aluminium polychlorid, described toughener is silicon carbide whisker, described plasticizer is dioctyl adipate, and described thickening agent is cellulose ethers thickening agent；
S43: be cooled to 115-118 DEG C after adding mould resistant, stabilizer, terminator mixing in the material II that step S42 prepares, 60-80min is reacted under rotating speed is 200-300r/min, prepare addition agent, described mould resistant is o-phenyl phenol, described stabilizer is fat acids stabilizer, and described terminator is styrene；
The preparation method of adhesive described in step S5, comprises the following steps:
S51: compound concentration is the para arrowroot slurry I of 30-35Be '；
S52: it is the dimethyl adipate of 3%-5%, dimethyl acetylamide that the para arrowroot slurry I in step S51 adds concentration, is then 35-38 DEG C in temperature, speed of agitator is to carry out cross-linked graft reaction 1-1.5h under 60-80r/min, prepares slurry II；
S53: adding sodium hydroxide and epoxy chlorobutane in the slurry II of step S52, be then 40-45 DEG C in temperature, speed of agitator is to carry out cross-linking reaction 0.4-0.6h under 60-80r/min, prepares slurry III；
S54: the slurry III of step S53 carried out pre-gelatinized and is dried at temperature is 105-125 DEG C, preparing the material IV of water content≤8%；
S55: the material IV of step S54 is pulverized, crosses 100-120 mesh sieve, prepare adhesive.
Below by more specifically embodiment, the present invention will be described.
Embodiment 1
A kind of environmental protection 3D printing material, in units of weight portion, is made up of following raw material: bentonite 52 parts, 17 parts of slag, waste and old packaging bag plastic pellet 25 parts, addition agent 13.5 parts, adhesive 15 parts；
Described addition agent, in units of weight portion, is made up of following raw material: propellant 1.5 parts, coupling agent 1.5 parts, compatilizer 1.5 parts, antioxidant 1 part, tranquilizer 1 part, bridging agent 1 part, regulator 0.8 part, hardening agent 0.8 part, flocculation agent 0.8 part, toughener 0.8 part, plasticizer 0.8 part, thickening agent 0.8 part, mould resistant 0.4 part, stabilizer 0.4 part, terminator 0.4 part；
Described adhesive, in units of weight portion, is made up of following raw material: tapioca 4.5 parts, dimethyl adipate 3 parts, dimethyl acetylamide 2.5 parts, sodium hydroxide 1.5 parts, epoxy chlorobutane 3.5 parts；
The preparation method of described environmental protection 3D printing material, comprises the following steps:
S1: taking pH is 10, and the bentonite of water content≤8% pulverized 200 mesh sieve, prepares bentonite in powder；
S2: slag was pulverized 100 mesh sieve, prepares slag powders；
S3: slag powders bentonite in powder prepared for step S1, step S2 prepared, waste and old packaging bag plastic pellet particle pulverize 6h after mixing at temperature is-60 DEG C, cross 100 mesh sieve, prepared mixture I；
S4: add addition agent in the mixture I that step S3 prepares, be warming up to 164 DEG C, stirs 2.5h under rotating speed is 120r/min, is then cooled to room temperature, prepare mixture II；
S5: pulverized at temperature is-10 DEG C by the mixture II that step S4 prepares, adds adhesive mix homogeneously, is 134 DEG C in temperature, and rotating speed is extruder grain under 70r/min, is then cooled to room temperature, and prepares environmental protection 3D printing material；
The preparation method of addition agent described in step S4, comprises the following steps:
S41: propellant, coupling agent, compatilizer, antioxidant, tranquilizer, bridging agent mixing are warming up to 115 DEG C, 45 min are reacted under rotating speed is 200r/min, prepare material I, described propellant is aerogel generating agent, described coupling agent is epoxy silane class coupling agent, and described compatilizer is that maleic anhydride is grafted compatilizer, and described antioxidant is antioxidant 1010, described tranquilizer constituent is ardealite, fluorgypsum, ferrum oxide, and described bridging agent is acrylic type bridging agent；
S42: be warming up to 142 DEG C after adding regulator, hardening agent, flocculation agent, toughener, plasticizer, thickening agent mixing in the material I that step S41 prepares, 135min is reacted under rotating speed is 400r/min, prepare material II, described regulator be hardening agent described in processing aids acrylic resin be 701 powder hardening agents, described flocculation agent is aluminium polychlorid, described toughener is silicon carbide whisker, and described plasticizer is dioctyl adipate, and described thickening agent is cellulose ethers thickening agent；
S43: be cooled to 116 DEG C after adding mould resistant, stabilizer, terminator mixing in the material II that step S42 prepares, reacting 70min under rotating speed is 250r/min, prepare addition agent, described mould resistant is o-phenyl phenol, described stabilizer is fat acids stabilizer, and described terminator is styrene；
The preparation method of adhesive described in step S5, comprises the following steps:
S51: compound concentration is the para arrowroot slurry I of 32Be '；
S52: the para arrowroot slurry I in step S51 adds dimethyl adipate, the dimethyl acetylamide that concentration is 4%, is then 36 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 1.2h under 70r/min, prepares slurry II；
S53: add sodium hydroxide and epoxy chlorobutane in the slurry II of step S52, is then 42 DEG C in temperature, and speed of agitator is to carry out cross-linking reaction 0.5h under 70r/min, prepares slurry III；
S54: the slurry III of step S53 carrying out pre-gelatinized and is dried at temperature is 115 DEG C, prepared water content is the material IV of 8%；
S55: the material IV of step S54 is pulverized, crosses 110 mesh sieve, prepare adhesive.
Embodiment 2
A kind of environmental protection 3D printing material, in units of weight portion, is made up of following raw material: bentonite 48 parts, 16 parts of slag, waste and old packaging bag plastic pellet 24 parts, addition agent 8 parts, adhesive 12 parts；
Described addition agent, in units of weight portion, is made up of following raw material: propellant 1 part, coupling agent 1 part, compatilizer 1 part, antioxidant 0.6 part, tranquilizer 0.6 part, bridging agent 0.6 part, regulator 0.4 part, hardening agent 0.4 part, flocculation agent 0.4 part, toughener 0.4 part, plasticizer 0.4 part, thickening agent 0.4 part, mould resistant 0.2 part, stabilizer 0.3 part, terminator 0.3 part；
Described adhesive, in units of weight portion, is made up of following raw material: tapioca 4 parts, dimethyl adipate 2 parts, dimethyl acetylamide 2 parts, sodium hydroxide 1 part, epoxy chlorobutane 3 parts；
The preparation method of described environmental protection 3D printing material, comprises the following steps:
S1: taking pH is 8, water content be 7% bentonite pulverized 100 mesh sieve, prepare bentonite in powder；
S2: slag was pulverized 100 mesh sieve, prepares slag powders；
S3: slag powders bentonite in powder prepared for step S1, step S2 prepared, waste and old packaging bag plastic pellet particle pulverize 5h after mixing at temperature is-70 DEG C, cross 80 mesh sieve, prepared mixture I；
S4: add addition agent in the mixture I that step S3 prepares, be warming up to 162 DEG C, stirs 3h under rotating speed is 100r/min, is then cooled to room temperature, prepare mixture II；
S5: pulverized at temperature is-15 DEG C by the mixture II that step S4 prepares, adds adhesive mix homogeneously, is 132 DEG C in temperature, and rotating speed is extruder grain under 60r/min, is then cooled to room temperature, and prepares environmental protection 3D printing material；
The preparation method of addition agent described in step S4, comprises the following steps:
S41: propellant, coupling agent, compatilizer, antioxidant, tranquilizer, bridging agent mixing are warming up to 110 DEG C, 40min is reacted under rotating speed is 200r/min, prepare material I, described propellant is aerogel generating agent, described coupling agent is epoxy silane class coupling agent, and described compatilizer is that maleic anhydride is grafted compatilizer, and described antioxidant is antioxidant 1010, described tranquilizer constituent is ardealite, fluorgypsum, ferrum oxide, and described bridging agent is acrylic type bridging agent；
S42: be warming up to 140 DEG C after adding regulator, hardening agent, flocculation agent, toughener, plasticizer, thickening agent mixing in the material I that step S41 prepares, 150min is reacted under rotating speed is 300r/min, prepare material II, described regulator be hardening agent described in processing aids acrylic resin be 701 powder hardening agents, described flocculation agent is aluminium polychlorid, described toughener is silicon carbide whisker, and described plasticizer is dioctyl adipate, and described thickening agent is cellulose ethers thickening agent；
S43: be cooled to 115 DEG C after adding mould resistant, stabilizer, terminator mixing in the material II that step S42 prepares, reacting 80 min under rotating speed is 200r/min, prepare addition agent, described mould resistant is o-phenyl phenol, described stabilizer is fat acids stabilizer, and described terminator is styrene；
The preparation method of adhesive described in step S5, comprises the following steps:
S51: compound concentration is the para arrowroot slurry I of 30Be '；
S52: the para arrowroot slurry I in step S51 adds dimethyl adipate, the dimethyl acetylamide that concentration is 3%, is then 35 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 1.5h under 60r/min, prepares slurry II；
S53: add sodium hydroxide and epoxy chlorobutane in the slurry II of step S52, is then 40 DEG C in temperature, and speed of agitator is to carry out cross-linking reaction 0.6h under 60r/min, prepares slurry III；
S54: the slurry III of step S53 carrying out pre-gelatinized and is dried at temperature is 105 DEG C, prepared water content is the material IV of 6%；
S55: the material IV of step S54 is pulverized, crosses 100 mesh sieve, prepare adhesive.
Embodiment 3
A kind of environmental protection 3D printing material, in units of weight portion, is made up of following raw material: bentonite 56 parts, 18 parts of slag, waste and old packaging bag plastic pellet 26 parts, addition agent 15 parts, adhesive 18 parts；
Described addition agent, in units of weight portion, is made up of following raw material: propellant 2 parts, coupling agent 2 parts, compatilizer 2 parts, antioxidant 1.5 parts, tranquilizer 1.5 parts, bridging agent 1.5 parts, regulator 1 part, hardening agent 1 part, flocculation agent 1 part, toughener 1 part, plasticizer 1, thickening agent 1 part, mould resistant 0.5 part, stabilizer 0.5 part, terminator 0.5 part；
Described adhesive, in units of weight portion, is made up of following raw material: tapioca 5 parts, dimethyl adipate 4 parts, dimethyl acetylamide 3 parts, sodium hydroxide 2 parts, epoxy chlorobutane 4 parts；
The preparation method of described environmental protection 3D printing material, comprises the following steps:
S1: taking pH is 11, water content be 6% bentonite pulverized 200 mesh sieve, prepare bentonite in powder；
S2: slag was pulverized 200 mesh sieve, prepares slag powders；
S3: slag powders bentonite in powder prepared for step S1, step S2 prepared, waste and old packaging bag plastic pellet particle pulverize 4h after mixing at temperature is-80 DEG C, cross 100 mesh sieve, prepared mixture I；
S4: add addition agent in the mixture I that step S3 prepares, be warming up to 166 DEG C, stirs 2h under rotating speed is 150r/min, is then cooled to room temperature, prepare mixture II；
S5: pulverized at temperature is-30 DEG C by the mixture II that step S4 prepares, adds adhesive mix homogeneously, is 135 DEG C in temperature, and rotating speed is extruder grain under 80r/min, is then cooled to room temperature, and prepares environmental protection 3D printing material；
The preparation method of addition agent described in step S4, comprises the following steps:
S41: propellant, coupling agent, compatilizer, antioxidant, tranquilizer, bridging agent mixing are warming up to 120 DEG C, 40min is reacted under rotating speed is 300r/min, prepare material I, described propellant is aerogel generating agent, described coupling agent is epoxy silane class coupling agent, and described compatilizer is that maleic anhydride is grafted compatilizer, and described antioxidant is antioxidant 1010, described tranquilizer constituent is ardealite, fluorgypsum, ferrum oxide, and described bridging agent is acrylic type bridging agent；
S42: be warming up to 145 DEG C after adding regulator, hardening agent, flocculation agent, toughener, plasticizer, thickening agent mixing in the material I that step S41 prepares, 120min is reacted under rotating speed is 400r/min, prepare material II, described regulator be hardening agent described in processing aids acrylic resin be 701 powder hardening agents, described flocculation agent is aluminium polychlorid, described toughener is silicon carbide whisker, and described plasticizer is dioctyl adipate, and described thickening agent is cellulose ethers thickening agent；
S43: be cooled to 118 DEG C after adding mould resistant, stabilizer, terminator mixing in the material II that step S42 prepares, reacting 60min under rotating speed is 300r/min, prepare addition agent, described mould resistant is o-phenyl phenol, described stabilizer is fat acids stabilizer, and described terminator is styrene；
The preparation method of adhesive described in step S5, comprises the following steps:
S51: compound concentration is the para arrowroot slurry I of 35Be '；
S52: the para arrowroot slurry I in step S51 adds dimethyl adipate, the dimethyl acetylamide that concentration is 5%, is then 38 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 1h under 80r/min, prepares slurry II；
S53: add sodium hydroxide and epoxy chlorobutane in the slurry II of step S52, is then 45 DEG C in temperature, and speed of agitator is to carry out cross-linking reaction 0.4h under 80r/min, prepares slurry III；
S54: the slurry III of step S53 carrying out pre-gelatinized and is dried at temperature is 125 DEG C, prepared water content is the material IV of 5%；
S55: the material IV of step S54 is pulverized, crosses 120 mesh sieve, prepare adhesive.
Adhesive performance parameter in embodiment 1-3 is as shown in the table.
| Embodiment | Fineness (0.25mm sub-sieve percent of pass)/% | Whiteness (457nm blu-ray reflection rate)/% | Moisture % | Ash/% | Viscosity mpa.s(NDJ-1) | pH |
| 1 | 98.4 | 76.3 | 8 | 0.48 | 8043 | 6.5 |
| 2 | 98.2 | 76.1 | 6 | 0.5 | 7865 | 6.2 |
| 3 | 98.6 | 76.5 | 5 | 0.49 | 8126 | 6.6 |
Environmental protection 3D printing material property parameter in embodiment 1-3 is as shown in the table.
| Embodiment | PH value | Wear-resisting intensity (kg/m2) | Impact strength (g/ms) | Infiltration coefficient (cm/s) | Elongation at break (%) | Anti-earthquake ductility coefficient |
| 1 | 7.5 | 4.96 | 71.83 | 6.55×10-11 | 1.26 | 6.14 |
| 2 | 7.4 | 4.81 | 68.16 | 6.21×10-11 | 1.23 | 5.84 |
| 3 | 7.5 | 5.07 | 72.32 | 6.67×10-11 | 1.31 | 6.38 |
Above content is it cannot be assumed that the present invention is embodied as being confined to these explanations; for general technical staff of the technical field of the invention; without departing under present inventive concept premise; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (10)
1. an environmental protection 3D printing material, it is characterised in that in units of weight portion, be made up of following raw material: bentonite 48-56 part, slag 16-18 part, waste and old packaging bag plastic pellet 24-26 part, addition agent 8-15 part, adhesive 12-18 part；
Described addition agent, in units of weight portion, is made up of following raw material: propellant 1-2 part, coupling agent 1-2 part, compatilizer 1-2 part, antioxidant 0.6-1.5 part, tranquilizer 0.6-1.5 part, bridging agent 0.6-1.5 part, regulator 0.4-1 part, hardening agent 0.4-1 part, flocculation agent 0.4-1 part, toughener 0.4-1 part, plasticizer 0.4-1 part, thickening agent 0.4-1 part, mould resistant 0.2-0.5 part, stabilizer 0.3-0.5 part, terminator 0.3-0.5 part；
Described adhesive, in units of weight portion, is made up of following raw material: tapioca 4-5 part, dimethyl adipate 2-4 part, dimethyl acetylamide 2-3 part, sodium hydroxide 1-2 part, epoxy chlorobutane 3-4 part；
The preparation method of described environmental protection 3D printing material, comprises the following steps:
S1: taking pH is 8-11, and the bentonite of water content≤8% pulverized 100-200 mesh sieve, prepares bentonite in powder；
S2: slag was pulverized 100-200 mesh sieve, prepares slag powders；
S3: slag powders bentonite in powder prepared for step S1, step S2 prepared, waste and old packaging bag plastic pellet particle pulverize 4-6h after mixing at temperature≤-60 DEG C, cross 80-100 mesh sieve, prepared mixture I；
S4: add addition agent in the mixture I that step S3 prepares, be warming up to 162-166 DEG C, stirs 2-3h under rotating speed is 100-150r/min, is then cooled to room temperature, prepare mixture II；
S5: pulverized at temperature≤-10 DEG C by the mixture II that step S4 prepares, adds adhesive mix homogeneously, is 132-135 DEG C in temperature, and rotating speed is extruder grain under 60-80r/min, is then cooled to room temperature, and prepares environmental protection 3D printing material；
The preparation method of addition agent described in step S4, comprises the following steps:
S41: propellant, coupling agent, compatilizer, antioxidant, tranquilizer, bridging agent mixing are warming up to 110-120 DEG C, 40-50min is reacted under rotating speed is 200-300r/min, prepare material I, described propellant is aerogel generating agent, described coupling agent is epoxy silane class coupling agent, described compatilizer is that maleic anhydride is grafted compatilizer, described antioxidant is antioxidant 1010, described tranquilizer constituent is ardealite, fluorgypsum, ferrum oxide, and described bridging agent is acrylic type bridging agent；
S42: be warming up to 140-145 DEG C after adding regulator, hardening agent, flocculation agent, toughener, plasticizer, thickening agent mixing in the material I that step S41 prepares, react 120-150min under rotating speed is 300-400r/min, prepare material II；
S43: be cooled to 115-118 DEG C after adding mould resistant, stabilizer, terminator mixing in the material II that step S42 prepares, react 60-80min under rotating speed is 200-300r/min, prepare addition agent；
The preparation method of adhesive described in step S5, comprises the following steps:
S51: compound concentration is the para arrowroot slurry I of 30-35Be '；
S52: it is the dimethyl adipate of 3%-5%, dimethyl acetylamide that the para arrowroot slurry I in step S51 adds concentration, is then 35-38 DEG C in temperature, speed of agitator is to carry out cross-linked graft reaction 1-1.5h under 60-80r/min, prepares slurry II；
S53: adding sodium hydroxide and epoxy chlorobutane in the slurry II of step S52, be then 40-45 DEG C in temperature, speed of agitator is to carry out cross-linking reaction 0.4-0.6h under 60-80r/min, prepares slurry III；
S54: the slurry III of step S53 carried out pre-gelatinized and is dried at temperature is 105-125 DEG C, preparing the material IV of water content≤8%；
S55: the material IV of step S54 is pulverized, crosses 100-120 mesh sieve, prepare adhesive.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described regulator is processing aids acrylic resin.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described hardening agent is 701 powder hardening agents.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described flocculation agent is aluminium polychlorid.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described toughener is silicon carbide whisker.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described plasticizer is dioctyl adipate.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described thickening agent is cellulose ethers thickening agent.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described mould resistant is o-phenyl phenol.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described stabilizer is fat acids stabilizer.
The preparation method of environmental protection 3D printing material the most according to claim 1, it is characterised in that described terminator is styrene.
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