CN106317638A - High-performance wood-plastic composite material for 3D (three-dimensional) printing - Google Patents
High-performance wood-plastic composite material for 3D (three-dimensional) printing Download PDFInfo
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- CN106317638A CN106317638A CN201610902900.4A CN201610902900A CN106317638A CN 106317638 A CN106317638 A CN 106317638A CN 201610902900 A CN201610902900 A CN 201610902900A CN 106317638 A CN106317638 A CN 106317638A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
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Abstract
The invention discloses a high-performance wood-plastic composite material for 3D (three-dimensional) printing, belonging to the technical field of preparation of materials for 3D printing. The high-performance wood-plastic composite material for 3D printing comprises the following raw materials in parts by weight: 97-136 parts of plant fiber powder, 115-150 parts of polyolefin plastic powder, 39-55 parts of polylactic acid, 25-34 parts of dimerization potassium phosphate, 27-32 parts of dipropylene glycol methyl ether acetate, 16-24 parts of a specific synthesis agent and 8-15 parts of a starch synthesis agent. The high-performance wood-plastic composite material has very good toughness and impact strength; and products printed by using a 3D printing technology has high quality, high impact resistance, high strength and wide market prospect.
Description
Technical field
The invention belongs to 3D printing technical field of material, be specifically related to a kind of high performance 3 d printing wood plastics composite
Material.
Background technology
3D prints and is also called rapid shaping technique, also referred to as increases material manufacturing technology, is that one need not conventional tool, fixture
And lathe, but based on mathematical model file, the material using metal dust or plastics etc. to have adhesion successively prints
Manufacture the technology of arbitrary shape article.The article that 3D printer can manufacture are a lot, such as aircraft, pistol, for another example food, human body
Organ, toy for children etc..3D printing technique is an important breakthrough in world's manufacturing technology field over the past two decades.It is mechanic
The multidisciplinary technology such as journey, computer technology, Numeric Control Technology, material science integrated.3D prints and is most difficult to most crucial technology is to beat
The exploitation of printed material material.Therefore develop the most various multi-functional 3D printed material and become future studies and the focus of application and pass
Key.The 3D printed material of the present invention is a kind of new material, has the performance of timber and plastics concurrently, prints for 3D and provides more material
Selection in terms of material.
Polypropylene has nontoxic, tasteless, and mechanical property is good, easily processes, corrosion-resistant, and melt temperature is relatively low, and good fluidity is cold
The advantages such as but speed is fast, transparent easy dyeing all meet the requirement to polymeric material of the 3D printing technique, and pp material source
Extensively, price is low；Polypropylene composites makes it have the double grading of timber and plastics concurrently, and Plant fiber adds
Enter reduce further polyacrylic condensation shrinkage factor, and the article printed have woodiness touch, more friendliness.
Polypropylene composites is little as the document of 3D printed material at present.
China Patent Publication No. is that 102276920A discloses a kind of PP composite material, uses glass fibre, toughness reinforcing
Agent, coupling agent, antioxidant, lubricant, Nucleating Agent on Pp are modified, the tool intensity of modified PP composite material
Higher and creep-resistant property is preferable.But it is few to affinity and the heat distortion temperature modification of PP composite material, it is impossible to very well
Ground meets printing demand.
China Patent Publication No. is the processing procedure that 101781472A discloses a kind of composite material of plant fiber, and it adds coupling
Agent becomes mixing material, is uniformly mixed by mixing material with high pass filter muller, adds lubrication prescription to be mixed into micelle and to make compound
Finished material its use, modified material have weight saving, be difficult to thermal deformation, characteristic that thermal shrinkage force is little.But its affinity
The highest, it is impossible to meet 3D well and print demand.
Single performance boost can not meet the 3D printing technique performance need to polypropylene composites
Ask, be badly in need of a kind of new polypropylene composites and apply widely in 3D printing technique.
Summary of the invention
The present invention provides a kind of high performance 3 d printing wood plastic composite, to solve existing composite affinity and heat
The problems such as deformation temperature modification is low.The material that the present invention makes has good toughness, impact strength, is beaten by 3D printing technique
The product high-quality that prints off, high-impact, high intensity, have wide market prospect.
For solve above technical problem, the present invention by the following technical solutions:
A kind of high performance 3 d printing wood plastic composite, in units of weight portion, including following raw material: Plant fiber's powder
97-136 part, polyolefin plastics powder 115-150 part, polylactic acid 39-55 part, two PA 800K 25-34 parts, dipropylene glycol methyl ether
Acetate 27-32 part, specific synthetics 16-24 part, Starch synthesis agent 8-15 part；
Described specific synthetics is in units of weight portion, including following raw material: regulator 15-22 part, propellant 13-19 part, idol
Connection agent a 11-14 part, compatilizer 14-17 part, plasticizer 10-13 part, antioxidant 8-15 part, flocculation agent 7-10 part, terminator
3-6 part；
Described Plant fiber is pine cellulosic；
Described regulator is ACR；
Described propellant is aerogel generating agent；
Described coupling agent a is aluminate coupling agent；
Described compatilizer is acrylic type compatilizer；
Described plasticizer is dicyclohexyl phthalate；
Described antioxidant is antioxidant 1076；
Described flocculation agent is aluminium polychlorid；
Described terminator is wood tar；
Described Starch synthesis agent is in units of weight portion, including following raw material: starch 90-150 part, epoxy acrylate 12-18
Part, N,N-dimethylacetamide 9-15 part, epoxy chlorobutane 3-6 part, carbamide 1.8-3.8 part, paste agent 1.2-2.4 part, coupling
Agent b 0.3-0.7 part, initiator 0.2-0.3 part, catalyst 0.1-0.2 part, stabilizer 0.2-0.4 part, defoamer 0.4-0.8
Part, plasticizer 0.5-0.9 part, toughener 0.3-0.6 part, viscosifier 0.3-0.5 part, water-proofing agent 0.2-0.4 part, antibacterial
0.2-0.3 part；
Described coupling agent b is 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-；
Described initiator is azo two isopropylformic acid. (acrylic acid ethylene glycol) ester；
Described catalyst is platinum catalyst；
Described plasticizer is dicyclohexyl phthalate；
The preparation method of described high performance 3 d printing wood plastic composite, comprises the following steps:
S1: the Plant fiber selected pulverized, cross 80-120 mesh sieve, prepare powder, described powder is dried 2-at 88-95 DEG C
2.8h, control moisture, below 0.05%, prepares primary raw material Plant fiber's powder；
S2: add polyolefin plastics powder, polylactic acid, dimerization phosphorus in primary raw material Plant fiber's powder that step S1 prepares
Acid potassium, dipropylene glycol methyl ether acetate, specific synthetics, be warming up to 185-209 DEG C, stirs under rotating speed is 200-400r/min
Melt 1.5-3.2h, be then cooled to room temperature, prepare modified Plant fiber 3D and print secondary-material；
The preparation method of described specific synthetics, comprises the following steps:
S21: propellant, coupling agent a, compatilizer, antioxidant mixing are warming up to 116-126 DEG C, are 200-300r/ at rotating speed
React 54-75 min under min, prepare material A；
S22: be warming up to 144-153 DEG C after adding regulator, flocculation agent mixing in the material A that step S21 prepares, at rotating speed be
React 141-237 min under 200-400r/min, prepare material B；
S23: be cooled to 114-123 DEG C after adding plasticizer, terminator mixing in the material B that step S22 prepares, at rotating speed be
React 61-129 min under 200-300r/min, prepare specific synthetics；
S3: modified Plant fiber 3D step S2 prepared prints secondary-material and pulverizes at temperature is-92--117 DEG C, adds
Enter Starch synthesis agent mix homogeneously, mix homogeneously mixture put in screw extruding forming machine, be 189-206 DEG C in temperature,
Rotating speed is under 102-113r/min, through extruding strand, prepares high performance 3 d printing wood plastic composite；
The preparation method of described Starch synthesis agent, comprises the following steps:
S31: compound concentration be 18-27Be ', pH value be the starch slurry a of 3.4-3.7；
S32: adding concentration in the starch slurry a that step S31 prepares is the epoxy acrylate of 6%-11%, N, N-dimethylacetamide
Amine, coupling agent b, catalyst, be then 48-55 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction under 80-100r/min
2.4-3.2h, prepares slurry b；
S33: adding paste agent in the slurry b that step S32 prepares, regulation pH value is 9.3-9.7, is subsequently added into epoxy neoprene
Alkane, carbamide, initiator, plasticizer, toughener, viscosifier, water-proofing agent, antibacterial, be then 57-63 DEG C in temperature, and stirring turns
Speed, for carrying out cross-linking reaction 1.4-1.7h under 80-120r/min, prepares slurry c；
S34: added stabilizer in slurry c step S33 prepared, regulation pH value is 8.1-8.4, is warming up to 72-78 DEG C, gelatinizing
48-53min, gelatinizing is down to 29-32 DEG C after terminating, is added defoamer, stirs 7-11min, system under rotating speed is 90-130r/min
Obtain Starch synthesis agent.
Further, described stabilizer is organic tin stabilizer.
Further, described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether.
Further, described toughener is poly-propylene diene rubber.
Further, described viscosifier are propyl trimethoxy silicane.
Further, described water-proofing agent is boric acid.
Further, described antibacterial is lithium carbonate.
The method have the advantages that
(1) present invention uses conventional thermoplastic polypropylene, and source is wide, and price is low, and performance is excellent, has widened 3D printed material
The range of choice of raw material；
(2) present invention uses Plant fiber's filled polypropylene, makes wood plastic composite so that goods have woodiness touch, more
Friendliness, can Partial digestion, more low-carbon environment-friendly；
(3) the high performance 3 d printing wood plastic composite that the present invention makes has good toughness, impact strength, is beaten by 3D
Product high-quality that print technology prints, high-impact, high intensity, have wide market prospect；
(4) the high performance 3 d printing wood plastic composite low cost that the present invention makes, it is easy to industrialized production.
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 the present invention's
Protection domain, but it is not intended to protection scope of the present invention.
In an embodiment, described high performance 3 d printing wood plastic composite, in units of weight portion, including following former
Material: Plant fiber's powder 97-136 part, polyolefin plastics powder 115-150 part, polylactic acid 39-55 part, two PA 800K 25-34
Part, dipropylene glycol methyl ether acetate 27-32 part, specific synthetics 16-24 part, Starch synthesis agent 8-15 part；
Described specific synthetics is in units of weight portion, including following raw material: regulator 15-22 part, propellant 13-19 part, idol
Connection agent a 11-14 part, compatilizer 14-17 part, plasticizer 10-13 part, antioxidant 8-15 part, flocculation agent 7-10 part, terminator
3-6 part；
Described Plant fiber is pine cellulosic；
Described regulator is ACR；
Described propellant is aerogel generating agent；
Described coupling agent a is aluminate coupling agent；
Described compatilizer is acrylic type compatilizer；
Described plasticizer is dicyclohexyl phthalate；
Described antioxidant is antioxidant 1076；
Described flocculation agent is aluminium polychlorid；
Described terminator is wood tar；
Described Starch synthesis agent is in units of weight portion, including following raw material: starch 90-150 part, epoxy acrylate 12-18
Part, N,N-dimethylacetamide 9-15 part, epoxy chlorobutane 3-6 part, carbamide 1.8-3.8 part, paste agent 1.2-2.4 part, coupling
Agent b 0.3-0.7 part, initiator 0.2-0.3 part, catalyst 0.1-0.2 part, stabilizer 0.2-0.4 part, defoamer 0.4-0.8
Part, plasticizer 0.5-0.9 part, toughener 0.3-0.6 part, viscosifier 0.3-0.5 part, water-proofing agent 0.2-0.4 part, antibacterial
0.2-0.3 part；
Described coupling agent b is 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-；
Described initiator is azo two isopropylformic acid. (acrylic acid ethylene glycol) ester；
Described catalyst is platinum catalyst；
Described stabilizer is organic tin stabilizer；
Described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether；
Described plasticizer is dicyclohexyl phthalate；
Described toughener is poly-propylene diene rubber；
Described viscosifier are propyl trimethoxy silicane；
Described water-proofing agent is boric acid；
Described antibacterial is lithium carbonate；
The preparation method of described high performance 3 d printing wood plastic composite, comprises the following steps:
S1: the Plant fiber selected pulverized, cross 80-120 mesh sieve, prepare powder, described powder is dried 2-at 88-95 DEG C
2.8h, control moisture, below 0.05%, prepares primary raw material Plant fiber's powder；
S2: add polyolefin plastics powder, polylactic acid, dimerization phosphorus in primary raw material Plant fiber's powder that step S1 prepares
Acid potassium, dipropylene glycol methyl ether acetate, specific synthetics, be warming up to 185-209 DEG C, stirs under rotating speed is 200-400r/min
Melt 1.5-3.2h, be then cooled to room temperature, prepare modified Plant fiber 3D and print secondary-material；
The preparation method of described specific synthetics, comprises the following steps:
S21: propellant, coupling agent a, compatilizer, antioxidant mixing are warming up to 116-126 DEG C, are 200-300r/ at rotating speed
React 54-75 min under min, prepare material A；
S22: be warming up to 144-153 DEG C after adding regulator, flocculation agent mixing in the material A that step S21 prepares, at rotating speed be
React 141-237 min under 200-400r/min, prepare material B；
S23: be cooled to 114-123 DEG C after adding plasticizer, terminator mixing in the material B that step S22 prepares, at rotating speed be
React 61-129 min under 200-300r/min, prepare specific synthetics；
S3: modified Plant fiber 3D step S2 prepared prints secondary-material and pulverizes at temperature is-92--117 DEG C, adds
Enter Starch synthesis agent mix homogeneously, mix homogeneously mixture put in screw extruding forming machine, be 189-206 DEG C in temperature,
Rotating speed is under 102-113r/min, through extruding strand, prepares high performance 3 d printing wood plastic composite；
The preparation method of described Starch synthesis agent, comprises the following steps:
S31: compound concentration be 18-27Be ', pH value be the starch slurry a of 3.4-3.7；
S32: adding concentration in the starch slurry a that step S31 prepares is the epoxy acrylate of 6%-11%, N, N-dimethylacetamide
Amine, coupling agent b, catalyst, be then 48-55 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction under 80-100r/min
2.4-3.2h, prepares slurry b；
S33: adding paste agent in the slurry b that step S32 prepares, regulation pH value is 9.3-9.7, is subsequently added into epoxy neoprene
Alkane, carbamide, initiator, plasticizer, toughener, viscosifier, water-proofing agent, antibacterial, be then 57-63 DEG C in temperature, and stirring turns
Speed, for carrying out cross-linking reaction 1.4-1.7h under 80-120r/min, prepares slurry c；
S34: added stabilizer in slurry c step S33 prepared, regulation pH value is 8.1-8.4, is warming up to 72-78 DEG C, gelatinizing
48-53min, gelatinizing is down to 29-32 DEG C after terminating, is added defoamer, stirs 7-11min, system under rotating speed is 90-130r/min
Obtain Starch synthesis agent.
Below by more specifically embodiment, the present invention will be described.
Embodiment 1
A kind of high performance 3 d printing wood plastic composite, in units of weight portion, including following raw material: Plant fiber's powder
120 parts, 135 parts of polyolefin plastics powder, polylactic acid 45 parts, two PA 800K 28 parts, dipropylene glycol methyl ether acetate 27 parts, special
Determine synthetics 20 parts, Starch synthesis agent 12 parts；
Described specific synthetics is in units of weight portion, including following raw material: regulator 18 parts, propellant 15 parts, coupling agent a
12 parts, compatilizer 15 parts, plasticizer 10 parts, antioxidant 12 parts, flocculation agent 8 parts, terminator 4 parts；
Described Plant fiber is pine cellulosic；
Described regulator is ACR；
Described propellant is aerogel generating agent；
Described coupling agent a is aluminate coupling agent；
Described compatilizer is acrylic type compatilizer；
Described plasticizer is dicyclohexyl phthalate；
Described antioxidant is antioxidant 1076；
Described flocculation agent is aluminium polychlorid；
Described terminator is wood tar；
Described Starch synthesis agent is in units of weight portion, including following raw material: starch 125 parts, epoxy acrylate 15 parts, N, N-
Dimethyl acetylamide 12 parts, epoxy chlorobutane 5 parts, 2.6 parts of carbamide, paste agent 1.8 parts, coupling agent b 0.5 part, initiator 0.2
Part, catalyst 0.1 part, stabilizer 0.3 part, defoamer 0.6 part, plasticizer 0.7 part, toughener 0.5 part, viscosifier 0.4 part,
Water-proofing agent 0.3 part, antibacterial 0.2 part；
Described coupling agent b is 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-；
Described initiator is azo two isopropylformic acid. (acrylic acid ethylene glycol) ester；
Described catalyst is platinum catalyst；
Described stabilizer is organic tin stabilizer；
Described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether；
Described plasticizer is dicyclohexyl phthalate；
Described toughener is poly-propylene diene rubber；
Described viscosifier are propyl trimethoxy silicane；
Described water-proofing agent is boric acid；
Described antibacterial is lithium carbonate；
The preparation method of described high performance 3 d printing wood plastic composite, comprises the following steps:
S1: the Plant fiber selected pulverized, cross 100 mesh sieve, prepare powder, described powder is dried 2.5h, control at 92 DEG C
Moisture processed is 0.05%, prepares primary raw material Plant fiber's powder；
S2: add polyolefin plastics powder, polylactic acid, dimerization phosphorus in primary raw material Plant fiber's powder that step S1 prepares
Acid potassium, dipropylene glycol methyl ether acetate, specific synthetics, be warming up to 190 DEG C, and under rotating speed is 300r/min, stirring melts
2.5h, is then cooled to room temperature, and prepares modified Plant fiber 3D and prints secondary-material；
The preparation method of described specific synthetics, comprises the following steps:
S21: propellant, coupling agent a, compatilizer, antioxidant mixing are warming up to 122 DEG C is anti-under rotating speed is 200r/min
Answer 65 min, prepare material A；
S22: be warming up to 151 DEG C after adding regulator, flocculation agent mixing in the material A that step S21 prepares, at rotating speed be
React 190 min under 300r/min, prepare material B；
S23: be cooled to 118 DEG C after adding plasticizer, terminator mixing in the material B that step S22 prepares, at rotating speed be
React 100 min under 200r/min, prepare specific synthetics；
S3: modified Plant fiber 3D step S2 prepared prints secondary-material and pulverizes at temperature is-100 DEG C, adds and forms sediment
Powder synthetics mix homogeneously, puts into mix homogeneously mixture in screw extruding forming machine, is 196 DEG C in temperature, and rotating speed is
Under 112r/min, through extruding strand, prepare high performance 3 d printing wood plastic composite；
The preparation method of described Starch synthesis agent, comprises the following steps:
S31: compound concentration be 22Be ', pH value be the starch slurry a of 3.6；
S32: to step S31 prepare starch slurry a in add concentration be 9% epoxy acrylate, N,N-dimethylacetamide,
Coupling agent b, catalyst, be then 52 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 2.8h under 90r/min, prepares
Slurry b；
S33: adding paste agent in the slurry b that step S32 prepares, regulation pH value is 9.5, is subsequently added into epoxy chlorobutane, urine
Element, initiator, plasticizer, toughener, viscosifier, water-proofing agent, antibacterial, be then 60 DEG C in temperature, and speed of agitator is 100r/
Carry out cross-linking reaction 1.6h under min, prepare slurry c；
S34: added stabilizer in slurry c step S33 prepared, regulation pH value is 8.3, is warming up to 75 DEG C, gelatinizing 52min,
Gelatinizing is down to 30 DEG C after terminating, add defoamer, stirs 9min, prepare Starch synthesis agent under rotating speed is 120r/min.
Embodiment 2
A kind of high performance 3 d printing wood plastic composite, in units of weight portion, including following raw material: Plant fiber's powder 97
Part, 115 parts of polyolefin plastics powder, polylactic acid 39 parts, two PA 800K 25 parts, dipropylene glycol methyl ether acetate 27 parts, specific
Synthetics 16 parts, Starch synthesis agent 8 parts；
Described specific synthetics is in units of weight portion, including following raw material: regulator 15 parts, propellant 13 parts, coupling agent a
11 parts, compatilizer 14 parts, plasticizer 10 parts, antioxidant 8 parts, flocculation agent 7 parts, terminator 3 parts；
Described Plant fiber is pine cellulosic；
Described regulator is ACR；
Described propellant is aerogel generating agent；
Described coupling agent a is aluminate coupling agent；
Described compatilizer is acrylic type compatilizer；
Described plasticizer is dicyclohexyl phthalate；
Described antioxidant is antioxidant 1076；
Described flocculation agent is aluminium polychlorid；
Described terminator is wood tar；
Described Starch synthesis agent is in units of weight portion, including following raw material: starch 90 parts, epoxy acrylate 12 parts, N, N-
Dimethyl acetylamide 9 parts, epoxy chlorobutane 3 parts, 1.8 parts of carbamide, paste agent 1.2 parts, coupling agent b 0.3 part, initiator 0.2
Part, catalyst 0.1 part, stabilizer 0.2 part, defoamer 0.4 part, plasticizer 0.5 part, toughener 0.3 part, viscosifier 0.3 part,
Water-proofing agent 0.2 part, antibacterial 0.2 part；
Described coupling agent b is 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-；
Described initiator is azo two isopropylformic acid. (acrylic acid ethylene glycol) ester；
Described catalyst is platinum catalyst；
Described stabilizer is organic tin stabilizer；
Described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether；
Described plasticizer is dicyclohexyl phthalate；
Described toughener is poly-propylene diene rubber；
Described viscosifier are propyl trimethoxy silicane；
Described water-proofing agent is boric acid；
Described antibacterial is lithium carbonate；
The preparation method of described high performance 3 d printing wood plastic composite, comprises the following steps:
S1: the Plant fiber selected pulverized, cross 80 mesh sieve, prepare powder, described powder is dried 2.8h at 88 DEG C, controls
Moisture is 0.04%, prepares primary raw material Plant fiber's powder；
S2: add polyolefin plastics powder, polylactic acid, dimerization phosphorus in primary raw material Plant fiber's powder that step S1 prepares
Acid potassium, dipropylene glycol methyl ether acetate, specific synthetics, be warming up to 185 DEG C, and under rotating speed is 200r/min, stirring melts
3.2h, is then cooled to room temperature, and prepares modified Plant fiber 3D and prints secondary-material；
The preparation method of described specific synthetics, comprises the following steps:
S21: propellant, coupling agent a, compatilizer, antioxidant mixing are warming up to 116 DEG C is anti-under rotating speed is 200r/min
Answer 75 min, prepare material A；
S22: be warming up to 144 DEG C after adding regulator, flocculation agent mixing in the material A that step S21 prepares, at rotating speed be
React 237 min under 200r/min, prepare material B；
S23: be cooled to 114 DEG C after adding plasticizer, terminator mixing in the material B that step S22 prepares, at rotating speed be
React 129 min under 200r/min, prepare specific synthetics；
S3: modified Plant fiber 3D step S2 prepared prints secondary-material and pulverizes at temperature is-92 DEG C, adds starch
Synthetics mix homogeneously, puts into mix homogeneously mixture in screw extruding forming machine, is 189 DEG C in temperature, and rotating speed is 102r/
Under min, through extruding strand, prepare high performance 3 d printing wood plastic composite；
The preparation method of described Starch synthesis agent, comprises the following steps:
S31: compound concentration be 18Be ', pH value be the starch slurry a of 3.4；
S32: to step S31 prepare starch slurry a in add concentration be 6% epoxy acrylate, N,N-dimethylacetamide,
Coupling agent b, catalyst, be then 48 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 3.2h under 80r/min, prepares
Slurry b；
S33: adding paste agent in the slurry b that step S32 prepares, regulation pH value is 9.3, is subsequently added into epoxy chlorobutane, urine
Element, initiator, plasticizer, toughener, viscosifier, water-proofing agent, antibacterial, be then 57 DEG C in temperature, and speed of agitator is 80r/
Carry out cross-linking reaction 1.7h under min, prepare slurry c；
S34: added stabilizer in slurry c step S33 prepared, regulation pH value is 8.1, is warming up to 72 DEG C, gelatinizing 53min,
Gelatinizing is down to 29 DEG C after terminating, add defoamer, stirs 11min, prepare Starch synthesis agent under rotating speed is 90r/min.
Embodiment 3
A kind of high performance 3 d printing wood plastic composite, in units of weight portion, including following raw material: Plant fiber's powder
136 parts, 150 parts of polyolefin plastics powder, polylactic acid 55 parts, two PA 800K 34 parts, dipropylene glycol methyl ether acetate 32 parts, special
Determine synthetics 24 parts, Starch synthesis agent 15 parts；
Described specific synthetics is in units of weight portion, including following raw material: regulator 22 parts, propellant 19 parts, coupling agent a
14 parts, compatilizer 17 parts, plasticizer 13 parts, antioxidant 15 parts, flocculation agent 10 parts, terminator 6 parts；
Described Plant fiber is pine cellulosic；
Described regulator is ACR；
Described propellant is aerogel generating agent；
Described coupling agent a is aluminate coupling agent；
Described compatilizer is acrylic type compatilizer；
Described plasticizer is dicyclohexyl phthalate；
Described antioxidant is antioxidant 1076；
Described flocculation agent is aluminium polychlorid；
Described terminator is wood tar；
Described Starch synthesis agent is in units of weight portion, including following raw material: starch 150 parts, epoxy acrylate 18 parts, N, N-
Dimethyl acetylamide 15 parts, epoxy chlorobutane 6 parts, 3.8 parts of carbamide, paste agent 2.4 parts, coupling agent b 0.7 part, initiator 0.3
Part, catalyst 0.2 part, stabilizer 0.4 part, defoamer 0.8 part, plasticizer 0.9 part, toughener 0.6 part, viscosifier 0.5 part, resistance to
0.4 part of water preparation, antibacterial 0.3 part；
Described coupling agent b is 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-；
Described initiator is azo two isopropylformic acid. (acrylic acid ethylene glycol) ester；
Described catalyst is platinum catalyst；
Described stabilizer is organic tin stabilizer；
Described defoamer is polyoxyethylene polyoxypropylene tetramethylolmethane ether；
Described plasticizer is dicyclohexyl phthalate；
Described toughener is poly-propylene diene rubber；
Described viscosifier are propyl trimethoxy silicane；
Described water-proofing agent is boric acid；
Described antibacterial is lithium carbonate；
The preparation method of described high performance 3 d printing wood plastic composite, comprises the following steps:
S1: the Plant fiber selected pulverized, cross 120 mesh sieve, prepare powder, described powder is dried 2h at 95 DEG C, controls
Moisture is 0.03%, prepares primary raw material Plant fiber's powder；
S2: add polyolefin plastics powder, polylactic acid, dimerization phosphorus in primary raw material Plant fiber's powder that step S1 prepares
Acid potassium, dipropylene glycol methyl ether acetate, specific synthetics, be warming up to 209 DEG C, and under rotating speed is 400r/min, stirring melts
1.5h, is then cooled to room temperature, and prepares modified Plant fiber 3D and prints secondary-material；
The preparation method of described specific synthetics, comprises the following steps:
S21: propellant, coupling agent a, compatilizer, antioxidant mixing are warming up to 126 DEG C is anti-under rotating speed is 300r/min
Answer 54min, prepare material A；
S22: be warming up to 153 DEG C after adding regulator, flocculation agent mixing in the material A that step S21 prepares, at rotating speed be
React 141 min under 400r/min, prepare material B；
S23: be cooled to 123 DEG C after adding plasticizer, terminator mixing in the material B that step S22 prepares, at rotating speed be
React 61 min under 300r/min, prepare specific synthetics；
S3: modified Plant fiber 3D step S2 prepared prints secondary-material and pulverizes at temperature is-117 DEG C, adds and forms sediment
Powder synthetics mix homogeneously, puts into mix homogeneously mixture in screw extruding forming machine, is 206 DEG C in temperature, and rotating speed is
Under 13r/min, through extruding strand, prepare high performance 3 d printing wood plastic composite；
The preparation method of described Starch synthesis agent, comprises the following steps:
S31: compound concentration be 27Be ', pH value be the starch slurry a of 3.7；
S32: to step S31 prepare starch slurry a in add concentration be 11% epoxy acrylate, N,N-dimethylacetamide,
Coupling agent b, catalyst, be then 55 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction 2.4h under 100r/min, prepares
Slurry b；
S33: adding paste agent in the slurry b that step S32 prepares, regulation pH value is 9.7, is subsequently added into epoxy chlorobutane, urine
Element, initiator, plasticizer, toughener, viscosifier, water-proofing agent, antibacterial, be then 63 DEG C in temperature, and speed of agitator is 120r/
Carry out cross-linking reaction 1.4h under min, prepare slurry c；
S34: added stabilizer in slurry c step S33 prepared, regulation pH value is 8.4, is warming up to 78 DEG C, gelatinizing 48min,
Gelatinizing is down to 32 DEG C after terminating, add defoamer, stirs 7min, prepare Starch synthesis agent under rotating speed is 130r/min.
Detecting the high performance 3 d printing wood plastic composite performance in embodiment 1-3, result is as shown in the table.
Above content is it cannot be assumed that the present invention is embodied as being confined to these explanations, for the technical field of the invention
Those of ordinary skill for, without departing under present inventive concept premise, it is also possible to make some simple deduction or replace, all answer
When being considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (7)
1. a high performance 3 d printing wood plastic composite, it is characterised in that in units of weight portion, including following raw material:
Plant fiber's powder 97-136 part, polyolefin plastics powder 115-150 part, polylactic acid 39-55 part, two PA 800K 25-34 parts,
Dipropylene glycol methyl ether acetate 27-32 part, specific synthetics 16-24 part, Starch synthesis agent 8-15 part；
Described specific synthetics is in units of weight portion, including following raw material: regulator 15-22 part, propellant 13-19 part, idol
Connection agent a 11-14 part, compatilizer 14-17 part, plasticizer 10-13 part, antioxidant 8-15 part, flocculation agent 7-10 part, terminator
3-6 part；
Described Plant fiber is pine cellulosic；
Described regulator is ACR；
Described propellant is aerogel generating agent；
Described coupling agent a is aluminate coupling agent；
Described compatilizer is acrylic type compatilizer；
Described plasticizer is dicyclohexyl phthalate；
Described antioxidant is antioxidant 1076；
Described flocculation agent is aluminium polychlorid；
Described terminator is wood tar；
Described Starch synthesis agent is in units of weight portion, including following raw material: starch 90-150 part, epoxy acrylate 12-18
Part, N,N-dimethylacetamide 9-15 part, epoxy chlorobutane 3-6 part, carbamide 1.8-3.8 part, paste agent 1.2-2.4 part, coupling
Agent b 0.3-0.7 part, initiator 0.2-0.3 part, catalyst 0.1-0.2 part, stabilizer 0.2-0.4 part, defoamer 0.4-0.8
Part, plasticizer 0.5-0.9 part, toughener 0.3-0.6 part, viscosifier 0.3-0.5 part, water-proofing agent 0.2-0.4 part, antibacterial
0.2-0.3 part；
Described coupling agent b is 2,5-dimethyl-2, double (benzoyl the peroxide)-hexane of 5-；
Described initiator is azo two isopropylformic acid. (acrylic acid ethylene glycol) ester；
Described catalyst is platinum catalyst；
Described plasticizer is dicyclohexyl phthalate；
The preparation method of described high performance 3 d printing wood plastic composite, comprises the following steps:
S1: the Plant fiber selected pulverized, cross 80-120 mesh sieve, prepare powder, described powder is dried 2-at 88-95 DEG C
2.8h, control moisture, below 0.05%, prepares primary raw material Plant fiber's powder；
S2: add polyolefin plastics powder, polylactic acid, dimerization phosphorus in primary raw material Plant fiber's powder that step S1 prepares
Acid potassium, dipropylene glycol methyl ether acetate, specific synthetics, be warming up to 185-209 DEG C, stirs under rotating speed is 200-400r/min
Melt 1.5-3.2h, be then cooled to room temperature, prepare modified Plant fiber 3D and print secondary-material；
The preparation method of described specific synthetics, comprises the following steps:
S21: propellant, coupling agent a, compatilizer, antioxidant mixing are warming up to 116-126 DEG C, are 200-300r/ at rotating speed
React 54-75 min under min, prepare material A；
S22: be warming up to 144-153 DEG C after adding regulator, flocculation agent mixing in the material A that step S21 prepares, at rotating speed be
React 141-237 min under 200-400r/min, prepare material B；
S23: be cooled to 114-123 DEG C after adding plasticizer, terminator mixing in the material B that step S22 prepares, at rotating speed be
React 61-129 min under 200-300r/min, prepare specific synthetics；
S3: modified Plant fiber 3D step S2 prepared prints secondary-material and pulverizes at temperature is-92--117 DEG C, adds
Enter Starch synthesis agent mix homogeneously, mix homogeneously mixture put in screw extruding forming machine, be 189-206 DEG C in temperature,
Rotating speed is under 102-113r/min, through extruding strand, prepares high performance 3 d printing wood plastic composite；
The preparation method of described Starch synthesis agent, comprises the following steps:
S31: compound concentration be 18-27Be ', pH value be the starch slurry a of 3.4-3.7；
S32: adding concentration in the starch slurry a that step S31 prepares is the epoxy acrylate of 6%-11%, N, N-dimethylacetamide
Amine, coupling agent b, catalyst, be then 48-55 DEG C in temperature, and speed of agitator is to carry out cross-linked graft reaction under 80-100r/min
2.4-3.2h, prepares slurry b；
S33: adding paste agent in the slurry b that step S32 prepares, regulation pH value is 9.3-9.7, is subsequently added into epoxy neoprene
Alkane, carbamide, initiator, plasticizer, toughener, viscosifier, water-proofing agent, antibacterial, be then 57-63 DEG C in temperature, and stirring turns
Speed, for carrying out cross-linking reaction 1.4-1.7h under 80-120r/min, prepares slurry c；
S34: added stabilizer in slurry c step S33 prepared, regulation pH value is 8.1-8.4, is warming up to 72-78 DEG C, gelatinizing
48-53min, gelatinizing is down to 29-32 DEG C after terminating, is added defoamer, stirs 7-11min, system under rotating speed is 90-130r/min
Obtain Starch synthesis agent.
High performance 3 d printing wood plastic composite the most according to claim 1, it is characterised in that described stabilizer is organic
Stannum stabilizer.
High performance 3 d printing wood plastic composite the most according to claim 1, it is characterised in that described defoamer is polyoxy
Ethylene polyoxypropylene tetramethylolmethane ether.
High performance 3 d printing wood plastic composite the most according to claim 1, it is characterised in that described toughener is poly-third
Diene rubber.
High performance 3 d printing wood plastic composite the most according to claim 1, it is characterised in that described viscosifier are propyl group
Trimethoxy silane.
High performance 3 d printing wood plastic composite the most according to claim 1, it is characterised in that described water-proofing agent is boron
Acid.
High performance 3 d printing wood plastic composite the most according to claim 1, it is characterised in that described antibacterial is carbonic acid
Lithium.
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| CN201610902900.4A CN106317638A (en) | 2016-10-17 | 2016-10-17 | High-performance wood-plastic composite material for 3D (three-dimensional) printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833001A (en) * | 2017-03-12 | 2017-06-13 | 广西丰达三维科技有限公司 | A kind of printing of high impact properties bamboo moulding material |
| CN106867215A (en) * | 2017-03-12 | 2017-06-20 | 广西丰达三维科技有限公司 | A kind of stone Wood-plastic material strong with toughness and its application |
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| CN104356618A (en) * | 2014-10-29 | 2015-02-18 | 衢州学院 | Biomass wood-plastic composite material for 3D (three-dimensional) printing and preparation method for biomass wood-plastic composite material |
| CN105925003A (en) * | 2016-07-12 | 2016-09-07 | 广西南宁桂尔创环保科技有限公司 | Environment-friendly 3D printing material |
| CN106009750A (en) * | 2016-07-12 | 2016-10-12 | 广西南宁桂尔创环保科技有限公司 | Novel wood-plastic material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104356618A (en) * | 2014-10-29 | 2015-02-18 | 衢州学院 | Biomass wood-plastic composite material for 3D (three-dimensional) printing and preparation method for biomass wood-plastic composite material |
| CN105925003A (en) * | 2016-07-12 | 2016-09-07 | 广西南宁桂尔创环保科技有限公司 | Environment-friendly 3D printing material |
| CN106009750A (en) * | 2016-07-12 | 2016-10-12 | 广西南宁桂尔创环保科技有限公司 | Novel wood-plastic material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833001A (en) * | 2017-03-12 | 2017-06-13 | 广西丰达三维科技有限公司 | A kind of printing of high impact properties bamboo moulding material |
| CN106867215A (en) * | 2017-03-12 | 2017-06-20 | 广西丰达三维科技有限公司 | A kind of stone Wood-plastic material strong with toughness and its application |
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Application publication date: 20170111 |