A kind of light-sensitive material containing LDPE and preparation method thereofTechnical field
The present invention relates to resin material and preparation method thereof, be specifically related to a kind of light-sensitive material containing LDPE and preparation thereofMethod.
Background technology
Nineteen sixty-eight, Bayer A.G developed the first generation ultra-violet curing of polyester/polystyrene systems
Coating, opens the gate of photocuring technology industry, and along with the development of science and technology, photocuring technology is applied from printing the earliestSheet material, photoresist development constantly expand to photocureable coating, ink, adhesive, application.3D prints and applies as this technologyEmerging field, had certain application range, photosensitive resin as photocuring 3D print raw material, its liquid photosensitive resin is formerExpect after illumination causes crosslinking curing, form solidification solid.Traditional photosensitive resin, after allotment photocuring, does not haveThe mechanical characteristic of various plastics, has many shortcomings.Routine use cannot be met.
Photosensitive resin formulation is simply simply allocated by prior art, and after not solidifying it, mechanical property provides concreteTest, the performance of the plastic product after its solidification can not meet multiple requirement.After liquid photosensitive resin aggregates into solid-state, do not haveThere is the mechanical characteristic of present all types of plastic goods, such as poor tensile strength, the yielding decomposition of high temperature, the flexible shortcoming such as poor, frangible.
Summary of the invention
It is an object of the invention to overcome defect of the prior art, design a kind of light-sensitive material containing LDPE and system thereofPreparation Method, after the compositional refinements of the present invention, the solid-state light-sensitive material after polymerization has the mechanical characteristic of all types of plastic goods, especiallyIt has splendid elastic modelling quantity, hot strength, heat-resisting quantity, density of material, it is possible to meet in various application scenario plasticsThe performance requirement of goods.
For achieving the above object, the technical solution adopted in the present invention is a kind of light-sensitive material containing LDPE, described lightQuick material be LDPE grain dissolution is stirred in the mixed solution of IBOMA, TMPTA, TPGDA, EOEOEA, LA after, then addThe light-sensitive material obtained after resin；
Described light-sensitive material is the liquid photosensitive resin for preparing plastic；
The elastic modulus E of described light-sensitive material test is 3.1-3.28GPa.
The present invention discloses the preparation method of a kind of light-sensitive material containing LDPE, the step of described preparation methodFor:
(1) monomer IBOMA, TMPTA, TPGDA, EOEOEA, LA are sequentially added into mix homogeneously in stirred tank；
(2) in stirred tank, LDPE granule is added；
(3) heated and stirred still, stirring simultaneously makes LDPE granule be completely dissolved；
(4) adding resin in reactor, heated and stirred still stirs simultaneously, and material stirring is uniform；
(5) described light-sensitive material is obtained after standing；
(6) take step gained light-sensitive material use 3D printer according to GB/T 1040-92 standard draw a design test product whether closeLattice.
Preferably, in step (1), the volume mixture ratio of 5 kinds of monomers is (2.5-3.5): 1:1:(1.5-2.5): (1.5-2.5).
Preferably, the volume of LDPE granule and five kinds of monomers IBOMA, TMPTA, TPGDA, EOEOEA, LA in step (2)The ratio of volume summation is (0.5-1.5): 11.
Preferably, in step (3), the temperature of heated and stirred still is 37-43 DEG C, and the rotating speed of stirring is 85-115 rev/min,Mixing time is 38-58 hour.
Preferably, the resin added in step (4) is urethane acrylate, urethane acrylate, polyurethane propyleneThe mixture of acid esters.
Preferably, the mass ratio of existing material is 8:(1-to the quality of the resin added in step (4) with reactor3).
Preferably, urethane acrylate, urethane acrylate, polyurethane propylene in the resin added in step (4)The volume ratio of acid esters is 3:(0.2-1): (0.2-1).
Preferably, in step (4), the temperature of heated and stirred still is 53-67 DEG C, and the rotating speed of stirring is 85-115 rev/min,Mixing time is 8-16 hour.
It is further preferred that the volume mixture ratio of 5 kinds of monomers is 3:1:1:2:2 in step (1)；Step (4) addsResin in urethane acrylate, urethane acrylate, the volume ratio of urethane acrylate be 3:0.5:0.5.
Advantages of the present invention and having the beneficial effects that:
After the compositional refinements of the present invention, the solid-state light-sensitive material after polymerization has the mechanical characteristic of all types of plastic goods, especiallyThere is splendid elastic modelling quantity, hot strength, heat-resisting quantity, density of material, it is possible to meet in various application scenario plastics systemThe performance requirement of product.
The test result of its Elastic Modulus is 3.1-3.28GPa；Hot strength reaches 40.5Mpa；Without bright during 170 DEG C of stressAobvious deformation；Density is 0.95g/m；There is the performance of excellence.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described.Following example are only used for moreAdd and clearly demonstrate technical scheme, and can not limit the scope of the invention with this.
Embodiment 1
The present embodiment is the preparation method of a kind of light-sensitive material containing LDPE, and the step of described preparation method is:
(1) monomer IBOMA, TMPTA, TPGDA, EOEOEA, LA are sequentially added into mix homogeneously in stirred tank；The body of 5 kinds of monomersLong-pending mixed proportion is 3:1:1:2:2.
(2) in stirred tank, LDPE granule is added；The volume of LDPE granule and five kinds of monomer IBOMA, TMPTA, TPGDA,The ratio of the volume summation of EOEOEA, LA is 1:11.
(3) heated and stirred still, stirring simultaneously makes LDPE granule be completely dissolved；The temperature of heated and stirred still is 40 DEG C, stirringRotating speed be 100 revs/min, mixing time is 48 hours.
(4) adding resin in reactor, heated and stirred still stirs simultaneously, and material stirring is uniform；The resin added isUrethane acrylate, urethane acrylate, the mixture of urethane acrylate.
The mass ratio of existing material is 8:2 to the quality of the resin added with reactor.Polyurethane in the resin addedAcrylate, urethane acrylate, the volume ratio of urethane acrylate are 3:0.5:0.5.
The temperature of heated and stirred still is 60 DEG C, and the rotating speed of stirring is 100 revs/min, and mixing time is 12 hours.
(5) described light-sensitive material is obtained after standing；Time of repose is 48 hours.
(6) take step gained light-sensitive material and use 3D printer draws a design whether test product according to GB/T 1040-92 standardQualified.
Test product step (6) prepared, carries out performance test as follows:
A, Mechanics Performance Testing；Equipment: electronic universal tester.The test result of elastic modelling quantity is 3.28GPa.
B, Mechanics Performance Testing；Equipment: electronic universal tester.The test result of hot strength is 40.5Mpa
C, thermo-mechanical analysis: equipment oven heat, counterweight.Counterweight is hung, without substantially becoming when being heated to 170 DEG C of stress in product lower endShape.
D, density measure: powder specific weight determine.The density of product test is 0.95g/m.
It follows that the solid-state light-sensitive material after the polymerization prepared of the present embodiment has preferable mechanical characteristic, especially haveThere are splendid elastic modelling quantity, hot strength, heat-resisting quantity, density of material, it is possible to meet in various application scenario plasticPerformance requirement.
Embodiment 2
A kind of preparation method of the light-sensitive material containing LDPE, the step of described preparation method is:
(1) monomer IBOMA, TMPTA, TPGDA, EOEOEA, LA are sequentially added into mix homogeneously in stirred tank；The body of 5 kinds of monomersLong-pending mixed proportion is 2.5:1:1:2.5:1.5.
(2) in stirred tank, LDPE granule is added；The volume of LDPE granule and five kinds of monomer IBOMA, TMPTA, TPGDA,The ratio of the volume summation of EOEOEA, LA is 0.5:11.
(3) heated and stirred still, stirring simultaneously makes LDPE granule be completely dissolved；The temperature of heated and stirred still is 37 DEG C, stirringRotating speed be 115 revs/min, mixing time is 58 hours.
(4) adding resin in reactor, heated and stirred still stirs simultaneously, and material stirring is uniform；The resin added isUrethane acrylate, urethane acrylate, the mixture of urethane acrylate.
The mass ratio of existing material is 8:1 to the quality of the resin added with reactor.Polyurethane in the resin addedAcrylate, urethane acrylate, the volume ratio of urethane acrylate are 3:0.2:1.
The temperature of heated and stirred still is 53 DEG C, and the rotating speed of stirring is 115 revs/min, and mixing time is 16 hours.
(5) described light-sensitive material is obtained after standing；Time of repose is 48 hours.
(6) take step gained light-sensitive material and use 3D printer draws a design whether test product according to GB/T 1040-92 standardQualified.
Embodiment 3
A kind of preparation method of the light-sensitive material containing LDPE, the step of described preparation method is:
(1) monomer IBOMA, TMPTA, TPGDA, EOEOEA, LA are sequentially added into mix homogeneously in stirred tank；The body of 5 kinds of monomersLong-pending mixed proportion is 3.5:1:1:1.5:1.5.
(2) in stirred tank, LDPE granule is added；The volume of LDPE granule and five kinds of monomer IBOMA, TMPTA, TPGDA,The ratio of the volume summation of EOEOEA, LA is 1.5:11.
(3) heated and stirred still, stirring simultaneously makes LDPE granule be completely dissolved；The temperature of heated and stirred still is 43 DEG C, stirringRotating speed be 85 revs/min, mixing time is 38 hours.
(4) adding resin in reactor, heated and stirred still stirs simultaneously, and material stirring is uniform；The resin added isUrethane acrylate, urethane acrylate, the mixture of urethane acrylate.
The mass ratio of existing material is 8:3 to the quality of the resin added with reactor.Polyurethane in the resin addedAcrylate, urethane acrylate, the volume ratio of urethane acrylate are 3:1:0.2.
The temperature of heated and stirred still is 67 DEG C, and the rotating speed of stirring is 85 revs/min, and mixing time is 8 hours.
(5) described light-sensitive material is obtained after standing；Time of repose is 48 hours.
(6) take step gained light-sensitive material and use 3D printer draws a design whether test product according to GB/T 1040-92 standardQualified.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the artFor Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvements and modifications, these improvements and modificationsAlso should be regarded as protection scope of the present invention.