CN109762127A - A kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation - Google Patents
A kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation Download PDFInfo
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- CN109762127A CN109762127A CN201811490600.5A CN201811490600A CN109762127A CN 109762127 A CN109762127 A CN 109762127A CN 201811490600 A CN201811490600 A CN 201811490600A CN 109762127 A CN109762127 A CN 109762127A
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Abstract
A kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation of the present invention, steps are as follows: (1) preparing nano inorganic filler, nanoscale SiO2 and nanosized TiO_2 are mixed to get nano inorganic filler；(2) component A is prepared, is mixed polyether polyol, polyadipate-ethylene glycol diol, dioctyl phthalate, diisocyanate to obtain component A；(3) B component is prepared, polyether polyol, ultraviolet absorbing agent UV-9, Isosorbide-5-Nitrae-cyclohexane diisocyanate, 1,4-butanediol, antioxidant 1010, inorganic nano-filler is put into row mixing and obtains B component；(4) component A and B component are put into row mixing in mixing plant, obtain mixture after stirring, mixed liquor is injected in mold, then heats mold, demoulded after chemical conversion type.Inventive formulation is at low cost, environmentally protective, and preparation method is simple, can be mass-produced.
Description
Technical field
The present invention is more particularly directed to a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparations.
Background technique
Thermoplastic polyurethane elastomer is also known as thermoplastic polyurethane rubber, and abbreviation TPU is that a kind of (AB) N-shaped block is linear
Polymer, A are the polyester or polyethers of high molecular weight (1000 ~ 6000), and B is the glycol containing 2 ~ 12 carbons, between AB segment
Chemical structure is diisocyanate.Thermoplastic polyurethane rubber is lightly crosslinked between intermolecular hydrogen bonding crosslinking or macromolecular chain, with
Being raised and lowered for temperature, both cross-linked structures have invertibity.Weaken in molten condition or solution state molecular separating force,
And there is strong molecular separating force to link together after the volatilization of cooling or solvent, restore the performance of original solid.
Thermoplastic polyurethane elastomer (TPU) be a kind of heating can be plasticized, the elastomer that solvent can dissolve, there is height
The excellent comprehensive performance such as intensity, high tenacity, wear-resisting, oil resistant, processing performance is good, is widely used in the row such as national defence, medical treatment, food
Industry.
Now, go deep into scientific research, research and develop a kind of energy-saving and environment-friendly macromolecule TPU polyurethane elastomer preparation side
Method is increasingly by the concern of research staff.
Summary of the invention
The present invention proposes a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation regarding to the issue above.
Specific technical solution is as follows:
A kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation, which is characterized in that steps are as follows:
(1) nano inorganic filler is prepared, nanoscale SiO2 is put into mixing plant with nanosized TiO_2 and is mixed, is mixed
Nano inorganic filler is obtained after closing uniformly；
(2) component A is prepared, by polyether polyol, polyadipate-ethylene glycol diol, dioctyl phthalate, two isocyanides
Acid esters is put into mixing plant and is mixed, and mixing time 1-3H obtains component A after stirring；
(3) B component is prepared, by polyether polyol, ultraviolet absorbing agent UV-9, Isosorbide-5-Nitrae-cyclohexane diisocyanate, Isosorbide-5-Nitrae-fourth two
Alcohol, antioxidant 1010, inorganic nano-filler are put into mixing plant and are mixed, mixing time 2-3H, after stirring
Obtain B component；
(4) component A and B component row mixing, mixing time 1-2H in mixing plant is put into be mixed after stirring
Mixed liquor is injected in mold, then heats mold by material, and heating temperature is 60-90 DEG C, is demoulded after curing molding.
Further, the mass ratio of the component A and the B component is the composition of proportions of 11:2.
Further, the composition of the component A is as follows according to the mass fraction: 35-60 parts of polyether polyol gathers oneself two
Acid -10-20 parts of glycol ester dihydric alcohol, 4-5 parts of dioctyl phthalate, 5-8 parts of diisocyanate.
Further, the composition of the B component is as follows according to the mass fraction: 25-40 parts of polyether polyol, ultraviolet light
5-8 parts of absorbent UV-9,10-14 parts of 1,4- cyclohexane diisocyanate, 2-6 parts of 1,4- butanediol, antioxidant 1010 4-8
Part, 20-30 parts of inorganic nano-filler.
Further, the viscosity of the component A is 500 ~ 10000mPa.s
Further, the viscosity of the B component is 800 ~ 12000mPa.s
Further, the molecular weight of the polyether polyol is 2000-6500.
Further, the inorganic nano-filler is mixed by nanoscale SiO2 with nanosized TiO_2, the nanometer
The mixing quality ratio of SiO2 and nano TiO 2 is 5:3.
Further, the partial size of the inorganic nano-filler is 10-300nm.
The invention has the benefit that
The present invention uses two-component system, and products obtained therefrom wear-resisting property is good, especially uses nano-scale inorganic filler, and inorganic nano is filled out
Material has the characteristics that high-melting-point, high rigidity, wear-resistant, corrosion-resistant and good inoxidizability, and using effect is good, can be significantly
Improving The Quality of Products, inventive formulation is at low cost, environmentally protective, and preparation method is simple, can be mass-produced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of mixing plant of the present invention.
Specific embodiment
Clear to be more clear technical solution of the present invention, the present invention is described further with reference to the accompanying drawing,
The technical characteristic of any pair of technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.Being fixedly connected mentioned in the present invention, fixed setting are the general connection mode in machinery field, welding, glue
Viscous, bolt and nut connection and screw connection.
Description of symbols
Cone tank 1, feed inlet 3, motor 4, the first agitating shaft 5, the second agitating shaft 6, rotation axis 7, link block 8, passes support frame 2
Swing arm 9, support plate 10, stirrer paddle 11, auger leaf 12, discharge port 13, valve 14, curved boom 15.
A kind of thermoplastic low-smoke halide-free CABLE MATERIALS production pretreatment tooling, it is characterised in that including cone tank, support frame,
Feed inlet, support plate, motor, the first agitating shaft, the second agitating shaft, rotation axis, link block, transmission arm, auger leaf, stirring
Blade, discharge port；The cone tank is in inverted pyramidal structure, and support frame as described above quantity is 4 and is perpendicularly fixed at the taper
Bucket surrounding, the support plate are vertically installed in cone tank top；The motor fixed setting is on the supporting plate；The feed inlet is set
It is placed in cone tank top, is located at the motor side；The rotation axis be it is longitudinally disposed, rotation axis upper end is fixedly connected with motor,
Rotation axis lower end is fixedly connected with link block；The link block is in box structure, and link block lower end is fixedly connected with the first agitating shaft；Institute
It states and is vertically equipped with 4 pairs of stirrer paddles on the first agitating shaft；The stirrer paddle is elongated, stirrer paddle from top to bottom length by
It is tapered short；The link block left and right ends are respectively fixedly connected with the transmission arm, and the transmission arm is horizontally disposed, transmission
Arm one end is equipped with curved boom, and the curved boom and transmission arm angle are in 60 °；Two curved boom lower ends are fixedly connected with the second stirring
Axis；Second agitating shaft is downward along cone tank sidewall slope, is fixed with auger leaf on second agitating shaft；It is described
Discharge port is set to cone tank bottom end.
Further, the discharge port is equipped with valve.
Further, support frame as described above is fixed on cone tank surrounding by bolt and nut.
The working principle of mixing plant: in use, material is poured into from feed inlet, restarting motor and carry out working in dispersion,
Motor drives link block rotary work by rotation axis, and link block rotation drives the first agitating shaft to start to rotate, and link block drives
Transmission arm is in the flat rotation of inner bucket water, to make transmission arm that the second agitating shaft be driven to rotate along cone tank arm.After being sufficiently stirred
Material be discharged by the discharge port of cone tank bottom end.
Mixing plant has the beneficial effect that
Using twin screw impeller structure, mix, push effect through rotating vane generate shearing, convection current, diffusion etc. in cone
Compound motion, to achieve the purpose that mixing, simple structure effectively increases productivity.
Mode is combined using screw blade and stirrer paddle, further increases mixing effect, it is dead that mixing can be effectively reduced
Angle, so that material stirring is sufficiently mixed.
Embodiment 1
A kind of preparation process of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation, which is characterized in that step is such as
Under:
(1) nano inorganic filler is prepared, nanoscale SiO2 and nanosized TiO_2 are put into mass ratio for the mixed proportion of 5:3
It is mixed in mixing plant, obtains nano inorganic filler after mixing；
(2) component A is prepared, will: 35 parts of polyether polyol, 10 parts of polyadipate-ethylene glycol diol, phthalic acid two are pungent
4 parts of ester, 5 parts of diisocyanate be put into mixing plant and be mixed, mixing time 1H obtains component A after stirring；
(3) B component is prepared, by 25 parts of polyether polyol, 5 parts of ultraviolet absorbing agent UV-9, Isosorbide-5-Nitrae-cyclohexane diisocyanate 10
Part, 2 parts of 1,4-butanediol, 4 parts of antioxidant 1010,20 parts of inorganic nano-filler be put into mixing plant and be mixed, stir
Time 2H is mixed, obtains B component after stirring；
(4) ratio by component A and B component with mass ratio for 11:2 is put into row mixing, mixing time in mixing plant
1H obtains mixture after stirring, and mixed liquor is injected in mold, then heats mold, and heating temperature is 60 DEG C, Gu
It is demoulded after chemical conversion type.
Embodiment 2
A kind of preparation process of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation, which is characterized in that step is such as
Under:
(1) nano inorganic filler is prepared, nanoscale SiO2 and nanosized TiO_2 are put into mass ratio for the mixed proportion of 5:3
It is mixed in mixing plant, obtains nano inorganic filler after mixing；
(2) component A is prepared, will: 60 parts of polyether polyol, 20 parts of polyadipate-ethylene glycol diol, phthalic acid two are pungent
5 parts of ester, 8 parts of diisocyanate be put into mixing plant and be mixed, mixing time 3H obtains component A after stirring；
(3) B component is prepared, by 40 parts of polyether polyol, 8 parts of ultraviolet absorbing agent UV-9, Isosorbide-5-Nitrae-cyclohexane diisocyanate 14
Part, 6 parts of 1,4-butanediol, 8 parts of antioxidant 1010,30 parts of inorganic nano-filler be put into mixing plant and be mixed, stir
Time 3H is mixed, obtains B component after stirring；
(4) ratio by component A and B component with mass ratio for 11:2 is put into row mixing, mixing time in mixing plant
2H obtains mixture after stirring, and mixed liquor is injected in mold, then heats mold, and heating temperature is 90 DEG C, Gu
It is demoulded after chemical conversion type.
Embodiment 3
A kind of preparation process of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation, which is characterized in that step is such as
Under:
(1) nano inorganic filler is prepared, nanoscale SiO2 and nanosized TiO_2 are put into mass ratio for the mixed proportion of 5:3
It is mixed in mixing plant, obtains nano inorganic filler after mixing；
(2) component A is prepared, will: 40 parts of polyether polyol, 14 parts of polyadipate-ethylene glycol diol, phthalic acid two are pungent
4 parts of ester, 7 parts of diisocyanate be put into mixing plant and be mixed, mixing time 2H obtains component A after stirring；
(3) B component is prepared, by 33 parts of polyether polyol, 6 parts of ultraviolet absorbing agent UV-9, Isosorbide-5-Nitrae-cyclohexane diisocyanate 12
Part, 4 parts of 1,4-butanediol, 5 parts of antioxidant 1010,27 parts of inorganic nano-filler be put into mixing plant and be mixed, stir
Time 2.5H is mixed, obtains B component after stirring；
(4) ratio by component A and B component with mass ratio for 11:2 is put into row mixing, mixing time in mixing plant
1.5H obtains mixture after stirring, and mixed liquor is injected in mold, then heats mold, and heating temperature is 80 DEG C,
It is demoulded after curing molding.
The invention has the benefit that
The present invention uses two-component system, and products obtained therefrom wear-resisting property is good, especially uses nano-scale inorganic filler, and inorganic nano is filled out
Material has the characteristics that high-melting-point, high rigidity, wear-resistant, corrosion-resistant and good inoxidizability, and using effect is good, can be significantly
Improving The Quality of Products, inventive formulation is at low cost, environmentally protective, and preparation method is simple, can be mass-produced.
1 this product performance indicator of table
| Pilot project | Unit | 1 product of embodiment | 2 product of embodiment | 3 product of embodiment | Commercially available TPU material |
| Tensile strength | Mpa | 36.9 | 37.3 | 38.8 | 15.5 |
| Elongation at break | % | 363 | 397 | 432 | 280 |
| Shore hardness | A | 66 | 68 | 69 | 33 |
| Volume density | g/cm3 | 0.7 | 0.6 | 0.66 | 0.5 |
| PH value | 6.3 | 6.2 | 6.1 | 6 | |
| Wear-resisting rate (1.5mm2) | It is secondary | 660 | 630 | 640 | 350 |
Claims (9)
1. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation, which is characterized in that steps are as follows:
(1) nano inorganic filler is prepared, nanoscale SiO2 is put into mixing plant with nanosized TiO_2 and is mixed, is mixed
Nano inorganic filler is obtained after closing uniformly；
(2) component A is prepared, by polyether polyol, polyadipate-ethylene glycol diol, dioctyl phthalate, two isocyanides
Acid esters is put into mixing plant and is mixed, and mixing time 1-3H obtains component A after stirring；
(3) B component is prepared, by polyether polyol, ultraviolet absorbing agent UV-9, Isosorbide-5-Nitrae-cyclohexane diisocyanate, Isosorbide-5-Nitrae-fourth two
Alcohol, antioxidant 1010, inorganic nano-filler are put into mixing plant and are mixed, mixing time 2-3H, after stirring
Obtain B component；
(3) component A and B component row mixing, mixing time 1-2H in mixing plant is put into be mixed after stirring
Mixed liquor is injected in mold, then heats mold by material, and heating temperature is 60-90 DEG C, is demoulded after curing molding.
2. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the mass ratio of the component A and the B component is the composition of proportions of 11:2.
3. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the composition of the component A is as follows according to the mass fraction: 35-60 parts of polyether polyol, polyadipate-glycol ester two
First alcohol 10-20 parts, 4-5 parts of dioctyl phthalate, 5-8 parts of diisocyanate.
4. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the composition of the B component is as follows according to the mass fraction: 25-40 parts of polyether polyol, ultraviolet absorbing agent UV-9 5-8
Part, 10-14 parts of 1,4- cyclohexane diisocyanate, 2-6 parts of 1,4- butanediol, 4-8 parts of antioxidant 1010, inorganic nano-filler
20-30 parts.
5. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the viscosity of the component A is 500 ~ 10000mPa.s.
6. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the viscosity of the B component is 800 ~ 12000mPa.s.
7. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the molecular weight of the polyether polyol is 2000-6500.
8. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the mixing quality ratio of the nanosized SiO_2 and nano TiO 2 is 5:3.
9. a kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation as described in claim 1, feature exist
In the partial size of the inorganic nano-filler is 10-300nm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490600.5A CN109762127A (en) | 2018-12-07 | 2018-12-07 | A kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation |
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| CN201811490600.5A CN109762127A (en) | 2018-12-07 | 2018-12-07 | A kind of energy-saving and environment-friendly macromolecule TPU elastic polyurethane preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094395A (en) * | 2020-08-19 | 2020-12-18 | 王乐 | High-molecular TPU polyurethane elastomer |
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2018
- 2018-12-07 CN CN201811490600.5A patent/CN109762127A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094395A (en) * | 2020-08-19 | 2020-12-18 | 王乐 | High-molecular TPU polyurethane elastomer |
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Application publication date: 20190517 |
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| WD01 | Invention patent application deemed withdrawn after publication |