CN109810438A - The preparation method of super hydrophobic polyurethane material - Google Patents
The preparation method of super hydrophobic polyurethane material Download PDFInfo
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- CN109810438A CN109810438A CN201910040443.6A CN201910040443A CN109810438A CN 109810438 A CN109810438 A CN 109810438A CN 201910040443 A CN201910040443 A CN 201910040443A CN 109810438 A CN109810438 A CN 109810438A
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Abstract
The present invention relates to a kind of preparation methods of super hydrophobic polyurethane material, belong to polyurethane foam field；It is made of tri- component of A, B and C, wherein component A is prepared from the following materials: 50-100 parts of nanoscale polytetrafluoroethylene (PTFE), nanometer or 50-100 parts of micro materials, 10-50 parts of silane coupling agent, B component is prepared from the following materials: 1:50-200 parts of polyethers, 2:50-200 parts of polyethers, 20-100 parts of TDI compositions；C component is prepared from the following materials: 100-500 parts of resin, 20-200 parts of reactive diluent, 2-20 parts of UV resistant agent, 20-200 parts of curing agent.The preparation method of super hydrophobic polyurethane material prepared by the present invention, the product of preparation have excellent waterproof and mechanical property, and Ageing-resistant corrosion-resistant abrasive resistance is strong.
Description
Technical field
The present invention relates to a kind of preparation methods of super hydrophobic polyurethane material, belong to polyurethane foam field.
Background technique
With the continuous improvement of production technology, the waterproof and excellent in mechanical performance of polyurethane coating, especially super-hydrophobic table
Finishing coat is even more the concern by scientific and technological circle.So-called super hydrophobic surface refers generally to be greater than 150 °, and roll angle with the contact angle of water
Surface less than 10 °.
Super hydrophobic material is in waterproof, and grease proofing, medical, military domain has important role, and there are also self for super hydrophobic material clearly
Clean, anti-corrosion, antifouling characteristic is increasingly valued by people.
This patent is intended to study a kind of preparation method of super hydrophobic material, there is excellent waterproof and mechanical property, ageing-resistant
It is corrosion-resistant.
Summary of the invention
It is insufficient according to prior art, the technical problem to be solved by the present invention is providing a kind of super hydrophobic polyurethane material
Preparation method, the product of preparation has excellent waterproof and mechanical property, Ageing-resistant corrosion-resistant.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of preparation of super hydrophobic polyurethane material
Method is made of tri- component of A, B and C, and wherein component A is prepared from the following materials:
50-100 parts of nanoscale polytetrafluoroethylene (PTFE),
Nanometer or 50-100 parts of micro materials,
10-50 parts of silane coupling agent,
B component is prepared from the following materials:
1 50-200 parts of polyethers,
2 50-200 parts of polyethers,
20-100 parts of TDI compositions；
C component is prepared from the following materials:
100-500 parts of resin,
20-200 parts of reactive diluent,
2-20 parts of UV resistant agent,
20-200 parts of curing agent.
The nanometer or micro materials is Nano-meter SiO_22, nanometer ZrO2, nano-TiO2, micron TiO2, micron CaCO3Or it receives
Rice CaCO3。
The silane coupling agent is three (β-of vinyltriethoxysilane, vinyltrimethoxysilane or vinyl
Methoxyethoxy) silane.
The degree of functionality of the polyethers 1 is 2, molecular weight 1000-12000.
The degree of functionality of the polyethers 2 is 3, molecular weight 1000-12000.
The resin is acrylic resin, alkyd resin or polyurethane resin.
The reactive diluent be butanol, isooctanol, alkyl phenol, alkylidene glycidol ether, certain herbaceous plants with big flowers acid glycidyl ester,
Toluene glycidol ether or trihydroxymethylpropanyltri diglycidyl ether.
The curing agent is kitimine, modified m-xylene diamine, different Buddhist diketone diamines, heterocyclic polyamines, mercaptan
Class or anhydride modified compound.
The UV resistant agent is UV327, UV328, UV531 or UV326.
The beneficial effects of the present invention are:
1, the preparation method of super hydrophobic polyurethane material prepared by the present invention, the product of preparation have excellent waterproof and mechanics
Performance, Ageing-resistant corrosion-resistant abrasive resistance are strong；
2, the formula of the invention is reasonable, economizes on resources, at the same compared with the existing technology for it is more environmentally-friendly.
3, product of the invention has excellent waterproof, antifouling, anti-corrosion, automatically cleaning, anti-oxidation characteristics.
4, product processes of the invention are simple and easy, and raw material is easy to get, economic and environment-friendly.
5, in terms of being applied to coating, it is applied to the wheel antifouling anti-corrosion of barnacle, can be effectively prevent applied to petroleum transportation pipeline
Petroleum sticks duct wall, reduces loss.The resistance that water can be reduced for submerged delivery vehicle can disappear for micro syringe needle point
It except expensive drugs sticking on needle point and is lost, and thus needle point bring is polluted.
Specific embodiment
The embodiment of the present invention is described further below:
Embodiment 1
A kind of preparation method of super hydrophobic polyurethane material takes 50 parts of nanoscale polytetrafluoroethylene (PTFE), 50 parts of nanometer ZrO2, 10
Part vinyltriethoxysilane is poured into three-necked flask, and 80 DEG C are uniformly mixed and obtain component A for stirring 3 hours.
Polyether polyol DX-1 is taken, 50 parts of (degree of functionality 2, molecular weight 1000), polyether polyol DX-2 (degree of functionality 3, molecule
2000) amount is poured into three-necked flask for 50 parts, heat up 110 DEG C and be dehydrated to moisture less than 0.03%, is cooled down 80 degree and is instilled 100 parts
TDI is stirred to react 2 hours, obtains B component.
Take 100 parts of acrylic resins, 20 parts of alkylidene glycidol ethers, 10 parts of UV resistant agent UV-327,20 parts of modifications
M-xylene diamine, 130 DEG C are stirred to react 3 hours and obtain component C.
A/B/C is mixed to get product.
Embodiment 2
A kind of preparation method of super hydrophobic polyurethane material takes 70 parts of nanoscale polytetrafluoroethylene (PTFE), 70 parts of Nano-meter SiO_2s2, 20
Part vinyltrimethoxysilane pours into three-necked flask, and 90 DEG C are uniformly mixed and obtain component A for stirring 3 hours.
Polyether polyol DX-1 is taken, 100 parts of (degree of functionality 2, molecular weight 4000), polyether polyol DX-2 (degree of functionality 3, point
6000) son amount is poured into three-necked flask for 100 parts, heat up 110 DEG C and be dehydrated to moisture less than 0.03%, is cooled down 90 degree and is instilled 50 parts
TDI is stirred to react 2.5 hours, obtains B component.
Take 500 parts of alkyd resins, 100 parts of trihydroxymethylpropanyltri diglycidyl ethers, 6 parts of UV resistant agent UV-531,90
Part phthalic anhydride, 140 degree are stirred to react 4 hours and obtain component C.
A/B/C is mixed to get product.
Embodiment 3
A kind of preparation method of super hydrophobic polyurethane material takes 100 parts of nanoscale polytetrafluoroethylene (PTFE), 100 parts of microns
CaCO3, 50 parts of vinyl three (beta-methoxy ethyoxyl) silane pour into three-necked flask, and 100 DEG C are uniformly mixed for stirring 3 hours
To component A.
Polyether polyol DX-1 is taken, 200 parts of (degree of functionality 2, molecular weight 8000), polyether polyol DX-2 (degree of functionality 3, point
3000) son amount is poured into three-necked flask for 200 parts, heat up 110 DEG C and be dehydrated to moisture less than 0.03%, is cooled down 100 degree and is instilled 20 parts
TDI is stirred to react 3 hours, obtains B component.
Take 200 parts of epoxy resin, 200 parts of butanol, 2 parts of UV resistant agent UV-326,200 parts of different Buddhist diketone diamines, 150
It DEG C is stirred to react 5 hours and to obtain component C.
A/B/C is mixed to get product.
The product of embodiment 1-3 and comparative example 1-2 are tested for the property, test method is as follows:
(1) wearability test: the 7-IBB type RCA abrasion instrument produced using promise Mann, the U.S., in the pressure of 100g/c ㎡
The surface of the lower friction super hydrophobic material of effect, record super hydrophobic material expose rubber wheel number of revolutions when matrix
(2) resistance to acid and alkali is tested: respectively by 45wt%H2SO4With 45wt%NaOH drop in coating surface, it is placed in temperature 20
DEG C, under the conditions of humidity 80%, observe the variation of coating afterwards for 24 hours, wherein "-" is no significant change, and "+" is to have slightly soluble phenomenon,
" ++ " is that slightly bubbling phenomenon, " +++ " are to have obvious bubbling phenomenon；
(3) comparative example 1 is commercially available common super hydrophobic material, and comparative example 2 is common coating material
Example 1-3 index is significantly better than comparative sample 1-2.
Claims (9)
1. a kind of preparation method of super hydrophobic polyurethane material, it is characterised in that be made of tri- component of A, B and C, wherein component A by
Following raw material is prepared:
50-100 parts of nanoscale polytetrafluoroethylene (PTFE),
Nanometer or 50-100 parts of micro materials,
10-50 parts of silane coupling agent,
B component is prepared from the following materials:
1 50-200 parts of polyethers,
2 50-200 parts of polyethers,
20-100 parts of TDI compositions；
C component is prepared from the following materials:
100-500 parts of resin,
20-200 parts of reactive diluent,
2-20 parts of UV resistant agent,
20-200 parts of curing agent.
2. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that the nanometer or micro-
Rice material is Nano-meter SiO_22, nanometer ZrO2, nano-TiO2, micron TiO2, micron CaCO3Or Nano-meter CaCO33。
3. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that described is silane coupled
Agent is vinyltriethoxysilane, vinyltrimethoxysilane or vinyl three (beta-methoxy ethyoxyl) silane.
4. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that the official of the polyethers 1
Energy degree is 2, molecular weight 1000-12000.
5. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that the official of the polyethers 2
Energy degree is 3, molecular weight 1000-12000.
6. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that the resin is third
Olefin(e) acid resin, alkyd resin or polyurethane resin.
7. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that the activity dilution
Agent is butanol, isooctanol, alkyl phenol, alkylidene glycidol ether, certain herbaceous plants with big flowers acid glycidyl ester, toluene glycidol ether or three hydroxyl first
Base propane triglycidyl ether.
8. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that the curing agent is
Kitimine, modified m-xylene diamine, different Buddhist diketone diamines, heterocyclic polyamines, thio-alcohol or anhydride modified compound.
9. the preparation method of super hydrophobic polyurethane material according to claim 1, it is characterised in that the uvioresistant
Agent is UV327, UV328, UV531 or UV326.
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| CN201910040443.6A CN109810438A (en) | 2019-01-16 | 2019-01-16 | The preparation method of super hydrophobic polyurethane material |
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Application publication date: 20190528 |