CN109438651A - A kind of Low temperature resistant high elasticity polyurethane material and preparation method thereof - Google Patents
A kind of Low temperature resistant high elasticity polyurethane material and preparation method thereof Download PDFInfo
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- CN109438651A CN109438651A CN201811446587.3A CN201811446587A CN109438651A CN 109438651 A CN109438651 A CN 109438651A CN 201811446587 A CN201811446587 A CN 201811446587A CN 109438651 A CN109438651 A CN 109438651A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/6541—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/34
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/58—Epoxy resins
Abstract
The present invention provides a kind of Low temperature resistant high elasticity polyurethane material and preparation method thereof, it is related to chemical material field, it is made of component A and B component, component A includes the raw material composition of following parts by weight: toluene di-isocyanate(TDI): 38-45 parts, pentaerythrite: 25-35 parts, 2,2- dihydromethyl propionic acid: 8-14 parts, diethylenetriamine: 6-10 parts, n,N-Dimethylformamide: 8-15 parts, triethylamine: 4-9 parts, dibutyl tin dilaurate: 7-12 parts；B component includes the raw material composition of following parts by weight: acrylate: 10-17 parts, organosilicon: 7-11 parts, silane coupling agent: 5-10 parts, epoxy resin: 4-9 parts, diethanol amine: 2-7 parts, aminoethyl piperidine: 3-7 parts, the present invention passes through selected formula material, proportion optimizing, and the further improvement to preparation method effectively improve the resistance to low temperature and elastic property of polyurethane material.
Description
Technical field
The present invention relates to chemical material fields, and in particular to a kind of Low temperature resistant high elasticity polyurethane material and its preparation side
Method.
Background technique
Polyurethane is that the polymer in macromolecular main chain containing carbamate groups is known as polyurethanes, poly- ammonia
Ester is divided into polyester polyurethane and polyether polyurethane two major classes, is known as " the fifth-largest plastics ", due to its brilliant performance by
It is widely used in national economy various fields.Product applications are related to light industry, chemical industry, electronics, weaving, medical treatment, build, build
Material, automobile, national defence, space flight, aviation etc..
A kind of new polyurethane material of Publication No. CN106366283A, in parts by weight, component includes: more
First alcohol 100-150 parts, 2-3 parts of chain extender, 3-5 parts of tin catalyst, 10-20 parts of dioctyl phthalate, foaming agent 1-3
Part, 2-5 parts of foam stabilizer, 6-8 parts of graphite, 8-10 parts of aluminum borate crystal material, 12-15 parts of fire retardant, hydrotalcite 20-
25 parts, SiC particulate and Al2O31-1.5 parts of particle.It applies for polyurethane material in movement footwear material field, which provides new
Type polyurethane material, passes through SiC particulate and Al2O3Particle improves wearability；It is improved by graphite and aluminum borate crystal material
Electric conductivity；Flame retardant property is improved by fire retardant and hydrotalcite.
Authorization Notice No. be CN102079859B a kind of photocatalytic self-cleaning polyurethane material preparation method, select by
Isocyanates and oligomer polyol polyurethane material as main component pass it through solution modulation, curing molding, through organic
The modified polyurethane material for obtaining that there is photocatalytic self-cleaning function of photocatalytic activity organic molecules.The photocatalysis of the invention is certainly
The preparation method of polyurethane material is cleaned, raw material is easy to get, at low cost, simple process, convenient operation and control, it is easy to accomplish industrialization
Production, can be widely used in the fields such as clothes, luggage, decoration, automobile, aviation and medical treatment.
It is universal using upper further genralrlization however as polyurethane material, for polyurethane material performance requirement also by
It gradually improves, needs polyurethane material that can still keep a degree of high resiliency performance at a lower temperature, for poly- ammonia
The ingredient and preparation method of ester material are proposed new requirement.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of Low temperature resistant high elasticity polyurethane material and its preparation sides
Method, by selected formula material, proportion optimizing, and the further improvement to preparation method effectively improve polyurethane material
Resistance to low temperature and elastic property.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of Low temperature resistant high elasticity polyurethane material, is made of component A and B component, in which:
Component A includes the raw material composition of following parts by weight:
Toluene di-isocyanate(TDI): 38-45 parts,
Pentaerythrite: 25-35 parts,
2,2- dihydromethyl propionic acids: 8-14 parts,
Diethylenetriamine: 6-10 parts,
N,N-Dimethylformamide: 8-15 parts,
Triethylamine: 4-9 parts,
Dibutyl tin dilaurate: 7-12 parts；
B component includes the raw material composition of following parts by weight:
Acrylate: 10-17 parts,
Organosilicon: 7-11 parts,
Silane coupling agent: 5-10 parts,
Epoxy resin: 4-9 parts,
Diethanol amine: 2-7 parts,
N- aminoethyl piperidine: 3-7 parts.
Preferably, component A includes the raw material composition of following parts by weight: toluene di-isocyanate(TDI): 40 parts, pentaerythrite:
30 parts, 2,2- dihydromethyl propionic acid: 11 parts, diethylenetriamine: 8 parts, 13 parts of N,N-dimethylformamide, triethylamine: 5 parts, two
Dibutyl tin laurate: 9 parts.
Preferably, B component includes the raw material composition of following parts by weight: acrylate: 14 parts, organosilicon: 8 parts, silane
Coupling agent: 8 parts, epoxy resin: 6 parts, diethanol amine: 5 parts, N- aminoethyl piperidine: 5 parts.
Preferably, the acrylate be methyl acrylate, ethyl acrylate, in butyl acrylate any one or
Any 2 kinds of mixture.
Preferably, the silane coupling agent is silane resin acceptor kh-550, silane coupling agent KH-560, silane coupling agent
Any one in KH-570.
The preparation method of the upper Low temperature resistant high elasticity polyurethane material, comprising the following steps:
(1) it prepares B component: acrylate, organosilicon being taken to put into reaction kettle under 1000HZ frequency according to parts by weight
Be ultrasonically treated 0.6-1h, be added silane coupling agent continue ultrasound 0.6-1h, then addition successively epoxy resin, diethanol amine and
N- aminoethyl piperidine after being once warming up to 90-110 DEG C while stirring at low speed, keeps the temperature 40-50min, subsequent secondary temperature elevation is extremely
110-130 DEG C, high-speed stirred obtains B component until cooled to room temperature；
(2) it prepares component A: taking diethylenetriamine to be added in reaction kettle according to parts by weight, at 110 DEG C, -0.06MPa
After being dehydrated 40-60min, it is cooled to 90-100 DEG C, toluene di-isocyanate(TDI), pentaerythrite is then added, 2-3h is stirred, then adds
Enter 2,2- dihydromethyl propionic acid, diethylenetriamine, N,N-dimethylformamide, triethylamine, dibutyl tin dilaurate stirring 30-
50min obtains component A after adding water high shear dispersion；
(3) B component and A group are mixed with mass ratio for the ratio of 1:10-13, while solid filler is added, be warming up to
70-90 DEG C, 2-3h is reacted, Low temperature resistant high elasticity polyurethane is obtained after vacuum distillation.
Preferably, the solid filler and the mass ratio of the B component are 1:12-15.
(3) beneficial effect
The present invention provides a kind of Low temperature resistant high elasticity polyurethane materials and preparation method thereof, have the advantages that
Firstly, the present invention selects toluene di-isocyanate(TDI), pentaerythrite and 2,2- dihydroxymethyl third by optimization of C/C composites
Acid, diethylenetriamine are primary raw material, and selection n,N-Dimethylformamide is solvent, so that polyaminoester emulsion obtained emulsifies journey
Degree is uniform, good emulsion stability, and quality is stablized, and has superior high resiliency.
Secondly, by the way that selected B component is added, using acrylate, organosilicon, epoxy resin to polyurethane copolymer into
While row is modified, mutually there is modifying function, improvement example between the monomer and organosilicon, epoxy resin in acrylate solution
As the problem that the internal stress after epoxy resin cure is excessive, resistance to low temperature is big effectively mentions so that organosilicon dispersion is more uniform
The resistance to low temperature of high polyurethane material.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of Low temperature resistant high elasticity polyurethane material, is made of component A and B component, in which:
Component A includes the raw material composition of following parts by weight: toluene di-isocyanate(TDI): 45 parts, pentaerythrite: and 25 parts, 2,
2- dihydromethyl propionic acid: 14 parts, diethylenetriamine: 6 parts, n,N-Dimethylformamide: 8 parts, triethylamine: 9 parts, tin dilaurate two
Butyl tin: 12 parts；
B component includes the raw material composition of following parts by weight: acrylate (butyl acrylate): 17 parts, organosilicon: and 7 parts,
Silane coupling reagent KH-570: 10 parts, epoxy resin: 9 parts, diethanol amine: 7 parts, aminoethyl piperidine: 3 parts.
The preparation method of above-mentioned Low temperature resistant high elasticity polyurethane material, comprising the following steps:
(1) it prepares B component: acrylate, organosilicon being taken to put into reaction kettle under 1000HZ frequency according to parts by weight
It is ultrasonically treated 0.6h, silane coupling agent is added and continues ultrasound 1h, successively epoxy resin, diethanol amine and N- ammonia second is then added
Phenylpiperidines after being once warming up to 90 DEG C while stirring at low speed, keep the temperature 50min, and subsequent secondary temperature elevation is to 110 DEG C, high-speed stirred
Until cooled to room temperature, obtains B component；
(2) it prepares component A: taking diethylenetriamine to be added in reaction kettle according to parts by weight, at 110 DEG C, -0.06MPa
After being dehydrated 60min, 90 DEG C are cooled to, toluene di-isocyanate(TDI), pentaerythrite is then added, 3h is stirred, 2,2- bis- is then added
Hydroxymethyl propionic acid, diethylenetriamine, n,N-Dimethylformamide, triethylamine, dibutyl tin dilaurate stir 30min, add water
Component A is obtained after high shear dispersion；
(3) B component and A group are mixed with mass ratio for the ratio of 1:13, while solid filler (solid filler is added
Mass ratio with B component is 1:12), 90 DEG C are warming up to, 2h is reacted, Low temperature resistant high elasticity polyurethane is obtained after vacuum distillation.
Embodiment 2:
A kind of Low temperature resistant high elasticity polyurethane material, is made of component A and B component, in which:
Component A includes the raw material composition of following parts by weight: toluene di-isocyanate(TDI): 38 parts, pentaerythrite: and 35 parts, 2,
2- dihydromethyl propionic acid: 8 parts, diethylenetriamine: 10 parts, n,N-Dimethylformamide: 15 parts, triethylamine: 4 parts, tin dilaurate
Dibutyl tin: 7 parts；
B component includes the raw material composition of following parts by weight: acrylate (ethyl acrylate): 10 parts, organosilicon: 11
Part, KH-560:5 parts of silane coupling agent, epoxy resin: 4 parts, diethanol amine: 2 parts, aminoethyl piperidine: 7 parts.
The preparation method of above-mentioned Low temperature resistant high elasticity polyurethane material, comprising the following steps:
(1) it prepares B component: acrylate, organosilicon being taken to put into reaction kettle under 1000HZ frequency according to parts by weight
It is ultrasonically treated 1h, silane coupling agent is added and continues ultrasound 0.6h, successively epoxy resin, diethanol amine and N- ammonia second is then added
Phenylpiperidines after being once warming up to 110 DEG C while stirring at low speed, keep the temperature 40min, and subsequent secondary temperature elevation is to 130 DEG C, high-speed stirred
Until cooled to room temperature, obtains B component；
(2) it prepares component A: taking diethylenetriamine to be added in reaction kettle according to parts by weight, at 110 DEG C, -0.06MPa
After being dehydrated 40min, 100 DEG C are cooled to, toluene di-isocyanate(TDI), pentaerythrite is then added, 2h is stirred, 2,2- bis- is then added
Hydroxymethyl propionic acid, diethylenetriamine, n,N-Dimethylformamide, triethylamine, dibutyl tin dilaurate stir 50min, add water
Component A is obtained after high shear dispersion；
(3) B component and A group are mixed with mass ratio for the ratio of 1:10, while solid filler (solid filler is added
Mass ratio with B component is 1:15), 70 DEG C are warming up to, 3h is reacted, Low temperature resistant high elasticity polyurethane is obtained after vacuum distillation.
Embodiment 3:
A kind of Low temperature resistant high elasticity polyurethane material, is made of component A and B component, in which:
Component A includes the raw material composition of following parts by weight: toluene di-isocyanate(TDI): 40 parts, pentaerythrite: 30 parts, 2,
2- dihydromethyl propionic acid: 11 parts, diethylenetriamine: 8 parts, 13 parts of N,N-dimethylformamide, triethylamine: 5 parts, tin dilaurate two
Butyl tin: 9 parts, solid filler: 5 parts.
B component includes the raw material composition of following parts by weight: acrylate (ethyl acrylate): 14 parts, organosilicon: 8 parts,
Silane coupling agent: 8 parts, epoxy resin: 6 parts, diethanol amine: 5 parts, N- aminoethyl piperidine: 5 parts.
The preparation method of above-mentioned Low temperature resistant high elasticity polyurethane material, comprising the following steps:
(1) it prepares B component: acrylate, organosilicon being taken to put into reaction kettle under 1000HZ frequency according to parts by weight
It is ultrasonically treated 0.7h, silane coupling agent is added and continues ultrasound 0.8h, successively epoxy resin, diethanol amine and N- ammonia is then added
Ethyl piperidine after being once warming up to 100 DEG C while stirring at low speed, keeps the temperature 46min, and subsequent secondary temperature elevation is to 120 DEG C, high-speed stirring
It mixes until cooled to room temperature, obtains B component；
(2) it prepares component A: taking diethylenetriamine to be added in reaction kettle according to parts by weight, at 110 DEG C, -0.06MPa
After being dehydrated 50min, 95 DEG C are cooled to, toluene di-isocyanate(TDI), pentaerythrite is then added, 2.4h is stirred, is then added 2,2-
Dihydromethyl propionic acid, diethylenetriamine, n,N-Dimethylformamide, triethylamine, dibutyl tin dilaurate stir 40min, add
Component A is obtained after water high shear dispersion；
(3) B component and A group are mixed with mass ratio for the ratio of 1:11, while solid filler (solid filler is added
Mass ratio with B component is 1:13), 80 DEG C are warming up to, 2.6h is reacted, Low temperature resistant high elasticity polyurethane is obtained after vacuum distillation.
Embodiment 4:
A kind of Low temperature resistant high elasticity polyurethane material, is made of component A and B component, in which:
Component A includes the raw material composition of following parts by weight: toluene di-isocyanate(TDI): 40 parts, pentaerythrite: and 33 parts, 2,
2- dihydromethyl propionic acid: 11 parts, diethylenetriamine: 7 parts, n,N-Dimethylformamide: 12 parts, triethylamine: 7 parts, tin dilaurate
Dibutyl tin: 10 parts；
B component includes the raw material composition of following parts by weight: the acrylate (mixing of methyl acrylate and ethyl acrylate
Object): 14 parts, organosilicon: 10 parts, KH-560:7 parts of silane coupling agent, epoxy resin: 6 parts, diethanol amine: 4 parts, aminoethyl piperazine
Pyridine: 5 parts.
The preparation method of above-mentioned Low temperature resistant high elasticity polyurethane material, comprising the following steps:
(1) it prepares B component: acrylate, organosilicon being taken to put into reaction kettle under 1000HZ frequency according to parts by weight
It is ultrasonically treated 0.9h, silane coupling agent is added and continues ultrasound 0.7h, successively epoxy resin, diethanol amine and N- ammonia is then added
Ethyl piperidine after being once warming up to 106 DEG C while stirring at low speed, keeps the temperature 43min, and subsequent secondary temperature elevation is to 128 DEG C, high-speed stirring
It mixes until cooled to room temperature, obtains B component；
(2) it prepares component A: taking diethylenetriamine to be added in reaction kettle according to parts by weight, at 110 DEG C, -0.06MPa
After being dehydrated 55min, 105 DEG C are cooled to, toluene di-isocyanate(TDI), pentaerythrite is then added, 2.2h is stirred, is then added 2,2-
Dihydromethyl propionic acid, diethylenetriamine, n,N-Dimethylformamide, triethylamine, dibutyl tin dilaurate stir 44min, add
Component A is obtained after water high shear dispersion；
(3) B component and A group are mixed with mass ratio for the ratio of 1:12, while solid filler (solid filler is added
Mass ratio with B component is 1:14), 88 DEG C are warming up to, 2.5h is reacted, Low temperature resistant high elasticity polyurethane is obtained after vacuum distillation.
Embodiment 5:
A kind of Low temperature resistant high elasticity polyurethane material, is made of component A and B component, in which:
Component A includes the raw material composition of following parts by weight: toluene di-isocyanate(TDI): 40 parts, pentaerythrite: and 30 parts, 2,
2- dihydromethyl propionic acid: 11 parts, diethylenetriamine: 7 parts, n,N-Dimethylformamide: 12 parts, triethylamine: 5 parts, tin dilaurate
Dibutyl tin: 9 parts；
B component includes the raw material composition of following parts by weight: the acrylate (mixing of ethyl acrylate and butyl acrylate
Object): 13 parts, organosilicon: 10 parts, silane resin acceptor kh-550: 7 parts, epoxy resin: 5 parts, diethanol amine: 6 parts, aminoethyl piperazine
Pyridine: 4 parts.
The preparation method of above-mentioned Low temperature resistant high elasticity polyurethane material, comprising the following steps:
(1) it prepares B component: acrylate, organosilicon being taken to put into reaction kettle under 1000HZ frequency according to parts by weight
It is ultrasonically treated 0.9h, silane coupling agent is added and continues ultrasound 0.7h, successively epoxy resin, diethanol amine and N- ammonia is then added
Ethyl piperidine after being once warming up to 105 DEG C while stirring at low speed, keeps the temperature 42min, and subsequent secondary temperature elevation is to 123 DEG C, high-speed stirring
It mixes until cooled to room temperature, obtains B component；
(2) it prepares component A: taking diethylenetriamine to be added in reaction kettle according to parts by weight, at 110 DEG C, -0.06MPa
After being dehydrated 50min, 92 DEG C are cooled to, toluene di-isocyanate(TDI), pentaerythrite is then added, 2.2h is stirred, is then added 2,2-
Dihydromethyl propionic acid, diethylenetriamine, n,N-Dimethylformamide, triethylamine, dibutyl tin dilaurate stir 42min, add
Component A is obtained after water high shear dispersion；
(3) B component and A group are mixed with mass ratio for the ratio of 1:11, while solid filler (solid filler is added
Mass ratio with B component is 1:14), 80 DEG C are warming up to, 2.3h is reacted, Low temperature resistant high elasticity polyurethane is obtained after vacuum distillation.
Beneficial effect in order to further illustrate the present invention selects the Low temperature resistant high elasticity of 1-4 of embodiment of the present invention preparation
Polyaminoester emulsion carry out room temperature curing demoulding after as experiment item, by common high resilience polyurethane material in the prior art as
Comparative run, carry out falling-rebounding ball rate (temperature is at -10 DEG C), in terms of performance test, and test result is recorded
In following table.
As seen from the above table, polyurethane material prepared by the present invention compared to the prior art, still maintains under low-temperature condition
Certain high resiliency, and properties are superior and the prior art.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, including the element that sentence "including a ..." limits, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of Low temperature resistant high elasticity polyurethane material, which is characterized in that be made of component A and B component, in which:
Component A includes the raw material composition of following parts by weight:
Toluene di-isocyanate(TDI): 38-45 parts,
Pentaerythrite: 25-35 parts,
2,2- dihydromethyl propionic acids: 8-14 parts,
Diethylenetriamine: 6-10 parts,
N,N-Dimethylformamide: 8-15 parts,
Triethylamine: 4-9 parts,
Dibutyl tin dilaurate: 7-12 parts；
B component includes the raw material composition of following parts by weight:
Acrylate: 10-17 parts,
Organosilicon: 7-11 parts,
Silane coupling agent: 5-10 parts,
Epoxy resin: 4-9 parts,
Diethanol amine: 2-7 parts,
N- aminoethyl piperidine: 3-7 parts.
2. Low temperature resistant high elasticity polyurethane material as described in claim 1, which is characterized in that component A includes following parts by weight
Several raw material composition: toluene di-isocyanate(TDI): 40 parts, pentaerythrite: 30 parts, 2,2- dihydromethyl propionic acid: 11 parts, divinyl three
Amine: 8 parts, 13 parts of N,N-dimethylformamide, triethylamine: 5 parts, dibutyl tin dilaurate: 9 parts.
3. Low temperature resistant high elasticity polyurethane material as described in claim 1, which is characterized in that B component includes following parts by weight
Several raw material composition: acrylate: 14 parts, organosilicon: 8 parts, silane coupling agent: 8 parts, epoxy resin: 6 parts, diethanol amine: 5
Part, N- aminoethyl piperidine: 5 parts.
4. Low temperature resistant high elasticity polyurethane material as described in claim 1, which is characterized in that the acrylate is acrylic acid
Methyl esters, ethyl acrylate, any one or any 2 kinds of mixture in butyl acrylate.
5. Low temperature resistant high elasticity polyurethane material as described in claim 1, which is characterized in that the silane coupling agent is silane
Coupling agent KH-550, silane coupling agent KH-560, any one in Silane coupling reagent KH-570.
6. the preparation method of the Low temperature resistant high elasticity polyurethane material as described in claim 1-5 any one, which is characterized in that
The following steps are included:
(1) it prepares B component: taking acrylate, organosilicon to put into according to parts by weight ultrasonic under 1000HZ frequency in reaction kettle
0.6-1h is handled, silane coupling agent is added and continues ultrasound 0.6-1h, successively epoxy resin, diethanol amine and N- ammonia is then added
Ethyl piperidine after being once warming up to 90-110 DEG C while stirring at low speed, keeps the temperature 40-50min, subsequent secondary temperature elevation to 110-
130 DEG C, high-speed stirred obtains B component until cooled to room temperature；
(2) it prepares component A: taking diethylenetriamine to be added in reaction kettle according to parts by weight, be dehydrated at 110 DEG C, -0.06MPa
After 40-60min, it is cooled to 90-100 DEG C, toluene di-isocyanate(TDI), pentaerythrite is then added, 2-3h is stirred, is then added 2,
2- dihydromethyl propionic acid, diethylenetriamine, N,N-dimethylformamide, triethylamine, dibutyl tin dilaurate stir 30-
50min obtains component A after adding water high shear dispersion；
(3) B component and A group are mixed with mass ratio for the ratio of 1:10-13, while solid filler is added, be warming up to 70-90
DEG C, 2-3h is reacted, Low temperature resistant high elasticity polyurethane is obtained after vacuum distillation.
7. the preparation method of Low temperature resistant high elasticity polyurethane material as claimed in claim 6, which is characterized in that the solid is filled out
The mass ratio for filling object and the B component is 1:12-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811446587.3A CN109438651A (en) | 2018-11-29 | 2018-11-29 | A kind of Low temperature resistant high elasticity polyurethane material and preparation method thereof |
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| CN201811446587.3A CN109438651A (en) | 2018-11-29 | 2018-11-29 | A kind of Low temperature resistant high elasticity polyurethane material and preparation method thereof |
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| CN111848908A (en) * | 2020-07-17 | 2020-10-30 | 苏州玻导材料有限公司 | Polyhedral oligomeric silsesquioxane based nano polyurethane material and preparation method thereof |
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