CN107446100A - A kind of environment-friendly type solvent-free polyurethane material and preparation method thereof - Google Patents
A kind of environment-friendly type solvent-free polyurethane material and preparation method thereof Download PDFInfo
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- CN107446100A CN107446100A CN201710711164.9A CN201710711164A CN107446100A CN 107446100 A CN107446100 A CN 107446100A CN 201710711164 A CN201710711164 A CN 201710711164A CN 107446100 A CN107446100 A CN 107446100A
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- Prior art keywords
- polyurethane material
- environment
- friendly type
- type solvent
- weight
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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
- C08G18/48—Polyethers
-
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- 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
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to a kind of environment-friendly type solvent-free polyurethane material, it is prepared by following components：Auxiliary agent, isocyanates, polyol compound.Invention also provides the method for preparing no-solvent polyurethane material.Prepare polyurethane material using the component and method of the present invention and reduce caused pollution in production process, it is more environmentally friendly.In addition, prepared polyurethane material surface smoothness is high, mechanical property is strong, and penetrability is good.
Description
Technical field
The present invention relates to polyurethane elastomer material, in particular it relates to a kind of environment-friendly type solvent-free polyurethane material and its
Preparation method.
Background technology
Uninanned platform removes from office production technology compared with traditional synthetic leather production technology, it is not necessary to solvent, therefore the technology
The pollution brought is small, relatively environmentally friendly.Uninanned platform leather production technology turns into one of the main direction of development of following synthetic leather.
But although current uninanned platform leather production technology employs solvent-free dual-component polyurethane and forms foaming layer, but its surface layer according to
So use water-based PU or oiliness PU, can not accomplish completely it is solvent-free, the defects of environmental pollution, price is higher still be present.
The content of the invention
In order to solve the above problems and defect, it is an object of the invention to provide environment-friendly type solvent-free polyurethane material.
It is related to a variety of reaction machines such as chain extending reaction, foaming reaction and cross-linking reaction due to preparing no-solvent polyurethane material
System.Therefore, its reaction product and the structure of matter of raw material, degree of functionality, molecular mass etc. are closely related.Corresponding to different material
Incorporation time is different with molding cycle, therefore thus the structure of its polyurethane obtained causes polyurethane there is also difference
Physical property also differs.Utilize prepared polyurethane material its excellent physical properties of composition provided by the invention and proportioning.
The environment-friendly type solvent-free polyurethane material of the present invention is achieved through the following technical solutions：
A kind of environment-friendly type solvent-free polyurethane material, is prepared by following components：Auxiliary agent, isocyanates, polyol compound.
Further, auxiliary agent is levelling agent.
Further, isocyanates is toluene di-isocyanate(TDI).
Further, polyol compound is PEPA and/or PPG.
Further, the number-average molecular weight of PPG is 1000-4000g/mol.
Further, the proportioning of each component is as follows：Auxiliary agent 0.1-5 parts by weight, isocyanates 10-15 parts by weight, polyalcohol
Compound 80-90 parts by weight.
Further, the proportioning of each component is as follows：The parts by weight of auxiliary agent 2.5, the parts by weight of isocyanates 13, PEPA are
66 parts by weight, PPG are 17 parts by weight.
Further, the material also includes chain extender.
Further, chain extender is ethylene glycol.
Invention also provides the preparation method of this environment-friendly type solvent-free polyurethane material, this method includes following step
Suddenly：
1) auxiliary agent, isocyanates, polyol compound are weighed in proportion；
2) it is each material mixing weighed in step 1) is uniform, so that isocyanates and polyol compound react and gathered
Urethane material.
Due to using above technical scheme, polyurethane material of the invention reduces production due to not using solvent
During caused pollution, it is more environmentally friendly.In addition, the polyurethane material of the component proportion production using the present invention, its surfacing
Degree is high, and mechanical property is strong, and penetrability is good.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiment, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention.
Embodiment 1
Environment-friendly type solvent-free polyurethane material is prepared by the component of following proportioning：The parts by weight of levelling agent 0.1, isocyanates 10
Parts by weight, PEPA are 63 parts by weight, PPG is 17 parts by weight.The number-average molecular weight of wherein PPG is
4000g/mol。
By above-mentioned weight proportion each component is weighed, according to PEPA, PPG, isocyanates, levelling agent
Order addition raw material, and using variable-speed agitator by low speed to being stirred at high speed to raw material, make it well mixed, obtain
The described environment-friendly type solvent-free polyurethane material of invention.
The material is applied on base material and measures its tensile strength according to QB/T 1670-92, according to FZ/T 60005-
1991 measure its elongation at break, measure its tearing strength according to GB/T 12829-2006, its result is as shown in table 1.
Embodiment 2
Environment-friendly type solvent-free polyurethane material is prepared by the component of following proportioning：The parts by weight of levelling agent 2.5, isocyanates 13
Parts by weight, PEPA are 66 parts by weight, PPG is 17 parts by weight.The number-average molecular weight of wherein PPG is
3000g/mol。
By above-mentioned weight proportion each component is weighed, according to PEPA, PPG, isocyanates, levelling agent
Order addition raw material, and using variable-speed agitator by low speed to being stirred at high speed to raw material, make it well mixed, obtain
The described environment-friendly type solvent-free polyurethane material of invention.
The material is applied on base material and measures its tensile strength according to QB/T 1670-92, according to FZ/T 60005-
1991 measure its elongation at break, measure its tearing strength according to GB/T 12829-2006, its result is as shown in table 1.
Embodiment 3
Environment-friendly type solvent-free polyurethane material is prepared by the component of following proportioning：The parts by weight of levelling agent 5, the weight of isocyanates 15
Measure part, PEPA is 66 parts by weight, PPG is 24 parts by weight.The number-average molecular weight of wherein PPG is
1000g/mol。
By above-mentioned weight proportion each component is weighed, according to PEPA, PPG, isocyanates, levelling agent
Order addition raw material, and using variable-speed agitator by low speed to being stirred at high speed to raw material, make it well mixed, obtain
The described environment-friendly type solvent-free polyurethane material of invention.
The material is applied on base material and measures its tensile strength according to QB/T 1670-92, according to FZ/T 60005-
1991 measure its elongation at break, measure its tearing strength according to GB/T 12829-2006, its result is as shown in table 1.
Embodiment 4
Environment-friendly type solvent-free polyurethane material is prepared by the component of following proportioning：The parts by weight of levelling agent 2.5, isocyanates 13
Parts by weight, PEPA are 66 parts by weight, PPG is 17 parts by weight, the parts by weight of ethylene glycol 6.Wherein PPG
Number-average molecular weight be 3000g/mol.
Each component is weighed by above-mentioned weight proportion, according to PEPA, PPG, isocyanates, ethylene glycol, stream
Flat agent order addition raw material, and using variable-speed agitator by low speed to being stirred at high speed to raw material, make its be well mixed,
Obtain environment-friendly type solvent-free polyurethane material of the present invention.
The material is applied on base material and measures its tensile strength according to QB/T 1670-92, according to FZ/T 60005-
1991 measure its elongation at break, measure its tearing strength according to GB/T 12829-2006, its result is as shown in table 1.
Table 1
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength/MPa | 2.2 | 3.5 | 3.2 | 3.6 |
| Elongation at break/% | 300 | 350 | 330 | 400 |
| Tearing strength/N/mm | 3.5 | 4.2 | 3.8 | 4.3 |
As shown in Table 1, using the present invention component and be equipped with polyurethane material its every mechanical property prepared and be satisfied by
Requirement.
Presently preferred embodiments of the present invention is the foregoing is only, is not used for limiting the practical range of the present invention；If do not take off
From the spirit and scope of the present invention, the present invention is modified or equivalent substitution, all should covered in the claims in the present invention
Among protection domain.
Claims (10)
1. a kind of environment-friendly type solvent-free polyurethane material, it is characterised in that prepared by following components：It is auxiliary agent, isocyanates, polynary
Alcoholic compound.
2. environment-friendly type solvent-free polyurethane material according to claim 1, it is characterised in that the auxiliary agent is levelling agent.
3. environment-friendly type solvent-free polyurethane material according to claim 1, it is characterised in that the isocyanates is toluene
Diisocyanate.
4. environment-friendly type solvent-free polyurethane material according to claim 1, it is characterised in that the polyol compound is
PEPA and/or PPG.
5. environment-friendly type solvent-free polyurethane material according to claim 4, it is characterised in that the number of the PPG
Average molecular weight is 1000-4000g/mol.
6. environment-friendly type solvent-free polyurethane material according to claim 1, it is characterised in that each component is matched somebody with somebody such as
Under：Auxiliary agent 0.1-5 parts by weight, isocyanates 10-15 parts by weight, polyol compound 80-90 parts by weight.
7. environment-friendly type solvent-free polyurethane material according to claim 6, it is characterised in that each component is matched somebody with somebody such as
Under：The parts by weight of auxiliary agent 2.5, the parts by weight of isocyanates 13, PEPA are 66 parts by weight, PPG is 17 parts by weight.
8. environment-friendly type solvent-free polyurethane material according to claim 1, it is characterised in that the material also includes chain extension
Agent.
9. environment-friendly type solvent-free polyurethane material according to claim 1, it is characterised in that the chain extender is second two
Alcohol.
10. a kind of preparation method of environment-friendly type solvent-free polyurethane material as claimed in any one of claims 1-9 wherein, its feature
It is, comprises the steps of：
1) auxiliary agent, isocyanates, polyol compound are weighed in proportion；
2) it is each material mixing weighed in step 1) is uniform, so that isocyanates and polyol compound react to obtain polyurethane
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711164.9A CN107446100A (en) | 2017-08-18 | 2017-08-18 | A kind of environment-friendly type solvent-free polyurethane material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711164.9A CN107446100A (en) | 2017-08-18 | 2017-08-18 | A kind of environment-friendly type solvent-free polyurethane material and preparation method thereof |
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| CN107446100A true CN107446100A (en) | 2017-12-08 |
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| CN201710711164.9A Pending CN107446100A (en) | 2017-08-18 | 2017-08-18 | A kind of environment-friendly type solvent-free polyurethane material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330628A (en) * | 2019-07-10 | 2019-10-15 | 福建元发树脂有限公司 | Non-solvent single-component polyurethane mirror surface resin |
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