CN104448203A - Formula and preparation method of polyurethane soft high-resilience filling product - Google Patents
Formula and preparation method of polyurethane soft high-resilience filling product Download PDFInfo
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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
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
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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
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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
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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
- C08G18/3271—Hydroxyamines
- C08G18/3275—Hydroxyamines containing two hydroxy groups
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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
- C08G18/4829—Polyethers containing at least three hydroxy groups
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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
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
- C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
- C08G18/8019—Masked aromatic polyisocyanates
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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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
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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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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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 embodiment of the invention discloses a formula and preparation method of a polyurethane soft high-resilience filling product. The formula comprises 100 parts of component A and 43-47 parts of component B. The component A comprises the following ingredients in percentage by weight: 89-93% of polyether glycol, 1.0-1.5% of chain extender, 0.5-1.0% of foam stabilizer, 0.5-1.0% of catalyst, 2-4% of cell opener and 3.0-3.5% of foaming agent. The molecular weight of the polyether glycol is 5000-6000, the average functionality is 3, and the primary hydroxy content is 60-85%. The component B comprises 100% of carbamate modified diphenylmethane diisocyanate. The preparation method comprises the following steps: mixing and stirring the two components in a certain proportion to react, and foaming and gelling at the same time to prepare the polyurethane soft high-resilience filling product by one step.
Description
Technical field
The invention belongs to artificial material preparation field, particularly a kind of polyurethane soft high-resilience filled articles formula and preparation method thereof.
Background technology
Carbamate superpolymer (abbreviation urethane) reacts generation carbamate by isocyanic ester and oxy-compound and names as its feature chain link.Due to the chemical feature of isocyanic ester, it not only can generate carbamate with polyol reaction, but also the compound reaction can with " active hydrogen " generates various corresponding chemical chain link, thus change link configuration and the performance of urethane.People are constantly in this way used as the modified method of urethane, on purpose introduce the group of various chain link, change superpolymer performance.Therefore polyurethanes superpolymer has the title of " superpolymer that can make ", is day by day subject to people's attention.
Therefore practical necessity is studied, and adopts urethane to be that main material is prepared into a kind of high performance polyurethane soft high-resilience filled articles.
Summary of the invention
For solving the problem, a kind of polyurethane soft high-resilience filled articles is the object of the present invention is to provide to fill a prescription and preparation method thereof, add that various chainextender, linking agent, efficient foam stabilizer and the mixture component A of chemical foaming agent water and the B component of isocyanate mixture are reacted with certain proportion mix and blend in order to adopt polyether polyol with high activity (uncle's alkyl content 60%-85%), foaming and gel two react and carry out simultaneously, and a step makes the excellent polyurethane soft high-resilience filled articles of physical property.
For achieving the above object, technical scheme of the present invention is:
A kind of polyurethane soft high-resilience filled articles formula, it comprises the component A of 100 parts and the B component of 43-47 part, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 89-93%, chainextender accounts for 1.0-1.5%, and foam stabilizer accounts for 0.5-1.0%, and catalyzer accounts for 0.5-1.0%, pore-creating agent accounts for 2-4%, and whipping agent accounts for 3.0-3.5%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
Preferably, described chainextender is diethanolamine.
Preferably, described foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane.
Preferably, described catalyzer is tertiary amines mixture.
Preferably, described pore-creating agent is grafted polyether polyol.
Preferably, described whipping agent is water.
Another technical scheme of the present invention is:
A kind of polyurethane soft high-resilience filled articles preparation method, comprises the following steps,
S10, selects raw material:
Comprise the component A of 100 parts and the B component of 43-47 part, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 89-93%, chainextender accounts for 1.0-1.5%, and foam stabilizer accounts for 0.5-1.0%, and catalyzer accounts for 0.5-1.0%, pore-creating agent accounts for 2-4%, and whipping agent accounts for 3.0-3.5%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
S20, by component A and B component, mix and blend under the room temperature of 25-30 DEG C reacts 8-10 second, injects the demoulding in 3-4 minute after in mould and namely obtains polyurethane soft high-resilience filled articles.
Preferably, described chainextender is 1.4 1 butyleneglycols and Diethylene Glycol, and described foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane, described catalyzer is tertiary amines mixture, and described pore-creating agent is grafted polyether polyol, and described whipping agent is water.
Compared with prior art, beneficial effect of the present invention is as follows:
(1) owing to adopting normal temperature slaking, do not need the cold-curing working method heated, energy expenditure is low;
(2) because single stage method cold curing foam curing speed is fast, only need within 3-4 minute, get final product depanning, required for same scale, mould is few, and plant efficiency is high, and thus cost is low, less investment;
(3) cold curing foam is due to its distinctive inherent molecular structure, thus has lower combustibility than general porous plastics, can reach from putting out grade standard at the goods not containing or contain a small amount of fire retardant.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
On the contrary, the present invention is contained any by the substituting of making on marrow of the present invention and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the present invention, in hereafter details of the present invention being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the present invention completely for a person skilled in the art yet.
A kind of polyurethane soft high-resilience filled articles formula, it comprises the component A of 100 parts and the B component of 43-47 part, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 89-93%, chainextender accounts for 1.0-1.5%, and foam stabilizer accounts for 0.5-1.0%, and catalyzer accounts for 0.5-1.0%, pore-creating agent accounts for 2-4%, and whipping agent accounts for 3.0-3.5%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
Wherein chainextender is diethanolamine, and foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane, catalyzer is tertiary amines mixture, and pore-creating agent is grafted polyether polyol, and whipping agent is water.
Corresponding, a kind of polyurethane soft high-resilience filled articles preparation method, comprises the following steps,
S10, selects raw material:
Comprise the component A of 100 parts and the B component of 43-47 part, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 89-93%, chainextender accounts for 1.0-1.5%, and foam stabilizer accounts for 0.5-1.0%, and catalyzer accounts for 0.5-1.0%, pore-creating agent accounts for 2-4%, and whipping agent accounts for 3.0-3.5%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
S20, by component A and B component, mix and blend under the room temperature of 25-30 DEG C reacts 8-10 second, injects the demoulding in 3-4 minute after in mould and namely obtains polyurethane soft high-resilience filled articles.
Wherein chainextender is 1.4 1 butyleneglycols and Diethylene Glycol, and described foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane, described catalyzer is tertiary amines mixture, and described pore-creating agent is grafted polyether polyol, and described whipping agent is water.
Component A is main material by high molecular weight polyether, and diethanolamine is chainextender, balancing delay type tertiary amine catalyst, and high reactivity foam stabilizer coordinates pore-creating agent and high-content whipping agent water to combine.This combination can obtain low density high resilience foams, and do not shrink fill full, be rich in latex sense., B component all adopts urethane-modified diphenylmethanediisocyanate, is to react by dibasic alcohol and excessive diphenylmethanediisocyanate the carbamate generated with NCO end-blocking.Its NCO content lower (24.5-25.5%), it is good that functionality low (2) and GL-HR601A combination raw materials react gained foams stretchiness, high resilience.
Polyurethane soft high-resilience filled articles prepared by above method and preparation method thereof, it is shaping by foaming machine cast cold molding, production line balance, and production efficiency is high, and resulting product full appearance is enriched, good hand touch, high resilience.Physical property index is as following table:
Table 1 emulates weapons goods physical performance index
Embodiment 1
A kind of polyurethane soft high-resilience filled articles preparation method, comprises the following steps,
S10, selects raw material:
Comprise the component A of 100 parts and the B component of 43 parts, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 89%, chainextender accounts for 1.5%, and foam stabilizer accounts for 1.0%, and catalyzer accounts for 1.0%, pore-creating agent accounts for 4%, and whipping agent accounts for 3.0%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
S20, by component A and B component, mix and blend under the room temperature of 25-30 DEG C reacts 8 seconds, injects the demoulding in latter 3 minutes in mould and namely obtains polyurethane soft high-resilience filled articles.
Wherein chainextender is 1.4 1 butyleneglycols and Diethylene Glycol, and foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane, catalyzer is tertiary amines mixture, and pore-creating agent is grafted polyether polyol, and whipping agent is water.
Embodiment 2
A kind of polyurethane soft high-resilience filled articles preparation method, comprises the following steps,
S10, selects raw material:
Comprise the component A of 100 parts and the B component of 47 parts, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 93%, chainextender accounts for 1.0%, and foam stabilizer accounts for 0.5%, and catalyzer accounts for 0.5%, pore-creating agent accounts for 2.0%, and whipping agent accounts for 3.0%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
S20, by component A and B component, mix and blend under the room temperature of 25-30 DEG C reacts 10 seconds, injects the demoulding in latter 4 minutes in mould and namely obtains polyurethane soft high-resilience filled articles.
Wherein chainextender is 1.4 1 butyleneglycols and Diethylene Glycol, and foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane, catalyzer is tertiary amines mixture, and pore-creating agent is grafted polyether polyol, and whipping agent is water.
Embodiment 3
A kind of polyurethane soft high-resilience filled articles preparation method, comprises the following steps,
S10, selects raw material:
Comprise the component A of 100 parts and the B component of 47 parts, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 91%, chainextender accounts for 1.2%, and foam stabilizer accounts for 0.7%, and catalyzer accounts for 0.7%, pore-creating agent accounts for 3%, and whipping agent accounts for 3.4%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
S20, by component A and B component, mix and blend under the room temperature of 25-30 DEG C reacts 9 seconds, injects the demoulding in latter 4 minutes in mould and namely obtains polyurethane soft high-resilience filled articles.
Wherein chainextender is 1.4 1 butyleneglycols and Diethylene Glycol, and foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane, catalyzer is tertiary amines mixture, and pore-creating agent is grafted polyether polyol, and whipping agent is water.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. polyurethane soft high-resilience filled articles formula, it is characterized in that, it comprises the component A of 100 parts and the B component of 43-47 part, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 89-93%, chainextender accounts for 1.0-1.5%, and foam stabilizer accounts for 0.5-1.0%, and catalyzer accounts for 0.5-1.0%, pore-creating agent accounts for 2-4%, and whipping agent accounts for 3.0-3.5%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
2. imitation polyurethane weapons combination formula according to claim 1, is characterized in that, described chainextender is diethanolamine.
3. polyurethane soft high-resilience filled articles formula according to claim 1, it is characterized in that, described foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane.
4. imitation polyurethane weapons combination formula according to claim 1, is characterized in that, described catalyzer is tertiary amines mixture.
5. polyurethane soft high-resilience filled articles formula according to claim 1, it is characterized in that, described pore-creating agent is grafted polyether polyol.
6. polyurethane soft high-resilience filled articles according to claim 1, is characterized in that, described whipping agent is water.
7. a polyurethane soft high-resilience filled articles preparation method, is characterized in that, comprises the following steps,
S10, selects raw material:
Comprise the component A of 100 parts and the B component of 43-47 part, wherein the formula of component A and B component and weight percent as follows:
Component A comprises polyether glycol, chainextender, linking agent, foam stabilizer, catalyzer and whipping agent, wherein the molecular weight 5000-6000 of polyether glycol, average functionality 3, proportion of primary OH groups 60-85% accounts for 89-93%, chainextender accounts for 1.0-1.5%, and foam stabilizer accounts for 0.5-1.0%, and catalyzer accounts for 0.5-1.0%, pore-creating agent accounts for 2-4%, and whipping agent accounts for 3.0-3.5%;
B component comprises the urethane-modified diphenylmethanediisocyanate of 100%.
S20, by component A and B component, mix and blend under the room temperature of 25-30 DEG C reacts 8-10 second, injects the demoulding in 3-4 minute after in mould and namely obtains polyurethane soft high-resilience filled articles.
8. polyurethane soft high-resilience filled articles preparation method according to claim 7, it is characterized in that, described chainextender is 1.4 1 butyleneglycols and Diethylene Glycol, described foam stabilizer is olefin oxide---the mutually embedding multipolymer of polysiloxane, described catalyzer is tertiary amines mixture, described pore-creating agent is grafted polyether polyol, and described whipping agent is water.
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Cited By (6)
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| CN105131580A (en) * | 2015-09-29 | 2015-12-09 | 上海应用技术学院 | Halogen-free flame retardant polyurethane flexible foam and preparation method thereof |
| CN107057019A (en) * | 2017-01-20 | 2017-08-18 | 苏州高夫高分子材料有限公司 | A kind of polyurethane and its product and preparation method |
| CN108559051A (en) * | 2018-05-16 | 2018-09-21 | 宁波拓普集团股份有限公司 | A kind of zero VOC high resilience polyurethane foam and preparation method thereof |
| CN109553741A (en) * | 2018-12-06 | 2019-04-02 | 上海应用技术大学 | A kind of preparation method of low-cost polyurethane steering wheel |
| CN110650985A (en) * | 2017-03-08 | 2020-01-03 | 莱维泰克斯泡沫有限公司 | Polyurethane foam |
| CN113402693A (en) * | 2021-06-29 | 2021-09-17 | 广州亚伊汽车零部件有限公司 | Formula and preparation method of high-resilience foaming material |
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