CN106632979A - Two-component polyurethane foaming agent and preparation method thereof - Google Patents

Two-component polyurethane foaming agent and preparation method thereof Download PDF

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Publication number
CN106632979A
CN106632979A CN201611213481.XA CN201611213481A CN106632979A CN 106632979 A CN106632979 A CN 106632979A CN 201611213481 A CN201611213481 A CN 201611213481A CN 106632979 A CN106632979 A CN 106632979A
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parts
foaming agent
component
dual
component polyurethane
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Inventor
陈士强
朱强
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Suzhou New Energy Mstar Technology Ltd
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Suzhou New Energy Mstar Technology Ltd
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Priority to CN201611213481.XA priority Critical patent/CN106632979A/en
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    • 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
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    • 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
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    • 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
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/143—Halogen containing compounds
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
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    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/12—Organic compounds only containing carbon, hydrogen and oxygen atoms, e.g. ketone or alcohol
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
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    • C08J2203/00—Foams characterized by the expanding agent
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  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

The invention relates to the technical field of sealing materials, in particular to a two-component polyurethane foaming agent and a preparation method thereof. Since curing of a one-component polyurethane foaming agent requires absorbing water vapor in air for reaction, and the curing time is longer, the curing reaction is slower if the humidity of the air is lower, and the dependency on the environment is higher. The two-component polyurethane foaming agent is prepared from two components of a component A and a component B, wherein the component A is prepared from polyol, a foaming agent, a catalyst, a surfactant and a flame retardant; the component B is prepared from isocyanate, the foaming agent and a foam stabilizer. The two-component polyurethane foaming agent provided by the invention is fast in curing speed, low in environment dependency, large in density and good in elasticity, and can meet the requirements of building industry. The invention also relates to the preparation method of the two-component polyurethane foaming agent.

Description

A kind of dual-component polyurethane foaming agent and preparation method thereof
Technical field
The present invention relates to encapsulant technical field, more particularly to a kind of dual-component polyurethane foaming agent and its preparation side Method.
Background technology
Polyurethane foams is a kind of high-performance foam material, and its heat-insulating property is optimum in various foamed materials, together When there is the excellent strength of materials, be the field of thermal insulation such as current refrigerator, solar energy, heat distribution pipeline, building, automobile, cold chain most It is preferred that selecting.With the attention of China's building energy conservation, polyurethane foam heat insulation material expands year by year in China's building trade consumption.It is poly- Urethane foaming agent, is commonly called as foaming agent, foamed glue, PU gap fillers, is that aerosol technology and polyurethane foam technology intersect the product for combining Thing.When material sprays from inhalator jar, the polyurethane materials of foam-like can expand rapidly and with air or the matrix for touching In moisture occur curing reaction formed foam.Cranny filler of polyurethane foam foam after solidification have joint filling, bonding, sealing, The multi-effects such as heat-insulated, sound-absorbing, are a kind of environmental protection and energy saving, construction material easy to use, are applicable to sealing and plugging, benefit of filling a vacancy Seam, fixed bonding, heat preservation and soundproof, the sealing and plugging being particularly suited between plastic-steel or aluminum alloy doors and windows and body of wall and waterproof, use Also it is more and more extensive.
At present polyurethane foams is widely used so that one-component foaming agent has obtained abundance in technical elements Development, but because the solidification of monocomponent polyurethane foaming agent needs the steam in absorption air to react, hardening time compared with Long, if humidity is relatively low in air, curing reaction is slower, higher to the dependence of environment.
The content of the invention
To overcome problem present in correlation technique, the present invention to provide a kind of dual-component polyurethane foaming agent and its preparation side Method.
According to embodiments of the present invention, there is provided a kind of dual-component polyurethane foaming agent, the polyurethane foams is by AB two Component is constituted, and the component A is made up of the raw material of following weight portion：110～180 parts of polyalcohol, 20～60 parts of foaming agent, catalysis 2～5 parts of 2～6 parts of agent, 2～7 parts of surfactant and fire retardant；
The B component is made up of the raw material of following weight portion：50～100 parts of isocyanates, 10～30 parts of foaming agent, foam 1～6 part of stabilizer；
The polyalcohol includes one or several in PEPA or PPG.
Alternatively, the polyurethane foams is made up of two components of AB, the component A by following weight portion raw material group Into：150～170 parts of polyalcohol, 30～50 parts of foaming agent, 3～5 parts of catalyst, 3～5 parts of foam stabiliser and fire retardant 3～4 Part；
The B component is made up of the raw material of following weight portion：70～90 parts of isocyanates, 20～25 parts of foaming agent, foam 3～5 parts of stabilizer.
Alternatively, the polyurethane foams is made up of two components of AB, the component A by following weight portion raw material group Into：3 parts of 165 parts of polyalcohol, 45 parts of foaming agent, 4 parts of catalyst, 4 parts of foam stabiliser and fire retardant；
The B component is made up of the raw material of following weight portion：75 parts of isocyanates, 23 parts of foaming agent, foam stabiliser 4 Part.
Alternatively, the foaming agent includes dimethyl ether, the third butane, 1,3,3- tetrafluoropropanes, trichorotrifluoroethane, dichloro two Fluoromethane or 1, one or several in 1,2,2- HFC-134a.
Alternatively, the catalyst includes N, N- dimethyl cyclohexyl amines, double (2- dimethylaminoethyls) ethers, N, N, N ', N '- Tetramethyl Alkylenediamine, triethylamine, N, N- dimethyl benzylamines, solid amine, N-ethylmorpholine, NMM, N, N '-diethyl piperazine, three Monoethanolamine, DMEA, pyridine or N, one or several in N '-dimethyl pyridine.
Alternatively, the surfactant includes many polymethyl siloxanes, expoxy propane, ethylene oxide polymer or sulphur One or several in the castor-oil plant sodium alkoxide of change.
Alternatively, the foam stabiliser includes organic silicone foam stabilizer.
Alternatively, the fire retardant includes one or several in phosphate compound or phosphate compounds.
Alternatively, the isocyanates includes toluene di-isocyanate(TDI) or the one kind in methyl diphenylene diisocyanate Or it is several.
The present invention also provides a kind of preparation method of dual-component polyurethane foaming agent, comprises the following steps：
1) component A is made, first mixes PPG or PEPA, surfactant, catalyst according to proportioning Close uniform, then using inhalator jar equipment, the material being well mixed is poured into inhalator jar, valve in pressure is filled with again foaming Agent, tank body shake up after by with B component collocation use；
2) by isocyanates and foam stabiliser according to pouring into inhalator jar after proportioning mixing, valve in pressure is filled with foaming Agent, after shaking up by with component A collocation use.
The technical scheme that embodiments of the invention are provided can include following beneficial effect：The present invention is filled a prescription by improving, Make one-component into double-component to use cooperatively, overcome one-component is affected greatly by air humidity, the difficult problem such as curing rate is slow, Polyurethane foams curing rate according to the present invention is fast, and environment is low according to lazyness, and density is big, and malleable well meets building trade Requirement.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not The present invention can be limited.
Specific embodiment
Here exemplary embodiment will be illustrated in detail.Embodiment described in following exemplary embodiment The all embodiments consistent with the present invention are not represented.Conversely, they be only with as described in detail in appended claims , the example of some consistent methods of aspect of the present invention.
Embodiment 1
A kind of dual-component polyurethane foaming agent, the polyurethane foams is made up of two components of AB, the component A by with The raw material composition of lower weight portion：50 parts of PEPA, 60 parts of PPG, 20 parts of dimethyl ether, N, N- dimethyl cyclohexyl amine 2 Part, 2 parts of many polymethyl siloxanes, expoxy propane, 2 parts of ethylene oxide polymer and ammonium polyphosphate；
The B component is made up of the raw material of following weight portion：50 parts of toluene di-isocyanate(TDI), the third 10 parts of butane, organosilicon 1 part of foam stabiliser.
By the mixing of two groups of materials of above-mentioned AB, polyurethane foams curing rate is fast, and its curing rate compares existing skill The curing rate raising 30% of art, it is low according to lazyness to environment, can solidify under conditions of the degree of -20 degree -40, density is big, plays tough Property is good.
Embodiment 2
A kind of dual-component polyurethane foaming agent, the polyurethane foams is made up of two components of AB, the component A by with The raw material composition of lower weight portion：80 parts of PEPA, 100 parts of PPG, 60 parts of dimethyl ether, N, N- dimethyl cyclohexyl amine 6 parts, 5 parts of many polymethyl siloxanes, expoxy propane, 7 parts of ethylene oxide polymer and ammonium polyphosphate；
The B component is made up of the raw material of following weight portion：100 parts of toluene di-isocyanate(TDI), the third 30 parts of butane, organosilicon 6 parts of foam stabiliser.
By the mixing of two groups of materials of above-mentioned AB, polyurethane foams curing rate is fast, under equal conditions, its solidification speed The curing rate that degree compares embodiment 1 is low by 5%.
Embodiment 3
A kind of dual-component polyurethane foaming agent, the polyurethane foams is made up of two components of AB, the component A by with The raw material composition of lower weight portion：80 parts of PEPA, 85 parts of PPG, 45 parts of trichorotrifluoroethane, N, N, N ', N '- 3 parts of 4 parts of tetramethyl Alkylenediamine, 4 parts of the castor-oil plant sodium alkoxide of sulfonation and methyl-phosphoric acid dimethyl ester；
The B component is made up of the raw material of following weight portion：75 parts of methyl diphenylene diisocyanate, 23 parts of dimethyl ether, 4 parts of organic foam stabilizer.
By the mixing of two groups of materials of above-mentioned AB, polyurethane foams curing rate is fast, under equal conditions, its solidification speed Degree compares the curing rate of embodiment 1 and improves 15%.
Embodiment 4
A kind of dual-component polyurethane foaming agent, the polyurethane foams is made up of two components of AB, the component A by with The raw material composition of lower weight portion：70 parts of PEPA, 80 parts of PPG, the third 30 parts of butane, 3 parts of N-ethylmorpholine, sulphur 3 parts of 3 parts of the castor-oil plant sodium alkoxide of change and methyl-phosphoric acid dimethyl ester；
The B component is made up of the raw material of following weight portion：70 parts of methyl diphenylene diisocyanate, 20 parts of dimethyl ether, 3 parts of organic foam stabilizer.
By the mixing of two groups of materials of above-mentioned AB, polyurethane foams curing rate is fast, under equal conditions, its solidification speed Degree compares the curing rate lower slightly 2% of embodiment 3.But compared to existing technology, its curing rate have submitted significantly.
Embodiment 5
A kind of dual-component polyurethane foaming agent, the polyurethane foams is made up of two components of AB, the component A by with The raw material composition of lower weight portion：170 parts of PEPA, 1,3,3- 50 parts of tetrafluoropropane, 5 parts of N-ethylmorpholine, the castor of sulfonation 5 parts of numb sodium alkoxide and three 4 parts of (2- chloropropyls) phosphates；
The B component is made up of the raw material of following weight portion：90 parts of methyl diphenylene diisocyanate, 1,1,2,2- tetrafluoro 25 parts of ethane, 5 parts of organic foam stabilizer.
By the mixing of two groups of materials of above-mentioned AB, polyurethane foams curing rate is fast, under equal conditions, its solidification speed Degree compares the curing rate lower slightly 1.5% of embodiment 3.But compared to existing technology, its curing rate have submitted significantly.
Wherein embodiment 3 is most preferred embodiment.
A kind of preparation method of dual-component polyurethane foaming agent, comprises the following steps：
1) component A is made, first mixes PPG or PEPA, surfactant, catalyst according to proportioning Close uniform, then using inhalator jar equipment, the material being well mixed is poured into inhalator jar, valve in pressure is filled with again foaming Agent, tank body shake up after by with B component collocation use；
2) by isocyanates and foam stabiliser according to pouring into inhalator jar after proportioning mixing, valve in pressure is filled with foaming Agent, after shaking up by with component A collocation use.
Those skilled in the art will readily occur to its of the present invention after the invention that specification and practice are invented here is considered Its embodiment.The application is intended to any modification of the present invention, purposes or adaptations, these modifications, purposes or The common knowledge in the art that person's adaptations follow the general principle of the present invention and do not invent including the present invention Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following Claim is pointed out.
It should be appreciated that the invention is not limited in the technical scheme being described above, and can without departing from Its scope carries out various modifications and changes.The scope of the present invention is only limited by appended claim.

Claims (10)

1. a kind of dual-component polyurethane foaming agent, it is characterised in that the polyurethane foams is made up of two components of AB, described Component A is made up of the raw material of following weight portion：110～180 parts of polyalcohol, 20～60 parts of foaming agent, 2～6 parts of catalyst, surface 2～5 parts of 2～7 parts of activating agent and fire retardant；The B component is made up of the raw material of following weight portion：50～100 parts of isocyanates, 10～30 parts of foaming agent, 1～6 part of foam stabiliser；The polyalcohol includes in PEPA or PPG Plant or several.
2. a kind of dual-component polyurethane foaming agent according to claim 1, it is characterised in that the polyurethane foams by Two components of AB are constituted, and the component A is made up of the raw material of following weight portion：150～170 parts of polyalcohol, foaming agent 30～50 3～4 parts of part, 3～5 parts of catalyst, 3～5 parts of foam stabiliser and fire retardant；The B component by following weight portion raw material group Into：70～90 parts of isocyanates, 20～25 parts of foaming agent, 3～5 parts of foam stabiliser.
3. a kind of dual-component polyurethane foaming agent according to claim 2, it is characterised in that the polyurethane foams by Two components of AB are constituted, and the component A is made up of the raw material of following weight portion：165 parts of polyalcohol, 45 parts of foaming agent, catalyst 4 3 parts of part, 4 parts of foam stabiliser and fire retardant；The B component is made up of the raw material of following weight portion：75 parts of isocyanates, foaming 23 parts of agent, 4 parts of foam stabiliser.
4. a kind of dual-component polyurethane foaming agent according to claim 3, it is characterised in that the foaming agent includes diformazan Ether, the third butane, 1,3,3- tetrafluoropropanes, trichorotrifluoroethane, dicholorodifluoromethane or 1, in 1,2,2- HFC-134a Plant or several.
5. a kind of dual-component polyurethane foaming agent according to claim 4, it is characterised in that the catalyst includes N, N- Dimethyl cyclohexyl amine, double (2- dimethylaminoethyls) ethers, N, N, N ', N '-tetramethyl Alkylenediamine, triethylamine, N, N- diformazans Base benzylamine, solid amine, N-ethylmorpholine, NMM, N, N '-diethyl piperazine, triethanolamine, DMFA, pyridine or N, N '-dimethyl One or several in pyridine.
6. a kind of dual-component polyurethane foaming agent according to claim 5, it is characterised in that the surfactant includes One or several in the castor-oil plant sodium alkoxide of many polymethyl siloxanes, expoxy propane, ethylene oxide polymer or sulfonation.
7. a kind of dual-component polyurethane foaming agent according to claim 6, it is characterised in that the foam stabiliser includes Organic silicone foam stabiliser.
8. a kind of dual-component polyurethane foaming agent according to claim 7, it is characterised in that the fire retardant includes phosphoric acid One or several in class compound or phosphate compounds.
9. a kind of dual-component polyurethane foaming agent according to claim 8, it is characterised in that the isocyanates includes first One or several in phenylene diisocyanate or methyl diphenylene diisocyanate.
10. the preparation method of a kind of dual-component polyurethane foaming agent according to any one of claim 1～9, its feature It is to comprise the following steps：
1) component A is made, it is first that PPG or PEPA, surfactant, catalyst is equal according to proportioning mixing It is even, then using inhalator jar equipment, the material being well mixed is poured into inhalator jar, valve in pressure is filled with again foaming agent, tank Body shake up after by with B component collocation use；
2) by isocyanates and foam stabiliser according to pouring into inhalator jar after proportioning mixing, valve in pressure is filled with foaming agent, shakes Can use with component A collocation after even.
CN201611213481.XA 2016-12-25 2016-12-25 Two-component polyurethane foaming agent and preparation method thereof Pending CN106632979A (en)

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CN107670653A (en) * 2017-11-13 2018-02-09 太原理工大学 A kind of paper mill sludge fiber micropore oil suction compound and its preparation method and application
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CN109095315A (en) * 2018-09-26 2018-12-28 安徽继宏环保科技有限公司 A kind of polyurethane foams of the man lift of high safety performance
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CN107200862A (en) * 2017-07-14 2017-09-26 成都新柯力化工科技有限公司 A kind of polyurethane rings water conservation system two-component foaming agent and preparation method and application
CN107670653A (en) * 2017-11-13 2018-02-09 太原理工大学 A kind of paper mill sludge fiber micropore oil suction compound and its preparation method and application
CN107670653B (en) * 2017-11-13 2020-09-11 太原理工大学 Papermaking sludge fiber microporous oil absorption compound and preparation method and application thereof
CN108559059A (en) * 2018-05-14 2018-09-21 苏州健能新材料科技有限公司 Polyurethane foams and preparation method thereof
CN108559044A (en) * 2018-05-14 2018-09-21 苏州健能新材料科技有限公司 The preparation method of polyurethane foams
CN108641115A (en) * 2018-05-14 2018-10-12 苏州健能新材料科技有限公司 The preparation method of dual-component polyurethane foaming agent
CN110591034A (en) * 2018-06-13 2019-12-20 合肥华凌股份有限公司 Multi-element premixing foaming device and foaming method
WO2019237728A1 (en) * 2018-06-13 2019-12-19 合肥华凌股份有限公司 Composition kit for preparing polyurethane foam and preparation method and application thereof
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CN109095315A (en) * 2018-09-26 2018-12-28 安徽继宏环保科技有限公司 A kind of polyurethane foams of the man lift of high safety performance
CN109095314A (en) * 2018-09-26 2018-12-28 安徽继宏环保科技有限公司 A kind of foam device of the man lift of high safety performance
CN108892015A (en) * 2018-09-26 2018-11-27 安徽继宏环保科技有限公司 A kind of man lift of high safety performance
CN111546558A (en) * 2020-05-19 2020-08-18 肖彩屏 Preparation process of light multi-layer foam material

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Application publication date: 20170510