CN104513352A - Preparation method of single-component polyurethane foam joint mixture - Google Patents

Preparation method of single-component polyurethane foam joint mixture Download PDF

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Publication number
CN104513352A
CN104513352A CN201410773472.0A CN201410773472A CN104513352A CN 104513352 A CN104513352 A CN 104513352A CN 201410773472 A CN201410773472 A CN 201410773472A CN 104513352 A CN104513352 A CN 104513352A
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preparation
foam
polyurethane foam
composite catalyst
combined polyether
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CN201410773472.0A
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CN104513352B (en
Inventor
张洪秀
杨录新
高俊
苏畅
张磊
周颖
刘连茹
陈海云
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Tianyuan (Yichang) new Mstar Technology Ltd
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YINGKOU TANYUN CHEMICALS RESEARCH INSTITUTE CORP
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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
    • C08G18/4009—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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/161—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22
    • 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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/166—Catalysts not provided for in the groups C08G18/18 - C08G18/26
    • C08G18/168—Organic compounds
    • 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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/20—Heterocyclic amines; Salts thereof
    • C08G18/2045—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings
    • C08G18/2063—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings having two nitrogen atoms in the condensed ring system
    • 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
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/20—Heterocyclic amines; Salts thereof
    • C08G18/2081—Heterocyclic amines; Salts thereof containing at least two non-condensed heterocyclic rings
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • 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
    • C08J9/141—Hydrocarbons
    • 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
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C08J2375/08—Polyurethanes from polyethers

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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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

The invention relates to a preparation method of a single-component polyurethane foam joint mixture, and specifically provides a preparation method of a single-component polyurethane foam joint mixture capable of achieving one-time foaming and with super-long linear meter. The method comprises preparation of a composite catalyst and a combined polyether. The method is simple and easy to carry out. The invention adopts dual catalyst to strengthen gel catalytic effect, and can promote rapid curing and fixing of sprayed foam and realize one-time foaming and fixing. A coupling agent is added to react with polyol containing hydroxyl and amino and polymer to obtain silane groups with moisture curing crosslinking mechanism for accelerating foam curing. The added organic solvent reduces material viscosity and density of unit foam material; and under the effect of fast curing reaction of composite catalyst and coupling agent, the linear meter the foam is increased. The method has the realizes easy control of construction operation and spray amount, saves labor cost, increases foaming volume of the sprayed foam, increases construction area to 1.39-1.89 times that of the ordinary joint mixture, reduces the material cost, and solves the problems of the existing products.

Description

A kind of preparation method of single-component cranny filler of polyurethane foam
Technical field
The present invention relates to the preparation method of single-component cranny filler of polyurethane foam, specifically a kind of preparation method of single-component cranny filler of polyurethane foam that can realize one step foaming and there is overlength linear meter.
Technical background
Single-component cranny filler of polyurethane foam is the special polyurethane products of the one components such as base polyurethane prepolymer for use as, catalyzer, whipping agent, propellent stored with single inhalator jar packaged.Existing foamed glue product in use can the foamed polyurethane materials of instantaneous ejection, foam material can expand under pressure, namely one step foaming is realized, then after absorbing the moisture in air, after carrying out reaction releasing carbonic acid gas, carry out second time of foaming again, foam, through overcuring, reaches be filled with a sealing building joint or hole or suit doors and installs bonding, fixing object.
The single-component cranny filler of polyurethane foam used at present is due to the reason in preparation method, foaming process need carry out 2 times, first time, foam overrun was only below 30%, and the moisture that need absorb in air could solidify in complete expansion, formation second time of foaming expands, and continues rate of expansion more than 70%.Therefore, workmen to ejection how many materials is advisable to be not easy to grasp and control very much, as excessive in ejection material, will produce unnecessary expander, affect construction effect, need cut away, cause the increasing of Material Cost and cost of labor.
Summary of the invention
For above-mentioned situation, the object of this invention is to provide a kind of preparation method of single-component cranny filler of polyurethane foam of one step foaming.The method uses composite catalyst and adds coupling agent, frothy gel speed can be improved, rapid shaping, and add organic solvent and make single-component cranny filler of polyurethane foam when construction usage, ejection foam undergoes rapid expansion is fixed, can one step foaming sizing 90-100%, and rate of expansion is high, increases foam volume.
The present invention comprises for the adopted technical scheme that solves the problem; The preparation of the preparation of composite catalyst, the preparation of combined polyether and cranny filler of polyurethane foam.
1, the preparation of composite catalyst
Formula:
Composition specification weight ratio
2 methyl caproic acid technical grade 60-80g
1,8-diazabicylo-dicyclo (5,4,0)-7-hendecene technical grade 70-80g
Preparation method
In there-necked flask, add 2 methyl caproic acid in proportion, open and stir.At dropping 1,8-diazabicylo-dicyclo (5,4,0)-7-hendecene at temperature 10-15 DEG C, time for adding 25 ~ 35 minutes.Be warming up to 85 ~ 95 DEG C, in 1.5 ~ 2.5 hours reaction times, be down to room temperature, filter, obtain composite catalyst.
2, the preparation of combined polyether
Formula:
2,2-above dual-morpholinyl diethyl ethers are catalyzer; 3-isocyanic ester propyl trimethoxy silicane is coupling agent; Methylene dichloride is organic solvent; Chlorinated paraffin-52 is auxiliary agent.
Preparation method
In there-necked flask, after adding various raw material successively by above formula, at room temperature stir 1 hour, make combined polyether.
3, the preparation of cranny filler of polyurethane foam
Technical formula
Preparation method
By make combined polyether, polymethylene multi-phenenyl isocyanate, dme, the third butane by formula rate, filling one-tenth single-component cranny filler of polyurethane foam finished product on filling machine.
The inventive method is simple, easy to implement.What adopt is the method for composite catalyst.The catalyzer that traditional single-component cranny filler of polyurethane foam uses is only 2,2-dual-morpholinyl diethyl ether.The present invention adds self-control composite catalyst and 2,2-dual-morpholinyl diethyl ether is dual catalyst, strengthens Gel catalyzes effect, can promote the sizing of ejection foam fast setting.
Adopt the method adding coupling agent.Add 3-isocyanic ester propyl trimethoxy silicane and hydroxyl, amino polyvalent alcohol and polymer reaction, the silane group obtaining having moisture curing mechanism of crosslinking accelerates the solidification of foam.
Employing adds organic solvent, reduces material viscosity, reduces Unit Foam material density, under composite catalyst and the effect of coupling agent rapid reaction curing molding, improves foam linear meter number.Compare by 750ml specification sealing agent of single component polyurethane foam; Shaping 4cm is wide, and the foam that 3cm is high sends out body, and it is long that product of the present invention can spray 32-34 rice.And existing common single-component cranny filler of polyurethane foam is only 18-23 rice.Carry out second time of foaming to expand the waste brought owing to avoiding the ejection foam moisture absorbed again in air, shaping speed soon, just make constructing operation and spray volume easy to control, save cost of labor; Meanwhile, add the foam volume of ejection foam, increase by 1.39 ~ 1.89 times that construction area is common spackling, reduce material cost, thus reduce construction cost.Solve currently available products Problems existing.
The present invention is without accompanying drawing
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail
Embodiment 1
Synthesis composite catalyst
Be furnished with constant temperature water bath apparatus, and be equipped with in thermometer, dropping funnel, churned mechanically 200ml there-necked flask, adding 65.6 grams of 2 methyl caproic acids, opening and stir.In dropping funnel, add 1,8-diazabicylo-dicyclo (5,4,0)-7-hendecene 77 grams, control temperature 10 DEG C, be slowly added dropwise in there-necked flask, within 30 minutes, drip and finish.Be warming up to 90 DEG C, react after 2 hours, be cooled to room temperature, filter, obtain composite catalyst.
The preparation of combined polyether
Formula:
Preparation method
In the there-necked flask of 500ml, after adding various raw material successively by above formula, at room temperature, stir 1 hour.
Make combined polyether.
The preparation of cranny filler of polyurethane foam
In 750mL inhalator jar, add combined polyether 300g, polymethylene multi-phenenyl isocyanate 240g, then filling dme 60g on aerosol filling machine, the third butane 75g, jolting 3min, at room temperature place 24h and get product.
The single-component cranny filler of polyurethane foam made one step foaming amount of drawing a design is 96%; Get foam 4cm wide, 3cm is high, and linear meter is 33 meters long, in table 1.
Embodiment 2
Synthesis composite catalyst
Be furnished with constant temperature water bath apparatus, and be equipped with in thermometer, dropping funnel, churned mechanically 200ml there-necked flask, adding 65.6 grams of 2 methyl caproic acids, opening and stir.In dropping funnel, add 1,8-diazabicylo-dicyclo (5,4,0)-7-hendecene 77 grams, at control temperature 14 DEG C, be slowly added dropwise in there-necked flask, within 28 minutes, drip and finish.Be warming up to 85 DEG C, react after 2 hours, be cooled to room temperature, filter, obtain composite catalyst.
The preparation of combined polyether
Formula:
Preparation method
In the there-necked flask of 500ml, after adding various raw material successively by above formula, at room temperature, stir 1 hour.
Make combined polyether.
The preparation of cranny filler of polyurethane foam
In 750mL inhalator jar, add combined polyether 300g, polymethylene multi-phenenyl isocyanate 240g, then filling dme 60g on aerosol filling machine, the third butane 75g, jolting 3min, at room temperature place 24h and get product.
The single-component cranny filler of polyurethane foam made one step foaming amount of drawing a design is 98.8%; Get foam 4cm wide, 3cm is high, and linear meter is 33.8 meters long, in table 1.
Embodiment 3
Synthesis composite catalyst
Be furnished with constant temperature water bath apparatus, and be equipped with in thermometer, dropping funnel, churned mechanically 200ml there-necked flask, adding 65.6 grams of 2 methyl caproic acids, opening and stir.In dropping funnel, add 1,8-diazabicylo-dicyclo (5,4,0)-7-hendecene 77 grams, at control temperature 12 DEG C, be slowly added dropwise in there-necked flask, within 33 minutes, drip and finish.Be warming up to 93 DEG C, react after 2.5 hours, be cooled to room temperature, filter, obtain composite catalyst.
The preparation of combined polyether
Formula:
In the there-necked flask of 500ml, after adding various raw material successively by above formula, at room temperature, stir 1 hour.
Make combined polyether.
The preparation of cranny filler of polyurethane foam
In 750mL inhalator jar, add combined polyether 300g, polymethylene multi-phenenyl isocyanate 240g, then on aerosol filling machine, sealing, filling dme 60g, the third butane 75g, jolting 3min, at room temperature place 24h and get product.
The single-component cranny filler of polyurethane foam made one step foaming amount of drawing a design is 98.2%; Get foam 4cm wide, 3cm is high, and linear meter is 34 meters long, in table 1.
Coventional type single-component cranny filler of polyurethane foam and the invention process case data Comparative result cartogram table 1
Product type Surface drying speed (minute) One step foaming degree (%) Linear meter (rice/tank)
Traditional 7 30 20.5
Embodiment 1 4 96 32.8
Embodiment 2 4 98.1 34.0
Embodiment 3 4 100 33.4

Claims (4)

1. a preparation method for single-component cranny filler of polyurethane foam, is characterized in that comprising the preparation of the preparation of composite catalyst, the preparation of combined polyether and cranny filler of polyurethane foam.
2. method according to claim 1, is characterized in that;
The preparation of composite catalyst
Formula:
Composition specification weight ratio
2 methyl caproic acid technical grade 60-80g
1,8-diazabicylo-dicyclo (5,4,0)-7-hendecene technical grade 70-80g
Preparation method
In there-necked flask, add 2 methyl caproic acid in proportion, open and stir.At dropping 1,8-diazabicylo-dicyclo (5,4,0)-7-hendecene at temperature 10-15 DEG C, time for adding 25 ~ 35 minutes.Be warming up to 85 ~ 95 DEG C, in 1.5 ~ 2.5 hours reaction times, be down to room temperature, filter, obtain composite catalyst.
3. method according to claim 1, is characterized in that;
The preparation of combined polyether
Formula:
Preparation method
In there-necked flask, after adding various raw material successively by above formula, at room temperature stir 1 hour, make combined polyether.
4. method according to claim 1, is characterized in that;
The preparation of cranny filler of polyurethane foam
Technical formula
Preparation method
By make combined polyether, polymethylene multi-phenenyl isocyanate, dme, the third butane by formula rate, filling one-tenth single-component cranny filler of polyurethane foam finished product on filling machine.
CN201410773472.0A 2014-12-03 2014-12-03 A kind of preparation method of single-component cranny filler of polyurethane foam Active CN104513352B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105733680A (en) * 2016-04-27 2016-07-06 石家庄东翔化工有限公司 Method for producing shaping paraffin serving as polyurethane foam crack filler
CN105906774A (en) * 2016-06-09 2016-08-31 营口天元化工研究所股份有限公司 Recoverable one-component polyurethane foam joint mixture contained in pressure steel cylinder
CN107880239A (en) * 2017-12-14 2018-04-06 安徽威朗化工科技有限公司 A kind of single-component cranny filler of polyurethane foam
CN108084480A (en) * 2017-12-14 2018-05-29 安徽威朗化工科技有限公司 A kind of combined polyether and its single-component cranny filler of polyurethane foam of production
CN108865042A (en) * 2017-05-15 2018-11-23 山东居欢新型材料科技有限公司 A kind of B1 grades of flame retardant type single-component cranny filler of polyurethane foam and preparation method thereof
CN109749040A (en) * 2018-12-20 2019-05-14 东元科技有限公司 A kind of single-component cranny filler of polyurethane foam
CN110183606A (en) * 2019-05-31 2019-08-30 李学友 A kind of mono-component polyurethane micro-foaming material and method with strong adhesive property
CN114478982A (en) * 2022-03-03 2022-05-13 西安科技大学 Liquid retarding hole sealing material and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101067072A (en) * 2007-06-05 2007-11-07 任洪青 Sealing agent of single component polyurethane foam
WO2010139710A1 (en) * 2009-06-05 2010-12-09 Basf Se Composite parts containing plastically deformable rigid polyurethane foam, adhesive, and covering material
CN103834345A (en) * 2012-11-22 2014-06-04 湖北回天胶业股份有限公司 One-component moisture-cured polyurethane sealant with excellent ultraviolet resistance
CN104744668A (en) * 2013-12-31 2015-07-01 锋泾（中国）建材集团有限公司 Low temperature-resistant single-component polyurethane foam joint mixture and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101067072A (en) * 2007-06-05 2007-11-07 任洪青 Sealing agent of single component polyurethane foam
WO2010139710A1 (en) * 2009-06-05 2010-12-09 Basf Se Composite parts containing plastically deformable rigid polyurethane foam, adhesive, and covering material
CN103834345A (en) * 2012-11-22 2014-06-04 湖北回天胶业股份有限公司 One-component moisture-cured polyurethane sealant with excellent ultraviolet resistance
CN104744668A (en) * 2013-12-31 2015-07-01 锋泾（中国）建材集团有限公司 Low temperature-resistant single-component polyurethane foam joint mixture and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105733680A (en) * 2016-04-27 2016-07-06 石家庄东翔化工有限公司 Method for producing shaping paraffin serving as polyurethane foam crack filler
CN105733680B (en) * 2016-04-27 2017-07-14 石家庄东翔化工有限公司 Sizing paraffin preparation method for cranny filler of polyurethane foam
CN105906774A (en) * 2016-06-09 2016-08-31 营口天元化工研究所股份有限公司 Recoverable one-component polyurethane foam joint mixture contained in pressure steel cylinder
CN108865042A (en) * 2017-05-15 2018-11-23 山东居欢新型材料科技有限公司 A kind of B1 grades of flame retardant type single-component cranny filler of polyurethane foam and preparation method thereof
CN107880239A (en) * 2017-12-14 2018-04-06 安徽威朗化工科技有限公司 A kind of single-component cranny filler of polyurethane foam
CN108084480A (en) * 2017-12-14 2018-05-29 安徽威朗化工科技有限公司 A kind of combined polyether and its single-component cranny filler of polyurethane foam of production
CN109749040A (en) * 2018-12-20 2019-05-14 东元科技有限公司 A kind of single-component cranny filler of polyurethane foam
CN110183606A (en) * 2019-05-31 2019-08-30 李学友 A kind of mono-component polyurethane micro-foaming material and method with strong adhesive property
CN114478982A (en) * 2022-03-03 2022-05-13 西安科技大学 Liquid retarding hole sealing material and preparation method thereof

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