CN106188472A - One can quick-drying washing polyurethane foam sponge pad - Google Patents

One can quick-drying washing polyurethane foam sponge pad Download PDF

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Publication number
CN106188472A
CN106188472A CN201610643841.3A CN201610643841A CN106188472A CN 106188472 A CN106188472 A CN 106188472A CN 201610643841 A CN201610643841 A CN 201610643841A CN 106188472 A CN106188472 A CN 106188472A
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polyether polyol
drying
quick
polyurethane foam
sponge pad
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刘振辉
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ANHUI YUEJIAO FURNITURE Co Ltd
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ANHUI YUEJIAO FURNITURE Co Ltd
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Priority to CN201610643841.3A priority Critical patent/CN106188472A/en
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    • 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
    • C08G18/6696—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
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    • C08G18/3206—Polyhydroxy compounds aliphatic
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    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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    • C08G18/30—Low-molecular-weight 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
    • C08G18/40—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
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4081—Mixtures of compounds of group C08G18/64 with other macromolecular 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
    • C08G18/28—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
    • C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
    • C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
    • C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
    • C08G18/4213—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols from terephthalic acid and dialcohols
    • 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
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    • 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
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    • C08G18/6484—Polysaccharides and derivatives thereof
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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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6547—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
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    • 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
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08G2230/00—Compositions for preparing biodegradable polymers
    • 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

Abstract

The invention discloses one can quick-drying washing polyurethane foam sponge pad, be made up of the raw material of following weight portion: microcrystalline Cellulose 35 45, soybean oil 140 180, diethylene glycol 160 200, potassium hydroxide 0.13 0.27, polyether polyol 90 110, foaming agent 8 12, foam stabiliser 1.3 1.6, catalyst 0.4 0.6, toluene di-isocyanate(TDI) 56 68, distilled water 46, basalt fibre 34, polyster fibre 14 17, silane coupler 0.06 0.1, white carbon black 34, stearic acid 0.1 0.2, dibutyl tin laurate 0.1 0.3；Foam-rubber cushion soft comfortable prepared by the present invention is unsuitable out of shape, meets ergonomics buffering, it is possible to elimination, fatigue alleviating, meets the comfort level requirement that people improve day by day, and breathability is excellent, and control aqueous is good, and rapid-drying properties is excellent, is worthy to be popularized.

Description

One can quick-drying washing polyurethane foam sponge pad
Technical field
The present invention relates to foam sponge technical field, particularly relating to one can quick-drying washing polyurethane foam sponge pad.
Background technology
Polyurethane low resilience urethane foam resilient foam, due to the comfort property of its excellence, has been widely used in household articles, automobile, footwear The field such as material, medical apparatus and instruments, polyurethane rebound foam, due to the molecular structure of its uniqueness, has higher comfort property, when being subject to During to certain pressure, polyurethane rebound foam can change shape along with pressure, makes pressure be evenly distributed, and reduces local pressure Point, after pressure is released, its shape the most slowly returns to original state.But due to the hole-closing structure of himself, polyurethane slow rebound steeps The permeability of foam and damping sound absorbing capabilities are poor." synthesis of soybean oil polyol and grinding of polyurethane low resilience urethane foam resilient foam performance Studying carefully " author has been synthesized modified soybean oil by maleic anhydride and soybean oil, then with diethylene glycol and modified soybean in a literary composition Oil reacts under the catalysis of potassium hydroxide, has synthesized soybean oil polyol.The soybean oil polyol of recycling synthesis is prepared for greatly Oleum Glycines polyol based polyurethane low resilience urethane foam resilient foam, in article, the stretching to soybean oil polyol based polyurethanes low resilience urethane foam resilient foam is strong The mechanical properties such as degree, elongation at break and 40% degree of compression are studied, and find that the use of soybean oil polyol can improve polyurethane The permeability damping capacity of low resilience urethane foam resilient foam and sound absorbing capabilities, but the decline of mechanical property can be caused, propose to increase foaming Agent water consumption or raising isocyanate index, can have higher ventilative at soybean oil polyol based polyurethanes low resilience urethane foam resilient foam On the premise of performance, damping capacity and sound absorbing capabilities, improve its mechanical property.
Although author is by soybean oil modified thus synthesize soybean oil polyol based polyurethanes rebound foam, improve slow The permeability of recovery sponge, damping capacity and sound absorbing capabilities, but the bad shortcoming of its bad mechanical strength, toughness reduces material The service life of material and the comfort level of people, affect the quality of product, does not promotes expanding economy, and its slow time prepared Playing sponge and can't fully meet the nowadays people's various demands to foam-rubber cushion, so needing further to improve, improving it Other performances such as mechanical property, heat stability, hydrophobicity, expand application and increase the service life.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that one can quick-drying washing polyurethane foam sponge Pad.
The present invention is achieved by the following technical solutions:
One can quick-drying washing polyurethane foam sponge pad, be made up of the raw material of following weight portion: microcrystalline Cellulose 35- 45, soybean oil 140-180, diethylene glycol 160-200, potassium hydroxide 0.13-0.27, polyether polyol 90-110, foaming agent 8-12, Foam stabiliser 1.3-1.6, catalyst 0.4-0.6, toluene di-isocyanate(TDI) 56-68, distilled water 4-6, basalt fibre 3-4, Polyster fibre 14-17, silane coupler 0.06-0.1, white carbon black 3-4, stearic acid 0.1-0.2, dibutyl tin laurate 0.1- 0.3。
Described one can quick-drying washing polyurethane foam sponge pad, be made up of step in detail below:
(1) the microcrystalline Cellulose dry toluene of 6-8 times amount is disperseed, be added to after being uniformly dispersed in there-necked flask, make with nitrogen For protective gas, heating in water bath liter high-temperature, to 80-90 DEG C, drips octadecylisocyanate, wherein octadecyl Carbimide. Ester and microcrystalline Cellulose mix according to mass ratio 1:5, mechanic whirl-nett reaction 2-4h, and reaction uses the cable-styled reflux extraction of acetone after terminating 24-30h, takes out post-drying standby to constant weight；
(2) product that in four-hole boiling flask prepared by addition soybean oil and step (1), with nitrogen as protective gas, exists afterwards Both are thoroughly mixed uniformly by 160-180 DEG C, then are placed in heating mantle by four-hole boiling flask, add diethylene glycol and hydroxide Potassium, rises high-temperature and reacts 3-4h to 200-220 DEG C, and washing purifies, separatory removes unreacted impurity, standby after drying；
(3) polyster fibre is placed in vacuum drying oven dries to constant weight, by molten for the dehydrated alcohol of silane coupler 3-4 times amount Solve, be stirring evenly and then adding into white carbon black and basalt fibre stirring 15-30min, the most under nitrogen atmosphere mixed slurry be added to In polyster fibre, ultrasonic disperse is uniform, adds vacuum dehydration at 120-135 DEG C after stearic acid, standby after natural cooling；
(4) product, polyether polyol and other surplus materialss mixing in addition to toluene di-isocyanate(TDI) prepared by step (2), At room temperature stir with the rotating speed of 3000 revs/min, be stirring evenly and then adding into product prepared by step (3), be subsequently adding first Pour into rapidly in foam box after phenylene diisocyanate stirring 4-6S, remove from casing after 15-20min and get final product.
Described one can quick-drying washing polyurethane foam sponge pad, described polyether polyol is many by polyether polyol 1, polyethers Unit alcohol 2, polyether polyol 3 precentagewise content 10%-30%, 10%-20%, 20%-50% respectively mix, polyether polyol 1 For hydroxyl value in the trifunctional polyether polyol of 50-100, polyether polyol 2 is the hydroxyl value two functional group's polyether polyols at 35-80 Alcohol, polyether polyol 3 is the hydroxyl value trifunctional polyether polyol at 250-280.
The invention have the advantage that vegetable oil based polyalcohol is a kind of potential Biodegradable material, with the high score of synthesis Sub-material is compared, and can effectively alleviate problem of environmental pollution, the present invention at the discarded rear degradable or Partial digestion of goods Utilize cellulose concentration advantage little, degradable modified high-molecular synthetic material, but the mechanical property of cellulosic material is the highest, Poor mechanical property and the most high thermally-stabilised application that governs, the present invention uses octadecylisocyanate graft modification crystallite Cellulose improves its hot strength, heat stability and wearability, then with it to soybean oil modified, obtains the soybean oil of excellent performance Polyhydric alcohol, environmental protection, then by soybean oil polyol and unclassified stores synthesis of polyurethane foam sponge, there is dredging of excellence Water, damp, the performance such as breathe freely, also improve intensity and the mechanical property of sponge, also utilize polyster fibre to have good springiness, be difficult to Deformation, the performance such as corrosion-resistant and quick-drying washable are as the enhancing phase of sponge, and the basalt fibre coupling modifier of interpolation improves its machine Tool performance and intensity, and can be interspersed in strand in sponge foaming polymerization process through modified, it is uniformly dispersed, does not rolls into a ball Poly-, effectively raise the quick-drying washable, high-strength, antibacterial of foam sponge and the effect of reinforcement, foam-rubber cushion prepared by the present invention is soft Soft comfortable unsuitable out of shape, meet ergonomics buffering, it is possible to eliminate, fatigue alleviating, meet the comfort level that people improve day by day and want Asking, breathability is excellent, and control aqueous is good, and rapid-drying properties is excellent, is worthy to be popularized.
Detailed description of the invention
One can quick-drying washing polyurethane foam sponge pad, be made up of the raw material of following weight portion (kilogram): crystallite Cellulose 35, soybean oil 140, diethylene glycol 160, potassium hydroxide 0.13, polyether polyol 90, foaming agent 8, foam stabiliser 1.3, Catalyst 0.4, toluene di-isocyanate(TDI) 56, distilled water 4, basalt fibre 3, polyster fibre 14, silane coupler 0.06, white carbon black 3, stearic acid 0.1, dibutyl tin laurate 0.1.
Described one can quick-drying washing polyurethane foam sponge pad, be made up of step in detail below:
(1) the microcrystalline Cellulose dry toluene of 6 times amount is disperseed, be added to after being uniformly dispersed in there-necked flask, use nitrogen conduct Protective gas, heating in water bath rises high-temperature to 80 DEG C, drips octadecylisocyanate, wherein octadecylisocyanate and micro- Crystalline cellulose mixes according to mass ratio 1:5, mechanic whirl-nett reaction 2h, and reaction uses acetone cable-styled reflux extraction 24h after terminating, and takes out Post-drying is standby to constant weight；
(2) product that in four-hole boiling flask prepared by addition soybean oil and step (1), with nitrogen as protective gas, afterwards 160 DEG C both are thoroughly mixed uniformly, then four-hole boiling flask is placed in heating mantle, add diethylene glycol and potassium hydroxide, rise high temperature Spending to 200 DEG C of reaction 3h, washing purifies, separatory removes unreacted impurity, standby after drying；
(3) polyster fibre is placed in vacuum drying oven dries to constant weight, silane coupler is molten with the dehydrated alcohol of 3 times amount Solve, be stirring evenly and then adding into white carbon black and basalt fibre stirring 15min, the most under nitrogen atmosphere mixed slurry be added to terylene In fiber, ultrasonic disperse is uniform, adds vacuum dehydration at 120 DEG C after stearic acid, standby after natural cooling；
(4) product, polyether polyol and other surplus materialss mixing in addition to toluene di-isocyanate(TDI) prepared by step (2), At room temperature stir with the rotating speed of 3000 revs/min, be stirring evenly and then adding into product prepared by step (3), be subsequently adding first Pour into rapidly in foam box after phenylene diisocyanate stirring 4S, remove from casing after 15min and get final product.
Described one can quick-drying washing polyurethane foam sponge pad, described polyether polyol is many by polyether polyol 1, polyethers Unit's alcohol 2, polyether polyol 3 precentagewise content 10%%, 10%%, 20%% respectively mixes, and polyether polyol 1 is that hydroxyl value is 50 Trifunctional polyether polyol, polyether polyol 2 be hydroxyl value 35 two functional group's polyether polyol, polyether polyol 3 is Hydroxyl value 250 trifunctional polyether polyol.
Preparing polyurethane foam sponge according to the step of embodiment, and it is carried out performance test, result is as follows:
Hot strength (kPa): 123；Tensile elongation (%): 108；Tearing strength (N/cm): 12.9；Rebound degree (%): 7.5； CLD40% (kPa): 2.44.

Claims (3)

1. one kind can quick-drying washing polyurethane foam sponge pad, it is characterised in that be made up of the raw material of following weight portion: micro- Crystalline cellulose 35-45, soybean oil 140-180, diethylene glycol 160-200, potassium hydroxide 0.13-0.27, polyether polyol 90-110, Foaming agent 8-12, foam stabiliser 1.3-1.6, catalyst 0.4-0.6, toluene di-isocyanate(TDI) 56-68, distilled water 4-6, the Black Warrior Rock fiber 3-4, polyster fibre 14-17, silane coupler 0.06-0.1, white carbon black 3-4, stearic acid 0.1-0.2, tin dilaurate two fourth Base stannum 0.1-0.3.
The most according to claim 1, one can quick-drying washing polyurethane foam sponge pad, it is characterised in that by walking in detail below Suddenly make:
(1) the microcrystalline Cellulose dry toluene of 6-8 times amount is disperseed, be added to after being uniformly dispersed in there-necked flask, make with nitrogen For protective gas, heating in water bath liter high-temperature, to 80-90 DEG C, drips octadecylisocyanate, wherein octadecyl Carbimide. Ester and microcrystalline Cellulose mix according to mass ratio 1:5, mechanic whirl-nett reaction 2-4h, and reaction uses the cable-styled reflux extraction of acetone after terminating 24-30h, takes out post-drying standby to constant weight；
(2) product that in four-hole boiling flask prepared by addition soybean oil and step (1), with nitrogen as protective gas, exists afterwards Both are thoroughly mixed uniformly by 160-180 DEG C, then are placed in heating mantle by four-hole boiling flask, add diethylene glycol and hydroxide Potassium, rises high-temperature and reacts 3-4h to 200-220 DEG C, and washing purifies, separatory removes unreacted impurity, standby after drying；
(3) polyster fibre is placed in vacuum drying oven dries to constant weight, by molten for the dehydrated alcohol of silane coupler 3-4 times amount Solve, be stirring evenly and then adding into white carbon black and basalt fibre stirring 15-30min, the most under nitrogen atmosphere mixed slurry be added to In polyster fibre, ultrasonic disperse is uniform, adds vacuum dehydration at 120-135 DEG C after stearic acid, standby after natural cooling；
(4) product, polyether polyol and other surplus materialss mixing in addition to toluene di-isocyanate(TDI) prepared by step (2), At room temperature stir with the rotating speed of 3000 revs/min, be stirring evenly and then adding into product prepared by step (3), be subsequently adding first Pour into rapidly in foam box after phenylene diisocyanate stirring 4-6S, remove from casing after 15-20min and get final product.
3. can quick-drying washing polyurethane foam sponge pad according to one described in claim 1-2, it is characterised in that described polyethers is many Unit's alcohol is by polyether polyol 1, polyether polyol 2, polyether polyol 3 precentagewise content 10%-30%, 10%-20%, 20%-respectively 50% mixes, and polyether polyol 1 is the hydroxyl value trifunctional polyether polyol at 50-100, and polyether polyol 2 is that hydroxyl value exists Two functional group's polyether polyol of 35-80, polyether polyol 3 is the hydroxyl value trifunctional polyether polyol at 250-280.
CN201610643841.3A 2016-08-08 2016-08-08 One can quick-drying washing polyurethane foam sponge pad Pending CN106188472A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107513149A (en) * 2017-08-31 2017-12-26 苏州市苏真床垫有限公司 A kind of preparation method of terylene foaming mattress
CN111499828A (en) * 2020-04-15 2020-08-07 黎明化工研究设计院有限责任公司 Resin composition for low-density high-flame-retardant polyurethane material and application thereof

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Publication number Priority date Publication date Assignee Title
CN107513149A (en) * 2017-08-31 2017-12-26 苏州市苏真床垫有限公司 A kind of preparation method of terylene foaming mattress
CN111499828A (en) * 2020-04-15 2020-08-07 黎明化工研究设计院有限责任公司 Resin composition for low-density high-flame-retardant polyurethane material and application thereof
CN111499828B (en) * 2020-04-15 2022-04-12 黎明化工研究设计院有限责任公司 Resin composition for low-density high-flame-retardant polyurethane material and application thereof

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