CN104774305A - Ground glass fiber reinforced rigid foam material and preparation method thereof - Google Patents
Ground glass fiber reinforced rigid foam material and preparation method thereof Download PDFInfo
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- CN104774305A CN104774305A CN201510040132.1A CN201510040132A CN104774305A CN 104774305 A CN104774305 A CN 104774305A CN 201510040132 A CN201510040132 A CN 201510040132A CN 104774305 A CN104774305 A CN 104774305A
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Abstract
The invention discloses a ground glass fiber reinforced rigid foam material and a preparation method thereof, and relates to a composite material and a structure material, and preparation methods thereof. The ground glass fiber reinforced rigid foam material is prepared from modified glass fiber powder, polyether polyol A, polyether polyol B, polyether polyol C, polypropylene oxide-ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N,N-dimethylcyclohexylamine, a catalyst A33, potassium octanoate, glycerin, a foaming stabilizer and polyisocyanate. The ground glass fiber reinforced rigid foam material has the characteristics of convenient production, low production cost, good impact buffering and resisting property, good compression resistance, large supporting force, good qualitative sense, light weight, good water resistance, no worm damage, and environmental protection, and is suitable for packaging precise apparatuses, equipment, electronic components and communication tools.
Description
Technical field
The present invention is a kind of, and what grind that glass fiber reinforced polyurethane rigid foam material and preparation method thereof relates to is a kind of matrix material, a kind of structured material and preparation method thereof, is applicable to packaging precision instrument, equipment, electronic devices and components, communication tool etc.
Background technology
Instrument, equipment, in transportation, for preventing it to be damaged, often need to use the wrapping material with shock absorption.Comparatively conventional wrapping material have metal, paper, foamed poly styrene plastic etc., but these traditional wrapping material also exist or this or that shortcoming, such as, although metal packing material has high strength, plant and instrument can be protected from the destruction of external force, if but instrument, equipment self bumps against with it, because it lacks buffering toughness, can damage instrument, equipment equally; Although papery packaging, foamed poly styrene plastic packaging have certain buffering toughness, but intensity is lower, in other words, these packaging anti-collision effect are better, but anti-extrusion less effective, in addition, papery packaging is by paper a large amount of for waste, and the making raw material mainly timber of paper, so, excessive use papery packaging nature causes a large amount of timber to be cut down, and is unfavorable for environment protection and soil conservation; And the polystyrene used in foamed poly styrene plastic in use often has monomer styrene precipitation, unfavorable to HUMAN HEALTH, abandon rear easy generation white pollution.
Urethane full name is polyurethane(s), is the general designation of the macromolecular cpd containing repetition carbamate groups on main chain.It is formed by organic diisocyanate or polyisocyanates and dihydroxyl or polyol addition polymerization.Polyurethane material, have that heat-insulation and heat-preservation, light weight shock resistance are good, convenient formation, production efficiency advantages of higher, thus there is very wide purposes, rubber, plastics, nylon etc. can be replaced, as the heat-insulating heat-preserving material of the different occasions such as airport, hotel, household, factory building, also can as the wrapping material etc. of instrument, equipment.Thus, in recent years, polyurethane rigid foam material is generally accepted by people for packaging field.But traditional urethane wrapping material density is lower, although shock resistance is better, anti-pressure ability is poor, anchorage force is little.
So invention one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, the anti-pressure ability and the anchorage force that improve urethane are very necessary.
Summary of the invention
The object of the invention is invention one and grind glass fiber reinforced polyurethane rigid foam material and preparation method thereof, this grinds glass fiber reinforced polyurethane rigid foam material except the feature such as buffering toughness, lightweight with general polyurethane material, have more good compressive property and higher anchorage force, the use needs of packaging field can be met better.
One grinds glass fiber reinforced polyurethane rigid foam material, is prepared from by the raw material comprising following parts by weight:
Modification glass powder 5-15
Polyether glycol A 18-22
Polyether glycol B 28-40
Polyether glycol C 15-25
Polyoxytrimethylene one ethylene oxide copolyether 2-3
Benzoic anhydride polyester polyol 20-30
Water 6-8
N, N-dimethylcyclohexylamine 0.1-0.2
Catalyst A 33 0.1-0.2
Potassium octanoate 0.4-0.8
Glycerine 1-1.4
Foaming stabilizer 0.2-0.6
Polyisocyanates 120
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, wherein said modification glass powder be adopt sodium hydroxide and γ-glycidylpropyl Trimethoxy silane combination treatment modification grind glass powder, particle diameter 80-160 order.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, and wherein said polyether glycol A hydroxyl value is 20-30mgKOH/g, acid number≤0.08 mgKOH/g.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, and wherein said polyether glycol B hydroxyl value is 40-50mgKOH/g, acid number≤0.08 mgKOH/g.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, and wherein said polyether glycol C hydroxyl value is 400-460mgKOH/g, acid number≤0.15 mgKOH/g.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, and wherein said polyoxytrimethylene one ethylene oxide copolyether hydroxyl value is 22-28mgKOH/g, acid number≤0.08 mgKOH/g.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, and wherein said benzoic anhydride polyester polyol hydroxyl value is 360-400
MgKOH/g, acid number≤2.0 mgKOH/g.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, wherein said foaming stabilizer is the silicone based foaming stabilizer of silicon-carbon bonds hydrolysis type, viscosity (25 DEG C) is 600-800mPas, and pH value (1% aqueous solution) is 6.5-7.5.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, and wherein said polyisocyanates NCO massfraction is wherein 29.5-32.5%.
A kind of preparation method grinding glass fiber reinforced polyurethane rigid foam material of the present invention, it comprises the following steps:
(1), by weight 100:1-5 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 30-60min that glass powder massfraction cleaning is 15-25% will through, deionized water rinsing to washing lotion is neutral, be dipped in 60-120min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 110-120 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 10-20min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 3-5min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 53-73 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
One of the present invention grinds glass fiber reinforced polyurethane rigid foam material, and it is convenient to manufacture, and namely traditional polyurethane foam production technique can be used for its production and processing without the need to improving, and in production process, mechanization degree is higher, and required labor force is less, and production cost is low.A kind of urethane wrapping material are compared with metal packing material, and buffering shock resistance is good, and texture is good, lightweight, convenient transportation, and cost is low; A kind of urethane wrapping material are compared with paper wrapper, and water resistance is good, does not damage by worms, and support strength is high, without the need to cutting down a large amount of trees, is conducive to soil conservation and environment protection; A kind of urethane wrapping material are compared with foamed poly styrene plastic, and intensity is higher, not yielding, can not discharge toxic gas vinylbenzene, more environmental friendliness; A kind of urethane wrapping material urethane wrapping material traditional with other are compared, and intensity is higher, resistance to compression better effects if, and anchorage force is larger, in use procedure, both can prevent from colliding, and also can prevent extruding, better to the protective value of instrument, equipment, communication tool etc.
Embodiment
Below adopt embodiment to illustrate one of the present invention and grind glass fiber reinforced polyurethane rigid foam material and preparation method thereof.
Embodiment 1: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 80 order) 5kg
Polyether glycol A(hydroxyl value is 20mgKOH/g) 18kg
Polyether glycol B(hydroxyl value is 40mgKOH/g) 28kg
Polyether glycol C(hydroxyl value is 400mgKOH/g) 15kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 22mgKOH/g) 2kg
Benzoic anhydride polyester polyol (hydroxyl value is 360mgKOH/g) 20kg
Water 6kg
N, N-dimethylcyclohexylamine 0.1kg
Catalyst A 33 0.1kg
Potassium octanoate 0.4kg
Glycerine 1kg
Foaming stabilizer (viscosity (25 DEG C) is 600mPas, and pH value (1% aqueous solution) is 6.5) 0.2kg
Polyisocyanates (NCO massfraction is 29.5%) 120kg
(1), by weight 100:1 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 30min that glass powder massfraction cleaning is 15% will through, deionized water rinsing to washing lotion is neutral, be dipped in 60min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 110 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 10min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 3min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 53 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 2: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 120 order) 10kg
Polyether glycol A(hydroxyl value is 25mgKOH/g) 20kg
Polyether glycol B(hydroxyl value is 45mgKOH/g) 34kg
Polyether glycol C(hydroxyl value is 430mgKOH/g) 20kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 25mgKOH/g) 2.5kg
Benzoic anhydride polyester polyol (hydroxyl value is 380mgKOH/g) 25kg
Water 7kg
N, N-dimethylcyclohexylamine 0.15kg
Catalyst A 33 0.15kg
Potassium octanoate 0.6kg
Glycerine 1.2kg
Foaming stabilizer (viscosity (25 DEG C) is 700mPas, and pH value (1% aqueous solution) is 7) 0.4kg
Polyisocyanates (NCO massfraction is 31%) 120kg
(1), by weight 100:3 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 45min that glass powder massfraction cleaning is 20% will through, deionized water rinsing to washing lotion is neutral, be dipped in 90min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 115 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 15min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 4min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 63 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 3: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 160 order) 15kg
Polyether glycol A(hydroxyl value is 30mgKOH/g) 22kg
Polyether glycol B(hydroxyl value is 50mgKOH/g) 40kg
Polyether glycol C(hydroxyl value is 460mgKOH/g) 25kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 28mgKOH/g) 3kg
Benzoic anhydride polyester polyol (hydroxyl value is 400mgKOH/g) 30kg
Water 8kg
N, N-dimethylcyclohexylamine 0.2kg
Catalyst A 33 0.2kg
Potassium octanoate 0.8kg
Glycerine 1.4kg
Foaming stabilizer (viscosity (25 DEG C) is 800mPas, and pH value (1% aqueous solution) is 7.5) 0.6kg
Polyisocyanates (NCO massfraction is 32.5%) 120kg
(1), by weight 100:5 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 60min that glass powder massfraction cleaning is 25% will through, deionized water rinsing to washing lotion is neutral, be dipped in 120min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 120 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 20min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 5min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 73 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 4: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 80 order) 10kg
Polyether glycol A(hydroxyl value is 30mgKOH/g) 18kg
Polyether glycol B(hydroxyl value is 45mgKOH/g) 40kg
Polyether glycol C(hydroxyl value is 400mgKOH/g) 20kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 28mgKOH/g) 2kg
Benzoic anhydride polyester polyol (hydroxyl value is 380mgKOH/g) 30kg
Water 6kg
N, N-dimethylcyclohexylamine 0.15kg
Catalyst A 33 0.2kg
Potassium octanoate 0.4kg
Glycerine 1.2kg
Foaming stabilizer (viscosity (25 DEG C) is 800mPas, and pH value (1% aqueous solution) is 6.5) 0.4kg
Polyisocyanates (NCO massfraction is 32.5%) 120kg
(1), by weight 100:1 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 45min that glass powder massfraction cleaning is 20% will through, deionized water rinsing to washing lotion is neutral, be dipped in 120min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 110 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 15min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 5min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 53 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 5: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 120 order) 15kg
Polyether glycol A(hydroxyl value is 20mgKOH/g) 20kg
Polyether glycol B(hydroxyl value is 50mgKOH/g) 28kg
Polyether glycol C(hydroxyl value is 430mgKOH/g) 25kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 22mgKOH/g) 2.5kg
Benzoic anhydride polyester polyol (hydroxyl value is 400mgKOH/g) 20kg
Water 7kg
N, N-dimethylcyclohexylamine 0.2kg
Catalyst A 33 0.1kg
Potassium octanoate 0.6kg
Glycerine 1.4kg
Foaming stabilizer (viscosity (25 DEG C) is 600mPas, and pH value (1% aqueous solution) is 7) 0.6kg
Polyisocyanates (NCO massfraction is 29.5%) 120kg
(1), by weight 100:3 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 60min that glass powder massfraction cleaning is 25% will through, deionized water rinsing to washing lotion is neutral, be dipped in 60min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 115 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 20min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 3min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 63 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 6: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 160 order) 5kg
Polyether glycol A(hydroxyl value is 25mgKOH/g) 22kg
Polyether glycol B(hydroxyl value is 40mgKOH/g) 34kg
Polyether glycol C(hydroxyl value is 460mgKOH/g) 15kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 25mgKOH/g) 3kg
Benzoic anhydride polyester polyol (hydroxyl value is 360mgKOH/g) 25kg
Water 8kg
N, N-dimethylcyclohexylamine 0.1kg
Catalyst A 33 0.15kg
Potassium octanoate 0.8kg
Glycerine 1kg
Foaming stabilizer (viscosity (25 DEG C) is 700mPas, and pH value (1% aqueous solution) is 7.5) 0.2kg
Polyisocyanates (NCO massfraction is 31%) 120kg
(1), by weight 100:5 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 45min that glass powder massfraction cleaning is 15% will through, deionized water rinsing to washing lotion is neutral, be dipped in 120min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 110 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 15min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 5min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 53 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 7: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 80 order) 5kg
Polyether glycol A(hydroxyl value is 25mgKOH/g) 20kg
Polyether glycol B(hydroxyl value is 50mgKOH/g) 40kg
Polyether glycol C(hydroxyl value is 400mgKOH/g) 15kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 25mgKOH/g) 2.5kg
Benzoic anhydride polyester polyol (hydroxyl value is 400mgKOH/g) 30kg
Water 6kg
N, N-dimethylcyclohexylamine 0.1kg
Catalyst A 33 0.15kg
Potassium octanoate 0.6kg
Glycerine 1.4kg
Foaming stabilizer (viscosity (25 DEG C) is 800mPas, and pH value (1% aqueous solution) is 6.5) 0.2kg
Polyisocyanates (NCO massfraction is 31%) 120kg
(1), by weight 100:3 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 60min that glass powder massfraction cleaning is 25% will through, deionized water rinsing to washing lotion is neutral, be dipped in 60min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 110 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 15min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 4min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 63 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 8: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 120 order) 10kg
Polyether glycol A(hydroxyl value is 30mgKOH/g) 22kg
Polyether glycol B(hydroxyl value is 40mgKOH/g) 28kg
Polyether glycol C(hydroxyl value is 430mgKOH/g) 20kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 28mgKOH/g) 3kg
Benzoic anhydride polyester polyol (hydroxyl value is 360mgKOH/g) 20kg
Water 7kg
N, N-dimethylcyclohexylamine 0.15kg
Catalyst A 33 0.2kg
Potassium octanoate 0.8kg
Glycerine 1kg
Foaming stabilizer (viscosity (25 DEG C) is 600mPas, and pH value (1% aqueous solution) is 7) 0.4kg
Polyisocyanates (NCO massfraction is 32.5%) 120kg
(1), by weight 100:5 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 30min that glass powder massfraction cleaning is 15% will through, deionized water rinsing to washing lotion is neutral, be dipped in 90min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 115 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 20min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 5min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 53 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 9: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 160 order) 15kg
Polyether glycol A(hydroxyl value is 20mgKOH/g) 18kg
Polyether glycol B(hydroxyl value is 45mgKOH/g) 34kg
Polyether glycol C(hydroxyl value is 460mgKOH/g) 25kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 22mgKOH/g) 2kg
Benzoic anhydride polyester polyol (hydroxyl value is 380mgKOH/g) 25kg
Water 8kg
N, N-dimethylcyclohexylamine 0.2kg
Catalyst A 33 0.1kg
Potassium octanoate 0.4kg
Glycerine 1.2kg
Foaming stabilizer (viscosity (25 DEG C) is 700mPas, and pH value (1% aqueous solution) is 7.5) 0.6kg
Polyisocyanates (NCO massfraction is 29.5%) 120kg
(1), by weight 100:1 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 45min that glass powder massfraction cleaning is 20% will through, deionized water rinsing to washing lotion is neutral, be dipped in 120min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 120 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 10min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 3min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 63 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Close material and black material premixed systems, at 55 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 10: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 80 order) 10kg
Polyether glycol A(hydroxyl value is 30mgKOH/g) 20kg
Polyether glycol B(hydroxyl value is 50mgKOH/g) 28kg
Polyether glycol C(hydroxyl value is 460mgKOH/g) 15kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 25mgKOH/g) 3kg
Benzoic anhydride polyester polyol (hydroxyl value is 380mgKOH/g) 20kg
Water 7kg
N, N-dimethylcyclohexylamine 0.1kg
Catalyst A 33 0.2kg
Potassium octanoate 0.4kg
Glycerine 1.4kg
Foaming stabilizer (viscosity (25 DEG C) is 700mPas, and pH value (1% aqueous solution) is 6.5) 0.4kg
Polyisocyanates (NCO massfraction is 32.5%) 120kg
(1), by weight 100:3 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 30min that glass powder massfraction cleaning is 25% will through, deionized water rinsing to washing lotion is neutral, be dipped in 120min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 110 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 15min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 3min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 73 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Embodiment 11: one grinds glass fiber reinforced polyurethane rigid foam material and preparation method thereof, its preparation process is:
Modification glass powder (particle diameter 100 order) 12kg
Polyether glycol A(hydroxyl value is 26mgKOH/g) 21kg
Polyether glycol B(hydroxyl value is 47mgKOH/g) 36kg
Polyether glycol C(hydroxyl value is 420mgKOH/g) 22kg
Polyoxytrimethylene one ethylene oxide copolyether (hydroxyl value is 24mgKOH/g) 2.3kg
Benzoic anhydride polyester polyol (hydroxyl value is 390mgKOH/g) 23kg
Water 6.8kg
N, N-dimethylcyclohexylamine 0.12kg
Catalyst A 33 0.12kg
Potassium octanoate 0.7kg
Glycerine 1.1kg
Foaming stabilizer (viscosity (25 DEG C) is 750mPas, and pH value (1% aqueous solution) is 6.8) 0.5kg
Polyisocyanates (NCO massfraction is 30%) 120kg
(1), by weight 100:4 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 40min that glass powder massfraction cleaning is 18% will through, deionized water rinsing to washing lotion is neutral, be dipped in 80min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 112 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 17min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 3.5min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 60 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
Below by way of detecting the performance grinding glass fiber reinforced polyurethane rigid foam material proving the embodiment of the present invention 1, result is as follows:
When 63 DEG C, cream time 6.2s, rise time 29s, unsticking time 37s, density: 23.56g/m
3, ultimate compression strength: 1.75MPa, shock strength: 1.36kJ/m2, illustrates that this material has good building-up properties and mechanical property.
Claims (9)
1. grind a glass fiber reinforced polyurethane rigid foam material, it is characterized in that being prepared from by the raw material of following parts by weight:
Modification glass powder 5-15
Polyether glycol A 18-22
Polyether glycol B 28-40
Polyether glycol C 15-25
Polyoxytrimethylene one ethylene oxide copolyether 2-3
Benzoic anhydride polyester polyol 20-30
Water 6-8
N, N-dimethylcyclohexylamine 0.1-0.2
Catalyst A 33 0.1-0.2
Potassium octanoate 0.4-0.8
Glycerine 1-1.4
Foaming stabilizer 0.2-0.6
Polyisocyanates 120.
2. one according to claim 1 grinds glass fiber reinforced polyurethane rigid foam material, it is characterized in that described modification glass powder be adopt sodium hydroxide and γ-glycidylpropyl Trimethoxy silane combination treatment modification grind glass powder, particle diameter 80-160 order.
3. one according to claim 1 grinds glass fiber reinforced polyurethane rigid foam material, it is characterized in that described polyether glycol A hydroxyl value is 20-30mgKOH/g, acid number≤0.08mgKOH/g.
4. one according to claim 1 grinds glass fiber reinforced polyurethane rigid foam material, it is characterized in that described polyether glycol B hydroxyl value is 40-50mgKOH/g, acid number≤0.08mgKOH/g.
5. one according to claim 1 grinds glass fiber reinforced polyurethane rigid foam material, it is characterized in that described polyether glycol C hydroxyl value is 400-460mgKOH/g, acid number≤0.15mgKOH/g.
6. one according to claim 1 grinds glass fiber reinforced polyurethane rigid foam material, it is characterized in that described polyoxytrimethylene one ethylene oxide copolyether hydroxyl value is 22-28mgKOH/g, acid number≤0.08mgKOH/g.
7. one according to claim 1 grinds glass fiber reinforced polyurethane rigid foam material, it is characterized in that described benzoic anhydride polyester polyol hydroxyl value is 360-400mgKOH/g, acid number≤2.0mgKOH/g.
8. one according to claim 1 grinds glass fiber reinforced polyurethane rigid foam material, it is characterized in that described described foaming stabilizer is the silicone based foaming stabilizer of silicon-carbon bonds hydrolysis type, viscosity (25 DEG C) is 600-800mPas, and pH value (1% aqueous solution) is 6.5-7.5.
9. a kind of preparation method grinding glass fiber reinforced polyurethane rigid foam material according to claim 1, is characterized in that its preparation process comprises the following steps:
(1), by weight 100:1-5 take water and γ-glycidylpropyl Trimethoxy silane respectively, after mixing, stir, be prepared into the aqueous solution of silane coupling agent;
(2) the NaOH solution pre-treatment 30-60min that glass powder massfraction cleaning is 15-25% will through, deionized water rinsing to washing lotion is neutral, be dipped in 60-120min in the silane coupling agent aqueous solution after drying, take out and be placed in thermostatic drying chamber, dry at 110-120 DEG C to constant weight; After being cooled to room temperature, machinery grinds, and screening, obtains modification glass powder;
(3) each raw material is taken by formula ratio;
(4), by polyether glycol A, polyether glycol B, polyether glycol C, polyoxytrimethylene one ethylene oxide copolyether, benzoic anhydride polyester polyol, water, N, N-dimethylcyclohexylamine, catalyst A 33, potassium octanoate, glycerine, foaming stabilizer are placed in mechanical stirring kettle and stir 10-20min, are prepared into white material premixed systems;
(5), by modification glass powder, polyisocyanates be placed in mechanical stirring 3-5min in mechanical stirring kettle, be prepared into black material premixed systems;
(6), utilize foaming machines to extract white material premixed systems and black material premixed systems, at 53-73 DEG C, both are mixed free foaming, make one and grind glass fiber reinforced polyurethane rigid foam material.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532469A (en) * | 2011-12-28 | 2012-07-04 | 南京双威生物医学科技有限公司 | Graphite composite modified fire-retardant anti-static polyurethane and adhesive plaster |
| CN102942666A (en) * | 2012-12-04 | 2013-02-27 | 苏州井上高分子新材料有限公司 | Polyurethane semi-rigid foam composition and preparation method thereof |
| CN104151518A (en) * | 2014-08-13 | 2014-11-19 | 山东一诺威聚氨酯股份有限公司 | Polyurethane sports knee-pad composition and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532469A (en) * | 2011-12-28 | 2012-07-04 | 南京双威生物医学科技有限公司 | Graphite composite modified fire-retardant anti-static polyurethane and adhesive plaster |
| CN102942666A (en) * | 2012-12-04 | 2013-02-27 | 苏州井上高分子新材料有限公司 | Polyurethane semi-rigid foam composition and preparation method thereof |
| CN104151518A (en) * | 2014-08-13 | 2014-11-19 | 山东一诺威聚氨酯股份有限公司 | Polyurethane sports knee-pad composition and preparation method thereof |
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