CN106751451A - A kind of fiber reinforcement type melamine resin foam sponge and preparation method thereof - Google Patents
A kind of fiber reinforcement type melamine resin foam sponge and preparation method thereof Download PDFInfo
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- CN106751451A CN106751451A CN201611045559.1A CN201611045559A CN106751451A CN 106751451 A CN106751451 A CN 106751451A CN 201611045559 A CN201611045559 A CN 201611045559A CN 106751451 A CN106751451 A CN 106751451A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/046—Reinforcing macromolecular compounds with loose or coherent fibrous material with synthetic macromolecular fibrous material
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- 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
- C08J9/143—Halogen containing compounds
- C08J9/147—Halogen containing compounds containing carbon and halogen atoms only
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- 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
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
- C08J2203/144—Perhalogenated saturated hydrocarbons, e.g. F3C-CF3
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
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- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2361/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08J2361/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
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- C08K2201/004—Additives being defined by their length
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/14—Applications used for foams
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The present invention discloses a kind of fiber reinforcement type melamine resin foam sponge and preparation method thereof, belongs to foam technology field, is prepared from by the raw material of following weight parts:90~110 parts of melamine resin, 5~10 parts of foaming agent, 5~10 parts of stabilizer, 2~10 parts of curing agent, the weight portion of stabilizer 2~10, the weight portion of curing agent 2~10,1~10 part of reinforcing fiber.Preparation method that is of the invention and disclosing fiber reinforcement type melamine resin foam sponge.The present invention during melamine resin foams after fiber is added, can make that abscess-size substantially diminishes and homogeneity increases, compressive strength and elastic modelling quantity are remarkably reinforced, and toughness and dimensional stability are improved, and still possess excellent heat endurance and fire resistance.
Description
Technical field
The present invention relates to foam technology field, more particularly to a kind of fiber reinforcement type melamine resin foam sponge.
Background technology
Melamine resin, also known as melamine resin (melamine-formaldehyde resin), melamine formaldehyde (MF) tree
Fat, is the melamine polymer resulting with formaldehyde reaction.Reaction is crosslinked during machine-shaping, product is insoluble thermosetting
Property resin, it and Lauxite are often traditionally referred to as amino resins.
Melamine resin foam sponge to refer to and can be made into melamino-formaldehyde foam by foamable reaction using melamine resin, this
Foam is nonflammable, water-fast, heat-resisting, ageing-resistant, resistance to electric arc, it is resistant to chemical etching, have good insulating properties, glossiness and machinery strong
Degree, while also having good sound-absorbing effect.Therefore, it is widely used in building, the automobile even sound-absorbing of aircraft carrier, submarine etc.
It is fire-retardant.
At present, the foamed material on fiber reinforcement type is concentrated mainly on phenolic foam material, and melamine resin is ground
Study carefully less, the present invention adds fiber in melamine resin, further increasing the mechanical strength of melamine resin foam.
The content of the invention
The present invention provides a kind of fiber reinforcement type melamine resin foam sponge, solves existing melamine resin foam sponge machine
The problem of tool intensity.
In order to solve the above technical problems, the technical scheme is that:
A kind of fiber reinforcement type melamine resin foam sponge, is prepared from by the raw material of following weight parts:Melamine resin
90~110 parts, 5~10 parts of foaming agent, 5~10 parts of stabilizer, 2~10 parts of curing agent, the weight portion of stabilizer 2~10, curing agent 2
1~10 part of~10 weight portions, reinforcing fiber.
Wherein it is preferred to, the reinforcing fiber is ppta-pulp fibre, carbon fibre precursor, the coupling of silane coupler surface
Modified carbon fiber or silane coupler surface coupling modifier aramid fiber.
Wherein it is preferred to, the length of the reinforcing fiber is 1~12mm.
Wherein it is preferred to, the foaming agent be pentane, n-hexane, dichlorotetra-fluoroethane in any one or a few.
Wherein it is preferred to, the emulsifying agent be benzene sulfonic acid sodium salt, neopelex, OP-10 in any one or it is several
Kind.
Wherein it is preferred to, the curing agent is formic acid or acetic acid.
Wherein it is preferred to, the stabilizer is polysiloxanes, organotin, antimony organic, rare earth or Organic fluoride.
The present invention simultaneously provides a kind of preparation method of fiber reinforcement type melamine resin foam sponge, comprises the following steps:
(1) melamine resin is well mixed with reinforcing fiber, forms A material;
(2) under the conditions of 30~40 DEG C, in adding A to expect in foaming agent, stabilizer, curing agent, stabilizer and curing agent, shape
Into B material;
(3) B material are passed through in microwave foaming furnace and are foamed, foam 5~10min, cools down at room temperature, obtain final product fiber reinforcement type honey
Polyimide resin foam sponge.
Beneficial effects of the present invention:
1. the present invention can reach preferably hair by adding a small amount of fiber in the preparation process of melamine resin foam
Bubble effect, flexible and tiny fiber is distributed in foam cell space wall, and enhancing is reached by the excellent bonds with melamine matrix
Effect.After dosing fiber, can make that abscess-size substantially diminishes and homogeneity increases, compressive strength and elastic modelling quantity are obtained
It is remarkably reinforced, toughness and dimensional stability are improved, and still possesses excellent heat endurance and fire resistance.
2. the melamine resin foam sponge fragility that prepared by the present invention is small, be difficult dry linting, that tearing strength is stretched in drawing is high, effectively solves
Determine problems of the prior art, and made melamine resin foam sponge that there is good mechanical performance and fire-retardant sound-deadening properties
Energy.Prepare the perforate of melamine resin foam sponge uniform, foam density >=10kg/m3, tensile strength >=150KPa, elongation at break
>=50%, tearing strength >=60N/m, rebound degree >=75%.
3. the method by adding fiber to prepare melamine resin foam sponge proposed by the present invention, preparation process is simple, give birth to
Product is with low cost, easy to utilize.
Specific embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Embodiment 1
The present embodiment provides a kind of fiber reinforcement type melamine resin foam sponge, is by the raw material preparation of following weight parts
Into:100 parts of melamine resin, 8 parts of foaming agent, 8 parts of stabilizer, 8 parts of curing agent, the weight portion of stabilizer 5, the weight portion of curing agent 5, increasing
Strong 5 parts of fiber.
Wherein, the reinforcing fiber is ppta-pulp fibre, and the length of ppta-pulp fibre is 1~12mm.
Wherein, the foaming agent is pentane, and the emulsifying agent is benzene sulfonic acid sodium salt, and the curing agent is formic acid, described steady
Agent is determined for polysiloxanes.
The present embodiment simultaneously provides a kind of preparation method of fiber reinforcement type melamine resin foam sponge, including following step
Suddenly:
(1) melamine resin is well mixed with reinforcing fiber, forms A material;
(2) under the conditions of 30~40 DEG C, in adding A to expect in foaming agent, stabilizer, curing agent, stabilizer and curing agent, shape
Into B material;
(3) B material are passed through in microwave foaming furnace and are foamed, foam 8min, cools down at room temperature, obtains final product fiber reinforcement type melamine tree
Fat vacuole foam sea.
Embodiment 2
The present embodiment provides a kind of fiber reinforcement type melamine resin foam sponge, is by the raw material preparation of following weight parts
Into:90 parts of melamine resin, 10 parts of foaming agent, 5 parts of stabilizer, 10 parts of curing agent, the weight portion of stabilizer 2, the weight portion of curing agent 10,
1 part of reinforcing fiber.
Wherein, the reinforcing fiber is carbon fibre precursor, and the length of carbon fibre precursor is 1~12mm.
Wherein, the foaming agent is n-hexane, and the emulsifying agent is neopelex, and the curing agent is second
Acid, the stabilizer is organotin.
The present embodiment simultaneously provides a kind of preparation method of fiber reinforcement type melamine resin foam sponge, including following step
Suddenly:
(1) melamine resin is well mixed with reinforcing fiber, forms A material;
(2) under the conditions of 30~40 DEG C, in adding A to expect in foaming agent, stabilizer, curing agent, stabilizer and curing agent, shape
Into B material;
(3) B material are passed through in microwave foaming furnace and are foamed, foam 5min, cools down at room temperature, obtains final product fiber reinforcement type melamine tree
Fat vacuole foam sea.
Embodiment 3
The present embodiment provides a kind of fiber reinforcement type melamine resin foam sponge, is by the raw material preparation of following weight parts
Into:110 parts of melamine resin, 5 parts of foaming agent, 10 parts of stabilizer, 2 parts of curing agent, the weight portion of stabilizer 10, the weight of curing agent 20
Part, 10 parts of reinforcing fiber.
Wherein, the reinforcing fiber is silane coupler surface coupling modifier carbon fiber, silane coupler surface idol
The length for joining modified carbon fiber is 1~12mm.
Wherein, the foaming agent is dichlorotetra-fluoroethane, and the emulsifying agent is OP-10, and the curing agent is formic acid, described
Stabilizer is antimony organic.
The present embodiment simultaneously provides a kind of preparation method of fiber reinforcement type melamine resin foam sponge, including following step
Suddenly:
(1) melamine resin is well mixed with reinforcing fiber, forms A material;
(2) under the conditions of 30~40 DEG C, in adding A to expect in foaming agent, stabilizer, curing agent, stabilizer and curing agent, shape
Into B material;
(3) B material are passed through in microwave foaming furnace and are foamed, foam 10min, cools down at room temperature, obtains final product fiber reinforcement type melamine
Resin foam sea.
Embodiment 4
The present embodiment provides a kind of fiber reinforcement type melamine resin foam sponge, is by the raw material preparation of following weight parts
Into:95 parts of melamine resin, 7 parts of foaming agent, 8 parts of stabilizer, 5 parts of curing agent, the weight portion of stabilizer 6, the weight portion of curing agent 7, increasing
Strong 6 parts of fiber.
Wherein, the reinforcing fiber is silane coupler surface coupling modifier aramid fiber, the silane coupler surface
The length of coupling modifier aramid fiber is 1~12mm.
Wherein, the foaming agent is that weight ratio is 1:1 pentane and n-hexane, the emulsifying agent is that weight ratio is 1:1
Benzene sulfonic acid sodium salt and neopelex, the curing agent be formic acid, the stabilizer be rare earth.
The present embodiment simultaneously provides a kind of preparation method of fiber reinforcement type melamine resin foam sponge, including following step
Suddenly:
(1) melamine resin is well mixed with reinforcing fiber, forms A material;
(2) under the conditions of 30~40 DEG C, in adding A to expect in foaming agent, stabilizer, curing agent, stabilizer and curing agent, shape
Into B material;
(3) B material are passed through in microwave foaming furnace and are foamed, foam 6min, cools down at room temperature, obtains final product fiber reinforcement type melamine tree
Fat vacuole foam sea.
Embodiment 5
The present embodiment provides a kind of fiber reinforcement type melamine resin foam sponge, is by the raw material preparation of following weight parts
Into:105 parts of melamine resin, 6 parts of foaming agent, 9 parts of stabilizer, 3 parts of curing agent, the weight portion of stabilizer 9, the weight portion of curing agent 3, increasing
Strong 9 parts of fiber.
Wherein, the reinforcing fiber is ppta-pulp fibre, and the length of the ppta-pulp fibre is 1~12mm.
Wherein it is preferred to, the foaming agent is that weight ratio is 2:1 n-hexane and dichlorotetra-fluoroethane, the emulsifying agent
For weight ratio is 1:2 neopelex and OP-10, the curing agent is acetic acid, and the stabilizer is Organic fluoride.
The present embodiment simultaneously provides a kind of preparation method of fiber reinforcement type melamine resin foam sponge, including following step
Suddenly:
(1) melamine resin is well mixed with reinforcing fiber, forms A material;
(2) under the conditions of 30~40 DEG C, in adding A to expect in foaming agent, stabilizer, curing agent, stabilizer and curing agent, shape
Into B material;
(3) B material are passed through in microwave foaming furnace and are foamed, foam 9min, cools down at room temperature, obtains final product fiber reinforcement type melamine tree
Fat vacuole foam sea.
Performance test, and and comparative example are carried out to fiber reinforcement type melamine resin foam sponge obtained in above-described embodiment
(melamine resin foam sponge is formulated same as Example 1 with preparation method in addition to fiber is not added with comparative example) compares, and ties
Fruit such as following table:
Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example | |
Foam density kg/m3 | 12 | 11 | 13 | 12 | 13 | 8 |
Tensile strength kPa | 155 | 160 | 163 | 166 | 162 | ≥140KPa |
Elongation at break % | 60 | 52 | 58 | 54 | 57 | 45 |
Tearing strength N/m | 65 | 63 | 62 | 66 | 65 | 55 |
Rebound degree % | 80 | 80 | 82 | 84 | 85 | 70 |
As can be seen from the above table, after dosing fiber, abscess-size can be made substantially to diminish foam density change greatly, compressive strength
It is remarkably reinforced with elastic modelling quantity, toughness and dimensional stability are improved.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of fiber reinforcement type melamine resin foam sponge, it is characterised in that be prepared from by the raw material of following weight parts:
90~110 parts of melamine resin, 5~10 parts of foaming agent, 5~10 parts of stabilizer, 2~10 parts of curing agent, the weight of stabilizer 2~10
Part, the weight portion of curing agent 2~10,1~10 part of reinforcing fiber.
2. a kind of fiber reinforcement type melamine resin foam sponge according to claim 1, it is characterised in that:The enhancing is fine
Tie up as ppta-pulp fibre, carbon fibre precursor, silane coupler surface coupling modifier carbon fiber or silane coupler surface are coupled
Modification of aramid fiber.
3. a kind of fiber reinforcement type melamine resin foam sponge according to claim 2, it is characterised in that:The enhancing is fine
The length of dimension is 1~12mm.
4. a kind of fiber reinforcement type melamine resin foam sponge according to claim 1, it is characterised in that:The foaming agent
For any one or a few in pentane, n-hexane, dichlorotetra-fluoroethane.
5. a kind of fiber reinforcement type melamine resin foam sponge according to claim 1, it is characterised in that:The emulsifying agent
For in benzene sulfonic acid sodium salt, neopelex, OP-10 any one or a few.
6. a kind of fiber reinforcement type melamine resin foam sponge according to claim 1, it is characterised in that:The curing agent
It is formic acid or acetic acid.
7. a kind of fiber reinforcement type melamine resin foam sponge according to claim 1, it is characterised in that:The stabilizer
It is polysiloxanes, organotin, antimony organic, rare earth or Organic fluoride.
8. a kind of preparation method of the fiber reinforcement type melamine resin foam sponge described in any one of claim 1~7, its feature
It is to comprise the following steps:
(1) melamine resin is well mixed with reinforcing fiber, forms A material;
(2) under the conditions of 30~40 DEG C, in adding A to expect in foaming agent, stabilizer, curing agent, stabilizer and curing agent, B is formed
Material;
(3) B material are passed through in microwave foaming furnace and are foamed, foam 5~10min, cools down at room temperature, obtains final product fiber reinforcement type melamine tree
Fat foam sponge.
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CN103030924A (en) * | 2012-12-11 | 2013-04-10 | 四川大学 | Fiber material modified melamine formaldehyde foam and preparation method thereof |
CN104262567A (en) * | 2014-09-09 | 2015-01-07 | 上海应用技术学院 | Flame-retardant polyurethane rigid foam taking melamine as basic characteristic and preparation method of flame-retardant polyurethane rigid foam |
CN105482147A (en) * | 2015-12-18 | 2016-04-13 | 神盾防火科技有限公司 | Preparation method for non-inflammable closed cell sponge and prepared product |
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CN101157794A (en) * | 2007-09-07 | 2008-04-09 | 常熟东南塑料有限公司 | Melamine resin modified unsaturated polyester mould plastic |
CN102464851A (en) * | 2010-11-18 | 2012-05-23 | 上海锦湖日丽塑料有限公司 | Low-odor flame-retardant styrene-series resin composition and preparation method thereof |
CN103030924A (en) * | 2012-12-11 | 2013-04-10 | 四川大学 | Fiber material modified melamine formaldehyde foam and preparation method thereof |
CN104262567A (en) * | 2014-09-09 | 2015-01-07 | 上海应用技术学院 | Flame-retardant polyurethane rigid foam taking melamine as basic characteristic and preparation method of flame-retardant polyurethane rigid foam |
CN205498228U (en) * | 2015-12-11 | 2016-08-24 | 成都玉龙化工有限公司 | Combined material based on continuous and aramid fiber honeycomb of melamine bubble |
CN105482147A (en) * | 2015-12-18 | 2016-04-13 | 神盾防火科技有限公司 | Preparation method for non-inflammable closed cell sponge and prepared product |
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