CN106046668A - Toughened phenol-formaldehyde foam insulation board and preparation method thereof - Google Patents

Toughened phenol-formaldehyde foam insulation board and preparation method thereof Download PDF

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Publication number
CN106046668A
CN106046668A CN201610624864.XA CN201610624864A CN106046668A CN 106046668 A CN106046668 A CN 106046668A CN 201610624864 A CN201610624864 A CN 201610624864A CN 106046668 A CN106046668 A CN 106046668A
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parts
warming plate
foam warming
toughener
toughening
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CN201610624864.XA
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刘涛
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Hefei Guangneng New Material Technology Co Ltd
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Hefei Guangneng New Material Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12Working-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
    • C08J9/14Working-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
    • C08J9/141Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/14Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2361/00Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/04Condensation polymers of aldehydes or ketones with phenols only
    • C08J2361/06Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/02Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/14Applications used for foams
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention provides a toughened phenol-formaldehyde foam insulation board and a preparation method thereof. The toughened phenol-formaldehyde foam insulation board contains the following raw materials in parts by weight: 60-70 parts of phenol-formaldehyde resin, 10-15 parts of silane coupling agent, 4-6 parts of silica sol, 3-6 parts of surfactant, 5-10 parts of foamer, 10-15 parts of curing agent and 3-6 parts of toughening agent, wherein the toughening agent is prepared from an acrylic-styrene copolymer emulsion, polyacrylic acid and modified wollastonite fibers. The preparation method comprises the following steps: (1) uniformly mixing the phenol-formaldehyde resin, the silane coupling agent, the silica sol, the curing agent and the toughening agent at the temperature of 60 DEG C to 80 DEG C, so as to obtain a mixture A; (2) uniformly mixing and stirring the mixture A, the surfactant and the foamer, rapidly pouring the mixture into a preheated mold for foaming, and carrying out curing, thereby preparing the toughened phenol-formaldehyde foam insulation board. The insulation board is high in strength and oxygen index and small in coefficient of thermal conductivity.

Description

Toughening metlbond foam warming plate and preparation method thereof
Technical field
The invention belongs to building exterior wall material technical field, be specifically related to a kind of toughening metlbond foam warming plate and preparation thereof Method.
Background technology
Phenolic-aldehyde heat-insulation board and hard polyurethane foam belong to organic thermosetting thermal insulation material, building energy saving rate the most in recent years together Gradually step up, application insulation material technical performance more and more higher, market demand is increasing.At Application in Building insulation material In application, not only require that physical technique performance is high and it is necessary to reach fire protecting performance.The foam of phenolic resin production and polyurethane Relatively good insulation material is belonged to though hard bubbling, but excellent, shortcoming that two class insulation materials are had nothing in common with each other, not there is fine complex art Performance.The hard polyurethane foam of polyurethane resin synthesis, has the spy such as lightweight, high-strength, heat conductivity is low, good toughness and easy construction Point, but fire protecting performance only up to reach B1 level fire protecting performance, oxygen index (OI) only up to reach 30%.
The phenolic-aldehyde heat-insulation board that phenolic resin produces, possesses the main principal advantages of Polyurethane Thermal Insulation Building Materials, but fire line Can highlight than hard polyurethane foam, fire-resistant combustion penetrates, cigarette high temperature resistant, low, and oxygen index (OI) is up to 50%, but phenolic-aldehyde heat-insulation board and polyurethane Hard bubbling and compare, the shortcoming of phenolic-aldehyde heat-insulation board maximum is that fragility is big, acid big.Owing to the fragility of phenolic-aldehyde heat-insulation board is big, phenolic aldehyde heat preserving There is the problems such as dry linting, elasticity is low, compressive strength is low, and heat conductivity is the most up to standard in plate, intrinsic excellent fire protecting performance does not has in use Can be utilized very well, therefore, affect the extension of this products application technology, bring a lot of inconvenience to transport, construction simultaneously.Especially Pull strength is low, is difficult to meet relevant criterion requirement.Owing to acidity is big so that phenolic-aldehyde heat-insulation board connects with metal, cement-based material Touch and have certain corrosivity.
Summary of the invention
In order to solve the problem that the heat conductivity of above phenolic foam board is higher, toughness is bad, the present invention proposes a kind of increasing Tough phenolic foam heat insulation plate, this warming plate intensity and oxygen index (OI) are high, and heat conductivity is low.
The technical scheme is that and be achieved in that:
A kind of toughening metlbond foam warming plate, calculates, by weight including following raw material:
Phenolic resin 60~70 parts, silane coupler 10~15 parts, Ludox 4~6 parts, surfactant 3~6 part, Infusion 5~10 parts, firming agent 10~15 parts and toughener 3~6 parts, described toughener be acrylic styrene copolymer emulsion, Polyacrylic acid forms with modified silicon ash mineral wool.
Further, described modified silicon ash mineral wool is methyl methacrylate coated Si lime stone.
Further, calculating in parts by weight, described toughener includes following components: acrylic styrene copolymer emulsion 25~35 parts, polyacrylic acid 3~6 parts and modified silicon ash mineral wool 10~15 parts.The preparation method of toughener is: first by propylene Acid styrene copolymer latexes joins in dispersion tank, starts blender and starts stirring, is then respectively adding modified grammite fine Dimension and polyacrylic acid stir.
Further, described surfactant is Tween 80.
Further, described silane coupler is KH550 or KH560.
Further, described foaming agent is Pentamethylene. or pentane.
Further, described firming agent is phosphoric acid, p-methyl benzenesulfonic acid or hydrochloric acid.
It is a further object to provide the preparation method of a kind of toughening metlbond foam warming plate, including following step Rapid:
1) phenolic resin, silane coupler, Ludox, firming agent and toughener are mixed under the conditions of 60~80 DEG C Close uniformly, obtain mixture A;
2) by mixture A, surfactant and foaming agent mixing and stirring, it is quickly poured in the mould of preheating and sends out Bubble, solidifies.
Further, described step 2) the preheating temperature of preheated mold is 40~50 DEG C.
The method have the benefit that
1, its toughener of toughening metlbond foam warming plate of the present invention is acrylic styrene copolymer emulsion, polyacrylic acid Forming with modified silicon ash mineral wool, toughening effect is notable, and has the most fire-retardant and heat resistance.Utilize in toughener third After olefin(e) acid styrene copolymer latexes film forming, there is favorable elasticity, the toughness of phenolic foam board can be increased.Exist at polyacrylic acid Under conditions of, improve the compatibility of modified silicon ash mineral wool and macromolecular material.Further, then under the effect of silane coupler Phenolic resin is modified.Utilize two kinds of functional groups of silane coupler, i.e. amino and ethyoxyl.Wherein three hydrolyzable bases Group's (ethyoxyl), the most first hydrolysis generates silanol, and owing to silanol is unstable, the easily hydroxyl with modified silicon ash mineral wool is tied Close dehydration, thus combine with modified silicon ash mineral wool.React with two active hydrogens and phenolic resin on amino, from And by chemical bond combining wollastonite fibre and two kinds of diverse material tight of character of phenolic resin, thus enter One step improves intensity and the toughness of phenolic foam board, solves fragility and the dusting problems of phenolic foam board.
2, the heat conductivity of the toughening metlbond foam warming plate of the present invention is 0.020~0.024W/m K, and compressive strength is 0.216~0.224MPa, being perpendicular to plate face intensity is 0.134~0.138MPa, and oxygen index (OI) is 50~54.
Detailed description of the invention
Embodiment 1
A kind of toughening metlbond foam warming plate, calculates, by weight including following raw material:
65 parts of phenolic resin, Silane coupling agent KH550 12 parts, 5 parts, 4 parts Tween 80s of Ludox, Pentamethylene. 7 parts, to first Benzenesulfonic acid 12 parts and toughener 4 parts.Toughener following components: acrylic styrene copolymer emulsion 30 parts, polyacrylic acid 5 parts with Modified silicon ash mineral wool 13 parts, modified silicon ash mineral wool is methyl methacrylate coated Si lime stone.
Preparation method, comprises the following steps:
1) phenolic resin, Silane coupling agent KH550, Ludox, phosphoric acid and toughener are mixed under the conditions of 70 DEG C Close uniformly, obtain mixture A;
2) by mixture A, Tween 80 and Pentamethylene. mixing and stirring, it is quickly poured in the mould of 45 DEG C of preheatings and sends out Bubble, solidifies.
Embodiment 2
A kind of toughening metlbond foam warming plate, calculates, by weight including following raw material:
60 parts of phenolic resin, silane coupler KH560 10 parts, 4 parts, 3 parts Tween 80s of Ludox, pentane 5 parts, hydrochloric acid 11 parts and toughener 3 parts.Toughener includes following components: acrylic styrene copolymer emulsion 25 parts, polyacrylic acid 6 parts with change Property wollastonite fibre 10 parts.
Preparation method, comprises the following steps:
1) phenolic resin, hydrochloric acid, silane coupler KH560, Ludox and toughener are mixed under the conditions of 60 DEG C Close uniformly, obtain mixture A;
2) by mixture A, Tween 80 and pentane mixing and stirring, it is quickly poured in the mould of 40 DEG C of preheatings and sends out Bubble, solidifies.
Embodiment 3
A kind of toughening metlbond foam warming plate, calculates, by weight including following raw material:
68 parts of phenolic resin, silane coupler KH560 13 parts, 6 parts, 5 parts Tween 80s of Ludox, pentane 8 parts, phosphoric acid 10 parts and toughener 5 parts.Toughener is acrylic styrene copolymer emulsion 32 parts, polyacrylic acid 3 parts and modified grammite fibre Tie up 14 parts.
Preparation method, comprises the following steps:
1) by phenolic resin, silane coupler KH560, Ludox, phosphoric acid and the mixed acid of p-methyl benzenesulfonic acid and toughness reinforcing Agent carries out mix homogeneously under the conditions of 62 DEG C, obtains mixture A;
2) by mixture A, Tween 80 and pentane mixing and stirring, it is quickly poured in the mould of 42 DEG C of preheatings and sends out Bubble, solidifies.
Embodiment 4
A kind of toughening metlbond foam warming plate, calculates, by weight including following raw material:
70 parts of phenolic resin, Silane coupling agent KH550 15 parts, 4 parts, 6 parts Tween 80s of Ludox, Pentamethylene. 10 parts, hydrochloric acid 15 parts include following components with toughener 6 parts, toughener: acrylic styrene copolymer emulsion 35 parts, polyacrylic acid 4 parts with change Property wollastonite fibre 15 parts.
Preparation method, comprises the following steps:
1) phenolic resin, Silane coupling agent KH550, Ludox, hydrochloric acid and toughener are mixed under the conditions of 80 DEG C Close uniformly, obtain mixture A;
2) by mixture A, Tween 80 and Pentamethylene. mixing and stirring, it is quickly poured in the mould of 50 DEG C of preheatings and sends out Bubble, solidifies.
Embodiment 5
Warming plate embodiment 1-4 prepared carries out performance detection, the results are shown in Table 1.
Table 1 embodiment 1-4 warming plate performance test results
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.

Claims (9)

1. a toughening metlbond foam warming plate, it is characterised in that calculate by weight, including following raw material:
Phenolic resin 60~70 parts, silane coupler 10~15 parts, Ludox 4~6 parts, surfactant 3~6 parts, foaming agent 5 ~10 parts, firming agent 10~15 parts and toughener 3~6 parts, described toughener is acrylic styrene copolymer emulsion, polypropylene Acid forms with modified silicon ash mineral wool.
Toughening metlbond foam warming plate the most according to claim 1, it is characterised in that described modified silicon ash mineral wool is first Base acrylic acid methyl ester. coated Si lime stone.
Toughening metlbond foam warming plate the most according to claim 1 and 2, it is characterised in that calculate in parts by weight, institute State toughener and include following components: acrylic styrene copolymer emulsion 25~35 parts, polyacrylic acid 3~6 parts and modified silicon ash Mineral wool 10~15 parts.
Toughening metlbond foam warming plate the most according to claim 1 and 2, it is characterised in that described surfactant is for telling Temperature 80.
Toughening metlbond foam warming plate the most according to claim 1 and 2, it is characterised in that described silane coupler is KH550 or KH560.
Toughening metlbond foam warming plate the most according to claim 1 and 2, it is characterised in that described foaming agent is Pentamethylene. Or pentane.
Toughening metlbond foam warming plate the most according to claim 1 and 2, it is characterised in that described firming agent is phosphoric acid, right Toluenesulfonic acid or hydrochloric acid.
8. the preparation method of a toughening metlbond foam warming plate as claimed in claim 1, it is characterised in that include following step Rapid:
1) phenolic resin, silane coupler, Ludox, firming agent and toughener are carried out under the conditions of 60~80 DEG C mixing all Even, obtain mixture A;
2) by mixture A, surfactant and foaming agent mixing and stirring, foaming it is quickly poured in the mould of preheating, Gu Change.
The preparation method of toughening metlbond foam warming plate the most according to claim 8, it is characterised in that described step 2) pre- The preheating temperature of mold heat is 40~50 DEG C.
CN201610624864.XA 2016-08-01 2016-08-01 Toughened phenol-formaldehyde foam insulation board and preparation method thereof Pending CN106046668A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746987A (en) * 2016-12-12 2017-05-31 天津红光京建科技有限公司 A kind of environment protection energy-saving type insulating plate and its production method
CN107459765A (en) * 2017-08-03 2017-12-12 合肥泓定科技有限公司 Phenolic foam heat insulation plate and preparation method thereof

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CN102888077A (en) * 2011-07-18 2013-01-23 北京建筑材料科学研究总院有限公司 Method for preparing toughened phenolic foam board for exterior insulation of exterior building walls
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106746987A (en) * 2016-12-12 2017-05-31 天津红光京建科技有限公司 A kind of environment protection energy-saving type insulating plate and its production method
CN107459765A (en) * 2017-08-03 2017-12-12 合肥泓定科技有限公司 Phenolic foam heat insulation plate and preparation method thereof

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