CN103738038A - Preparation method for phenolic foam composite sheet material - Google Patents

Preparation method for phenolic foam composite sheet material Download PDF

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Publication number
CN103738038A
CN103738038A CN201310724977.3A CN201310724977A CN103738038A CN 103738038 A CN103738038 A CN 103738038A CN 201310724977 A CN201310724977 A CN 201310724977A CN 103738038 A CN103738038 A CN 103738038A
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Prior art keywords
glue
parts
preparation
metal decking
foam composite
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CN201310724977.3A
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CN103738038B (en
Inventor
邓刚
彭绵广
秦海洋
焦壮
宋长啸
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Shandong Shengquan Chemical Industry Co Ltd
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Shandong Shengquan Chemical Industry Co Ltd
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Abstract

The invention relates to the technical field of novel energy-saving materials for buildings and particularly relates to a preparation method for a phenolic foam composite sheet material. The preparation method comprises the following steps: coating the surface of upper and lower metal panels with aqueous polyurethane glue and heating to form a glue layer; placing a lignin modified phenolic resin foaming body mixture between the upper metal panel and the lower metal panel; and foaming, curing and molding. The lignin modified phenolic resin foaming body mixture is composed of 100 parts of lignin modified phenolic resin, 2 parts of an emulsifying agent, 2 parts of a fire retardant, 5 parts of a foaming agent and 10 parts of a curing agent. The problem that the phenolic foam composite sheet material has great fragility is solved; phenolic foams obtained by foaming the modified phenolic resin have very good toughness and the toughness of the phenolic foams is improved so that the sticking area of the phenolic foams and a metal surface layer is enlarged, and furthermore, the bonding strength of the phenolic foams and the composite sheet material is improved.

Description

The preparation method of phenolic foam composite plate material
technical field
The present invention relates to building energy conservation new material technology field, relate in particular to a kind of preparation method of phenolic foam composite plate material.
Background technology
Phenolic foam composite plate material have lightweight, fire prevention, chance naked light do not burn, smokeless, nontoxic, without drippage, serviceability temperature is enclosed extensively (196~+ 200 ℃), does not shrink, the feature of not embrittlement under low temperature environment.Because phenol formaldehyde foam rate of closed hole is high, thermal conductivity factor low (can lower than 0.030w/mk), heat-proof quality is good, and has certain water-resistance and water vapour permeability, is good heat insulating energy saving material, especially the desirable heat-insulating material of HVAC Refrigeration Engineering.Because phenolic aldehyde has benzene ring structure, thus dimensionally stable, rate of change <1%.And chemical composition stability, anticorrosion anti-aging, particularly ability organic solution, strong acid, weak base corrosion.So phenolic foam composite plate is very good fire prevention, thermal insulation, environment-friendly and green insulation material energy-conservation, attractive in appearance.
Cementability between existing phenol formaldehyde foam and phenol formaldehyde foam surface sheet material are compound is not strong, bonding not firm, while carrying out secondary operations after manufacturing a finished product, easily departs from, easily peeling.The patent No. is that CN 101214746 B disclose one by being evenly coated with last layer composite glue at panel, through being dried to sticky hand, then compound under heating backer roll with incombustible glass fibre goods, after compound through dry composite panel, the method has improved bonding intensity of phenolic foam composite sheet material greatly.But the use of compound adhesive not only makes production cost improve, and contaminated environment, makes the phenolic foam composite plate material that production of resins goes out have very large fragility because phenolic resins contains this rigid structure of phenyl ring simultaneously.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of preparation method of phenolic foam board, the method not only reduces compound adhesive and uses the environmental pollution causing, and solves the problem that composite board fragility is large simultaneously, and has further improved bonding intensity of phenolic foam composite sheet material.
The preparation method who the invention provides a kind of phenolic foam board, comprises the following steps:
At upper metal decking and lower metal decking apparent surface, all apply aqueous polyurethane glue, at 30-70 ℃, add thermosetting glue-line;
Lignin modification phenol resin foam mixture is placed between described upper metal decking and lower metal decking, foams, obtain phenolic foam composite plate material after curing molding;
Wherein said lignin modification phenol resin foam mixture is by 100 parts, lignin modification phenolic resins, 2 parts of emulsifying agents, 2 parts of fire retardants, 5 parts of blowing agents, 10 parts of compositions of curing agent.
Preferably, the temperature of described heating glue formation glue-line is 45-55 ℃.
Preferably, described aqueous polyurethane glue is comprised of two kinds of components of black and white material, and black and white material ratio is 2-5:1.
Preferably, described upper metal decking and lower metal decking are color steel.
The present invention also provides a kind of preparation method of phenolic foam board, comprises the following steps:
In upper metal decking or lower metal decking opposite face, one side applies aqueous polyurethane glue, adds thermosetting glue-line at 30-70 ℃;
Lignin modification phenol resin foam mixture is placed between described upper metal decking and lower metal decking, foams, obtain phenolic foam composite plate material after curing molding;
Wherein said lignin modification phenol resin foam mixture is by 100 parts, lignin modification phenolic resins, 2 parts of emulsifying agents, 2 parts of fire retardants, 5 parts of blowing agents, 10 parts of compositions of curing agent.
Preferably, the temperature of described heating glue formation glue-line is 45-55 ℃.
Preferably, described glue is comprised of two kinds of components of black and white material, and black and white material ratio is 2-5:1.
Preferably, the metal decking of described surperficial glue coated is color steel.
Preferably, described surface not the metal decking of glue coated be aluminum foil plate.
Preferably, described aluminum foil plate inner surface is covered with plucking nonwoven.
Compared with prior art, the present invention uses aqueous polyurethane glue as compound adhesive, phenolic resins is carried out to modification, serviceability temperature control and lignin modification phenolic resins to aqueous polyurethane glue are processed simultaneously, solve phenolic foam composite plate material and have very large fragility problem.Wherein, aqueous polyurethane glue utilizes water as solvent, has reduced the pollution to environment.Lignin modification phenolic resins is on phenyl ring, to introduce the long carbochain of toughness, by the phenol formaldehyde foam obtaining that phenol-formaldehyde resin modified is foamed, there is good toughness, the raising of phenol formaldehyde foam toughness increases phenol formaldehyde foam and metal faced bond area, has further improved the adhesion strength of phenol formaldehyde foam and composite board.
The specific embodiment
Embodiment 1
1) utilize galvanized sheet as upper and lower metal decking, at galvanized sheet inner surface, all apply the aqueous polyurethane glue that black and white material ratio is 2:1, at 30 ℃, add thermosetting glue-line;
2) lignin modification phenol resin foam mixture is placed on described lower floor galvanized sheet, foams, obtain phenolic foam composite plate material after curing molding;
Wherein said lignin modification phenol resin foam mixture is by 100 parts, softwood lignin modification phenolic resins, 2 parts of aliphatic alcohol polyethenoxies, 2 parts of triphenyl phosphates, 5 parts of pentanes, 10 parts of compositions of toluenesulfonic acid.
Comparative example 1
1) utilize galvanized sheet as upper and lower metal decking, at galvanized sheet inner surface, all apply butadiene-styrene latex;
Lignin modification phenol resin foam mixture is placed between described tinplate and corrosion resistant plate, foams, obtain phenolic foam composite plate material after curing molding;
Wherein said lignin modification phenol resin foam mixture is by 100 parts, softwood lignin modification phenolic resins, 2 parts of aliphatic alcohol polyethenoxies, 2 parts of triphenyl phosphates, 2 parts of pentanes, 10 parts of compositions of toluenesulfonic acid.
Comparative example 2
1) utilize color steel as upper and lower metal decking, at two sides color steel opposite face, all apply the aqueous polyurethane glue that black and white material ratio is 5:1, at 70 ℃, add thermosetting glue-line;
2) phenol resin foam mixture is placed between described upper and lower color steel, foams, obtain phenolic foam composite plate material after curing molding.
Comparative example 3
1) utilize color steel as with aluminium sheet respectively as upper and lower metal decking, at color steel lower surface and the equal SGA of aluminium sheet upper surface;
2) phenol resin foam mixture is placed between described upper and lower color steel, foams, obtain phenolic foam composite plate material after curing molding.
Comparative example 4
1) utilize aluminium foil and color steel respectively as upper and lower metal decking, at color steel upper surface, apply the aqueous polyurethane glue that black and white material ratio is 3:1, at 48 ℃, add thermosetting glue-line;
2) phenol resin foam is placed between described color steel and aluminum foil plate, foams, obtain phenolic foam composite plate material after curing molding.
Comparative example 5
1) utilize inner surface to be covered with the aluminum foil plate of plucking nonwoven and color steel respectively as upper and lower metal decking, at color steel upper surface, apply polyurethane adhesive;
2) lignin modification phenol resin foam mixture is placed between described color steel and aluminum foil plate, foams, obtain phenolic foam composite plate material after curing molding;
Wherein said lignin modification phenol resin foam mixture is by 100 parts of draft lignin and alkali lignin modified phenolic resins, 3 parts of 1 part of NPE and polyoxyethylene block copolymer, 2 parts, 4 parts of magnesium hydroxides and calcium carbonate, 5 parts of 2 parts of pentamethylene and benzinums, 5 parts of compositions of xylene monosulfonic acid 15 and phosphoric acid.
The phenolic foam composite plate material that above-mentioned 10 groups of embodiment are produced carries out Performance Detection, and result is referring to table 1.
The performance test results of the phenolic resins that the embodiment of the present invention and comparative example provide
Embodiment recited above is described the preferred embodiment of the present invention; not design of the present invention and protection domain are limited; do not departing under the prerequisite of design concept of the present invention; various modification and improvement that in this area, common engineers and technicians make technical scheme of the present invention, all should fall into protection scope of the present invention.

Claims (9)

1. a preparation method for phenolic foam composite plate material, is characterized in that comprising the following steps:
At upper metal decking and lower metal decking apparent surface, all apply aqueous polyurethane glue, at 30-70 ℃, add thermosetting glue-line;
Lignin modification phenol resin foam mixture is placed between described upper metal decking and lower metal decking, foams, obtain phenolic foam composite plate material after curing molding;
Wherein said lignin modification phenol resin foam mixture is by 100 parts, lignin modification phenolic resins, 2 parts of emulsifying agents, 2 parts of fire retardants, 5 parts of blowing agents, 10 parts of compositions of curing agent;
The temperature that described heating glue forms glue-line is 45-55 ℃.
2. the preparation method of a kind of phenolic foam composite plate material according to claim 1, is characterized in that described aqueous polyurethane glue is comprised of two kinds of components of black and white material, and black and white material ratio is 2-5:1.
3. the preparation method of a kind of phenolic foam composite plate material according to claim 1, is characterized in that described upper metal decking and lower metal decking are color steel.
4. a preparation method for phenolic foam composite plate material, is characterized in that comprising the following steps:
1) in upper metal decking or lower metal decking opposite face, one side applies aqueous polyurethane glue, adds thermosetting glue-line at 30-70 ℃;
Lignin modification phenol resin foam mixture is placed between described upper metal decking and lower metal decking, foams, obtain phenolic foam composite plate material after curing molding;
Wherein said lignin modification phenol resin foam mixture is by 100 parts, lignin modification phenolic resins, emulsifying agent 2-7 part, fire retardant 2-10 part, blowing agent 2-10 part, curing agent 10-30 part composition.
5. the preparation method of a kind of phenolic foam composite plate material according to claim 4, is characterized in that the temperature of described heating glue formation glue-line is 45-55 ℃.
6. the preparation method of a kind of phenolic foam composite plate material according to claim 4, is characterized in that described glue is comprised of two kinds of components of black and white material, and black and white material ratio is 2-5:1.
7. the preparation method of a kind of phenolic foam composite plate material according to claim 4, the metal decking that it is characterized in that described surperficial glue coated is color steel.
8. the preparation method of a kind of phenolic foam composite plate material according to claim 4, it is characterized in that described surface not the metal decking of glue coated be aluminum foil plate.
9. the preparation method of a kind of phenolic foam composite plate material according to claim 8, is characterized in that described aluminum foil plate inner surface is covered with plucking nonwoven.
CN201310724977.3A 2013-12-25 2013-12-25 The preparation method of phenolic foam composite board Active CN103738038B (en)

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CN103738038B CN103738038B (en) 2016-06-15

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101214746A (en) * 2007-12-28 2008-07-09 厦门高特高新材料有限公司 Method for improving bonding intensity of phenolic foam composite sheet material
CN102199266A (en) * 2011-04-02 2011-09-28 山东圣泉化工股份有限公司 Method for preparing phenolic resin and phenolic resin foaming body
CN102501469A (en) * 2011-10-12 2012-06-20 山东圣泉化工股份有限公司 Phenolic aldehyde color steel sandwich panel and preparation method thereof
CN102718940A (en) * 2012-06-28 2012-10-10 广州高金技术产业集团有限公司 High-bonding-strength and high-temperature-resisting phenolic resin modified polyurethane adhesive and preparation method thereof
CN102996915A (en) * 2012-11-16 2013-03-27 滕州市华海新型保温材料有限公司 Metal face type phenolic aldehyde composite air hose plate and production method thereof
CN103145938A (en) * 2013-03-26 2013-06-12 山东圣泉化工股份有限公司 Lignin-modified phenolic resin and synthetic method thereof as well as grinding wheel comprising lignin-modified phenolic resin

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101214746A (en) * 2007-12-28 2008-07-09 厦门高特高新材料有限公司 Method for improving bonding intensity of phenolic foam composite sheet material
CN102199266A (en) * 2011-04-02 2011-09-28 山东圣泉化工股份有限公司 Method for preparing phenolic resin and phenolic resin foaming body
CN102501469A (en) * 2011-10-12 2012-06-20 山东圣泉化工股份有限公司 Phenolic aldehyde color steel sandwich panel and preparation method thereof
CN102718940A (en) * 2012-06-28 2012-10-10 广州高金技术产业集团有限公司 High-bonding-strength and high-temperature-resisting phenolic resin modified polyurethane adhesive and preparation method thereof
CN102996915A (en) * 2012-11-16 2013-03-27 滕州市华海新型保温材料有限公司 Metal face type phenolic aldehyde composite air hose plate and production method thereof
CN103145938A (en) * 2013-03-26 2013-06-12 山东圣泉化工股份有限公司 Lignin-modified phenolic resin and synthetic method thereof as well as grinding wheel comprising lignin-modified phenolic resin

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Address after: 250204 Shandong city of Ji'nan province Zhangqiu City Diao Town Industrial Development Zone

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Denomination of invention: Preparation method for phenolic foam composite sheet material

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Denomination of invention: Preparation of phenolic foam composite sheet

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