CN108099327A - A kind of hard-foam polyurethane compound crosslinked polyethylene pad and its production method - Google Patents
A kind of hard-foam polyurethane compound crosslinked polyethylene pad and its production method Download PDFInfo
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- CN108099327A CN108099327A CN201711355142.XA CN201711355142A CN108099327A CN 108099327 A CN108099327 A CN 108099327A CN 201711355142 A CN201711355142 A CN 201711355142A CN 108099327 A CN108099327 A CN 108099327A
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- hard
- foam
- polyurethane foams
- froth bed
- closed cell
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 63
- 239000006260 foam Substances 0.000 title claims abstract description 61
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 45
- 239000004814 polyurethane Substances 0.000 title claims abstract description 45
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 44
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 103
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 103
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000005977 Ethylene Substances 0.000 claims abstract description 63
- 238000005260 corrosion Methods 0.000 claims abstract description 37
- 239000002131 composite material Substances 0.000 claims abstract description 36
- 238000005516 engineering process Methods 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 7
- 239000004088 foaming agent Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 239000012948 isocyanate Substances 0.000 claims description 7
- 150000002513 isocyanates Chemical class 0.000 claims description 7
- 238000010422 painting Methods 0.000 claims description 7
- 230000000704 physical effect Effects 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 2
- 238000009413 insulation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004321 preservation Methods 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/025—Polyolefin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
Landscapes
- Floor Finish (AREA)
Abstract
The present invention provides a kind of hard-foam polyurethane compound crosslinked polyethylene pad and its production method, belongs to technical field of buildings.It includes hard polyurethane foams layer, ethylene closed cell froth bed, the hard polyurethane foams layer and ethylene closed cell froth bed are bonded together by infrared wave technology, anti-corrosion fibrofelt is compounded on the downside of the hard polyurethane foams layer, anti-corrosion fibrofelt is compounded on the upside of the ethylene closed cell froth bed.A kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad：Polyurethane foam；Hard polyurethane foams layer demoulds；Hard polyurethane foams layer composite anti-corrosive fibrofelt；Once cut；Ethylene closed cell froth bed composite anti-corrosive fibrofelt；Ethylene closed cell froth bed and hard polyurethane foams layer are compound；Secondary cut；It examines.Hard-foam polyurethane compound crosslinked polyethylene pad of the present invention has sound insulation, heat preservation, the effect of vibration damping, is widely used in the heat preservation of building bottom of the building face, sound insulation, and service life is long.
Description
Technical field
The present invention relates to technical field of buildings, more particularly to a kind of hard-foam polyurethane compound crosslinked polyethylene pad and its production
Method.
Background technology
Cushion blocking is mainly used in the public places of entertainment such as house, hotel, school, Business Building, KTV, night total dancing hall
And other places for needing sound insulation vibration damping, there is splendid damping vibration attenuation effect, be a kind of high floating floor material of cost performance
Material.Cushion blocking major advantage is：It 1. can be between -150 °~-300 ° using the temperature difference；2. similary big product load is big, resistance
Buddhist nun is big；3. service life is long；4. the elastic good elasticity as rubber product, elasticity is than the absolutely not devaluation of rubber；5. salt tolerant
Mist, mould, humidity, ozone, grease, vacuum, sunshine, nuclear radiation, dust and each chemical attack；6. area is small, load-carrying is big.Because
Its these characteristic, so cushion blocking is widely applied in building field.At present, in the market common cushion blocking using high-quality
Rubber is material, there is circular recess hollow out, shearing corrugated, generally to shear based on shape stress, has that intrinsic frequency is low, structure
Simply, it is easy to use.But this kind of cushion blocking soundproof effect is poor, and cost is higher, and service life also only has 3~5 years,
It promotes in the market and receives serious obstruction.
The content of the invention
The object of the present invention is to provide a kind of hard-foam polyurethane compound crosslinked polyethylene pad and its production method, the poly- ammonia of hard bubble
Ester compound crosslinked polyethylene pad has sound insulation, heat preservation, the effect of vibration damping, is widely used in the heat preservation of building bottom of the building face, sound insulation, uses the longevity
Life length.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of hard-foam polyurethane compound crosslinked polyethylene pad, it includes hard polyurethane foams layer, ethylene closed cell froth bed, institute
It states hard polyurethane foams layer and ethylene closed cell froth bed is bonded together by infrared wave technology, the hard polyaminoester
Anti-corrosion fibrofelt is compounded on the downside of froth bed, anti-corrosion fibrofelt is compounded on the upside of the ethylene closed cell froth bed.
Further, the hard polyurethane foams layer and ethylene closed cell froth bed by heat it is composite adhered together with.
Further, the anti-corrosion fibrofelt is glass mat.
Further, the thickness of the hard polyurethane foams layer is 5mm, and the thickness of ethylene closed cell froth bed is 4mm.
A kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad, comprises the following steps：
Step（1）, polyurethane foam is primary raw material with isocyanates and polyethers, foaming agent, catalyst, fire retardant work
It under, is mixed by special equipment, hard polyurethane foams layer is formed through high pressure painting foam-in-place；
Step（2）, the hard polyurethane foams layer demoulding, by the hard polyurethane foams layer demoulding for formation of foaming；
Step（3）, anti-corrosion fibrofelt is compounded in hard polyurethane foams layer by hard polyurethane foams layer composite anti-corrosive fibrofelt
Downside；
Step（4）, once cut, the hard polyurethane foams layer of composite anti-corrosive fibrofelt cut, is cut into required
Size；
Step（5）, anti-corrosion fibrofelt is compounded in ethylene closed cell froth bed by ethylene closed cell froth bed composite anti-corrosive fibrofelt
Upside；
Step（6）, ethylene closed cell froth bed and hard polyurethane foams layer are compound, ethylene closed cell froth bed are passed through infrared
Line wave technology is bonded on hard polyurethane foams layer；
Step（7）, secondary cut, will be compound after the hard-foam polyurethane compound crosslinked polyethylene pad that is formed cut；
Step（8）, examine, size and appearance test carried out to hard-foam polyurethane compound crosslinked polyethylene pad, and randomly selected
Examine its physical property.
Further, step（1）In, the polyurethane foam temperature is 30 DEG C~35 DEG C.
Further, step（6）In, the ethylene closed cell froth bed is composite adhered in hard polyurethane foams by heat
On layer.
Compared to the prior art the present invention, has the following advantages and effect：The poly- second of hard-foam polyurethane composite crosslinking of the present invention
The apparent density of alkene pad is 30~35, thermal conductivity factor≤0.031, compression set≤
10%, combustibility is B1 grades, and functional, stability is good.Air-borne sound sound insulation evaluation amount >=51dB, weighted standardization strike note
Arbitrarily downgrade≤65dB.When in use, hard-foam polyurethane compound crosslinked polyethylene pad is laid between the concrete of two layers of floor, is had
Good soundproof effect, upper and lower floor residence comfort are good.Hard-foam polyurethane compound crosslinked polyethylene pad of the present invention have sound insulation,
Heat preservation, the effect of vibration damping, are widely used in the heat preservation of building bottom of the building face, sound insulation, and service life is long.The poly- second of hard-foam polyurethane composite crosslinking
The production method of alkene pad is simple, at low cost.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
In figure：1. hard polyurethane foams layer, 2. ethylene closed cell froth beds, 3. anti-corrosion fibrofelts.
Specific embodiment
Below in conjunction with the accompanying drawings and pass through embodiment the present invention is described in further detail, following embodiment is to this hair
Bright explanation and the invention is not limited in following embodiments.
Embodiment one
As shown in Figure 1, a kind of hard-foam polyurethane compound crosslinked polyethylene pad, it includes hard polyurethane foams layer 1, polyethylene closes
Hole froth bed 2, the hard polyurethane foams layer 1 and ethylene closed cell froth bed 2 are bonded together by infrared wave technology,
The downside of the hard polyurethane foams layer 1 is compounded with anti-corrosion fibrofelt, and the upside of the ethylene closed cell froth bed 2 is compounded with
Anti-corrosion fibrofelt 3, the anti-corrosion fibrofelt 3 are glass mat.The thickness of the hard polyurethane foams layer be 5mm, poly- second
The thickness of alkene layer of closed-cell foam is 4mm.
A kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad, comprises the following steps：
Step（1）, polyurethane foam is primary raw material with isocyanates and polyethers, foaming agent, catalyst, fire retardant work
It under, is mixed by special equipment, forms hard polyurethane foams layer 1 through high pressure painting foam-in-place, blowing temperature is 30 DEG C；
Step（2）, hard polyurethane foams layer 1 demoulds, and the hard polyurethane foams layer 1 that is formed of foaming demoulds；
Step（3）, anti-corrosion fibrofelt 3 is compounded in rigid polyurethane foam by 1 composite anti-corrosive fibrofelt 3 of hard polyurethane foams layer
The downside of foam layer 1；
Step（4）, once cut, the hard polyurethane foams layer 1 of composite anti-corrosive fibrofelt 3 cut, cut into required
Size；
Step（5）, 2 composite anti-corrosive fibrofelt 3 of ethylene closed cell froth bed, by anti-corrosion fibrofelt 3 be compounded in ethylene closed cell bubble
The upside of foam layer 2；
Step（6）, 1 layer of ethylene closed cell froth bed 2 and hard polyurethane foams are compound, and ethylene closed cell froth bed 2 is passed through
Infrared wave technology is bonded on hard polyurethane foams layer 1；
Step（7）, secondary cut, will be compound after the hard-foam polyurethane compound crosslinked polyethylene pad that is formed cut；
Step（8）, examine, size and appearance test carried out to hard-foam polyurethane compound crosslinked polyethylene pad, and randomly selected
Examine its physical property.
Embodiment two
A kind of hard-foam polyurethane compound crosslinked polyethylene pad, it includes hard polyurethane foams layer 1, ethylene closed cell froth bed 2,
The hard polyurethane foams layer 1 and ethylene closed cell froth bed 2 by heat it is composite adhered together with, the rigid polyurethane foam
The downside of foam layer 1 is compounded with anti-corrosion fibrofelt 3, and the upside of the ethylene closed cell froth bed 2 is compounded with anti-corrosion fibrofelt 3, institute
Anti-corrosion fibrofelt 3 is stated as glass mat, the thickness of the hard polyurethane foams layer is 5mm, ethylene closed cell froth bed
Thickness is 4mm.
A kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad, comprises the following steps：
Step（1）, polyurethane foam is primary raw material with isocyanates and polyethers, foaming agent, catalyst, fire retardant work
It under, is mixed by special equipment, forms hard polyurethane foams layer 1 through high pressure painting foam-in-place, blowing temperature is 32 DEG C；
Step（2）, hard polyurethane foams layer 1 demoulds, and the hard polyurethane foams layer 1 that is formed of foaming demoulds；
Step（3）, anti-corrosion fibrofelt 3 is compounded in rigid polyurethane foam by 1 composite anti-corrosive fibrofelt 3 of hard polyurethane foams layer
The downside of foam layer 1；
Step（4）, once cut, the hard polyurethane foams layer 1 of composite anti-corrosive fibrofelt 3 cut, cut into required
Size；
Step（5）, 2 composite anti-corrosive fibrofelt 3 of ethylene closed cell froth bed, by anti-corrosion fibrofelt 3 be compounded in ethylene closed cell bubble
The upside of foam layer 2；
Step（6）, ethylene closed cell froth bed 2 and hard polyurethane foams layer 1 are compound, and ethylene closed cell froth bed 2 passes through heat
It is composite adhered on hard polyurethane foams layer 1, the compound temperature of heat is 75 DEG C；
Step（7）, secondary cut, will be compound after the hard-foam polyurethane compound crosslinked polyethylene pad that is formed cut；
Step（8）, examine, size and appearance test carried out to hard-foam polyurethane compound crosslinked polyethylene pad, and randomly selected
Examine its physical property.
Embodiment three
A kind of hard-foam polyurethane compound crosslinked polyethylene pad, it includes hard polyurethane foams layer 1, ethylene closed cell froth bed 2,
The hard polyurethane foams layer 1 and ethylene closed cell froth bed 2 by heat it is composite adhered together with, the rigid polyurethane foam
The downside of foam layer 1 is compounded with anti-corrosion fibrofelt 3, and the upside of the ethylene closed cell froth bed 2 is compounded with anti-corrosion fibrofelt 3, institute
Anti-corrosion fibrofelt 3 is stated as glass mat, the thickness of the hard polyurethane foams layer is 5mm, ethylene closed cell froth bed
Thickness is 4mm.
A kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad, comprises the following steps：
Step（1）, polyurethane foam is primary raw material with isocyanates and polyethers, foaming agent, catalyst, fire retardant work
It under, is mixed by special equipment, forms hard polyurethane foams layer 1 through high pressure painting foam-in-place, blowing temperature is 34 DEG C；
Step（2）, hard polyurethane foams layer 1 demoulds, and the hard polyurethane foams layer 1 that is formed of foaming demoulds；
Step（3）, anti-corrosion fibrofelt 3 is compounded in rigid polyurethane foam by 1 composite anti-corrosive fibrofelt 3 of hard polyurethane foams layer
The downside of foam layer 1；
Step（4）, once cut, the hard polyurethane foams layer 1 of composite anti-corrosive fibrofelt 3 cut, cut into required
Size；
Step（5）, 2 composite anti-corrosive fibrofelt 3 of ethylene closed cell froth bed, by anti-corrosion fibrofelt 3 be compounded in ethylene closed cell bubble
The upside of foam layer 2；
Step（6）, ethylene closed cell froth bed 2 and hard polyurethane foams layer 1 are compound, and ethylene closed cell froth bed 2 passes through heat
It is composite adhered on hard polyurethane foams layer 1, the compound temperature of heat is 80 DEG C；
Step（7）, secondary cut, will be compound after the hard-foam polyurethane compound crosslinked polyethylene pad that is formed cut；
Step（8）, examine, size and appearance test carried out to hard-foam polyurethane compound crosslinked polyethylene pad, and randomly selected
Examine its physical property.
Example IV
A kind of hard-foam polyurethane compound crosslinked polyethylene pad, it includes hard polyurethane foams layer 1, ethylene closed cell froth bed 2,
The hard polyurethane foams layer 1 and ethylene closed cell froth bed 2 by heat it is composite adhered together with, the rigid polyurethane foam
The downside of foam layer 1 is compounded with anti-corrosion fibrofelt 3, and the upside of the ethylene closed cell froth bed 2 is compounded with anti-corrosion fibrofelt 3, institute
Anti-corrosion fibrofelt 3 is stated as glass mat, the thickness of the hard polyurethane foams layer is 5mm, ethylene closed cell froth bed
Thickness is 4mm.
A kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad, comprises the following steps：
Step（1）, polyurethane foam is primary raw material with isocyanates and polyethers, foaming agent, catalyst, fire retardant work
It under, is mixed by special equipment, forms hard polyurethane foams layer 1 through high pressure painting foam-in-place, blowing temperature is 35 DEG C；
Step（2）, hard polyurethane foams layer 1 demoulds, and the hard polyurethane foams layer 1 that is formed of foaming demoulds；
Step（3）, anti-corrosion fibrofelt 3 is compounded in rigid polyurethane foam by 1 composite anti-corrosive fibrofelt 3 of hard polyurethane foams layer
The downside of foam layer 1；
Step（4）, once cut, the hard polyurethane foams layer 1 of composite anti-corrosive fibrofelt 3 cut, cut into required
Size；
Step（5）, 2 composite anti-corrosive fibrofelt 3 of ethylene closed cell froth bed, by anti-corrosion fibrofelt 3 be compounded in ethylene closed cell bubble
The upside of foam layer 2；
Step（6）, ethylene closed cell froth bed 2 and hard polyurethane foams layer 1 are compound, and ethylene closed cell froth bed 2 passes through heat
It is composite adhered on hard polyurethane foams layer 1, the compound temperature of heat is 85 DEG C；
Step（7）, secondary cut, will be compound after the hard-foam polyurethane compound crosslinked polyethylene pad that is formed cut；
Step（8）, examine, size and appearance test carried out to hard-foam polyurethane compound crosslinked polyethylene pad, and randomly selected
Examine its physical property.
Embodiment five
As shown in Figure 1, a kind of hard-foam polyurethane compound crosslinked polyethylene pad, it includes hard polyurethane foams layer 1, polyethylene closes
Hole froth bed 2, the hard polyurethane foams layer 1 and ethylene closed cell froth bed 2 are bonded together by infrared wave technology,
The downside of the hard polyurethane foams layer 1 is compounded with anti-corrosion fibrofelt 3, and the upside of the ethylene closed cell froth bed 2 is compound
There is anti-corrosion fibrofelt 3, the anti-corrosion fibrofelt 3 is glass mat.The thickness of the hard polyurethane foams layer is 5mm, is gathered
The thickness of ethylene layer of closed-cell foam is 4mm.
A kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad, comprises the following steps：
Step（1）, polyurethane foam is primary raw material with isocyanates and polyethers, foaming agent, catalyst, fire retardant work
It under, is mixed by special equipment, forms hard polyurethane foams layer 1 through high pressure painting foam-in-place, blowing temperature is 35 DEG C；
Step（2）, hard polyurethane foams layer 1 demoulds, and the hard polyurethane foams layer 1 that is formed of foaming demoulds；
Step（3）, anti-corrosion fibrofelt 3 is compounded in rigid polyurethane foam by 1 composite anti-corrosive fibrofelt 3 of hard polyurethane foams layer
The downside of foam layer 1；
Step（4）, once cut, the hard polyurethane foams layer 1 of composite anti-corrosive fibrofelt 3 cut, cut into required
Size；
Step（5）, 2 composite anti-corrosive fibrofelt 3 of ethylene closed cell froth bed, by anti-corrosion fibrofelt 3 be compounded in ethylene closed cell bubble
The upside of foam layer 2；
Step（6）, ethylene closed cell froth bed 2 and hard polyurethane foams layer 1 are compound, and ethylene closed cell froth bed 2 is passed through
Infrared wave technology is bonded on hard polyurethane foams layer 1；
Step（7）, secondary cut, will be compound after the hard-foam polyurethane compound crosslinked polyethylene pad that is formed cut；
Step（8）, examine, size and appearance test carried out to hard-foam polyurethane compound crosslinked polyethylene pad, and randomly selected
Examine its physical property.
Above content described in this specification is only illustration made for the present invention.Technology belonging to the present invention
The technical staff in field can do described specific embodiment various modifications or additions or in a similar way
It substitutes, content without departing from description of the invention or surmounts scope defined in the claims, this should all be belonged to
The protection domain of invention.
Claims (8)
1. a kind of hard-foam polyurethane compound crosslinked polyethylene pad, it is characterised in that：It includes hard polyurethane foams layer, polyethylene
Layer of closed-cell foam, the hard polyurethane foams layer and ethylene closed cell froth bed are bonded together by infrared wave technology,
Anti-corrosion fibrofelt is compounded on the downside of the hard polyurethane foams layer, is compounded on the upside of the ethylene closed cell froth bed anti-
Rotten fibrofelt.
2. a kind of hard-foam polyurethane compound crosslinked polyethylene pad according to claim 1, it is characterised in that：The hard gathers
Urethane froth bed and ethylene closed cell froth bed by heat it is composite adhered together with.
3. a kind of hard-foam polyurethane compound crosslinked polyethylene pad according to claim 1, it is characterised in that：The anti-corrosion is fine
Dimension felt is glass mat.
4. a kind of hard-foam polyurethane compound crosslinked polyethylene pad according to claim 1, it is characterised in that：The hard gathers
The thickness of urethane froth bed is 5mm, and the thickness of ethylene closed cell froth bed is 4mm.
5. a kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad according to claim 1, it is characterised in that：
Comprise the following steps：
Step（1）, polyurethane foam is primary raw material with isocyanates and polyethers, foaming agent, catalyst, fire retardant work
It under, is mixed by special equipment, hard polyurethane foams layer is formed through high pressure painting foam-in-place；
Step（2）, the hard polyurethane foams layer demoulding, by the hard polyurethane foams layer demoulding for formation of foaming；
Step（3）, anti-corrosion fibrofelt is compounded in hard polyurethane foams layer by hard polyurethane foams layer composite anti-corrosive fibrofelt
Downside；
Step（4）, once cut, the hard polyurethane foams layer of composite anti-corrosive fibrofelt cut, is cut into required
Size；
Step（5）, anti-corrosion fibrofelt is compounded in ethylene closed cell froth bed by ethylene closed cell froth bed composite anti-corrosive fibrofelt
Upside；
Step（6）, ethylene closed cell froth bed and hard polyurethane foams layer are compound, ethylene closed cell froth bed are passed through infrared
Line wave technology is bonded on hard polyurethane foams layer；
Step（7）, secondary cut, will be compound after the hard-foam polyurethane compound crosslinked polyethylene pad that is formed cut；
Step（8）, examine, size and appearance test carried out to hard-foam polyurethane compound crosslinked polyethylene pad, and randomly selected
Examine its physical property.
6. a kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad according to claim 5, it is characterised in that：
Step（1）In, the polyurethane foam temperature is 30 DEG C~35 DEG C.
7. a kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad according to claim 5, it is characterised in that：
Step（6）In, the ethylene closed cell froth bed is composite adhered on hard polyurethane foams layer by heat.
8. a kind of production method of hard-foam polyurethane compound crosslinked polyethylene pad according to claim 7, it is characterised in that：
The ethylene closed cell froth bed is composite adhered on hard polyurethane foams layer by heat, and the compound temperature of heat is 75 DEG C~85
℃。
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| CN109989492A (en) * | 2019-03-06 | 2019-07-09 | 湖州绿色新材股份有限公司 | Crosslinked polyethylene composite Nano silica insulation quilt and its production method and system |
| CN110077057A (en) * | 2019-04-29 | 2019-08-02 | 江苏博康特建材有限公司 | A kind of thermal insulation sound baffle and preparation method thereof, ground laying method |
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