CN101012332B - Lignin and waste rigid foam powder fluorine-free polyurethane heat insulation material and preparing method - Google Patents
Lignin and waste rigid foam powder fluorine-free polyurethane heat insulation material and preparing method Download PDFInfo
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- CN101012332B CN101012332B CN2007100717777A CN200710071777A CN101012332B CN 101012332 B CN101012332 B CN 101012332B CN 2007100717777 A CN2007100717777 A CN 2007100717777A CN 200710071777 A CN200710071777 A CN 200710071777A CN 101012332 B CN101012332 B CN 101012332B
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- 239000002699 waste material Substances 0.000 title claims abstract description 49
- 239000000843 powder Substances 0.000 title claims abstract description 43
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 34
- 239000004814 polyurethane Substances 0.000 title claims abstract description 34
- 229920005610 lignin Polymers 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000006260 foam Substances 0.000 title claims description 50
- 239000012774 insulation material Substances 0.000 title claims description 31
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 16
- 229920000570 polyether Polymers 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005187 foaming Methods 0.000 claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 16
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 15
- 239000011496 polyurethane foam Substances 0.000 claims description 15
- 239000003381 stabilizer Substances 0.000 claims description 15
- 150000002148 esters Chemical class 0.000 claims description 14
- 239000003063 flame retardant Substances 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 150000002334 glycols Chemical class 0.000 claims description 10
- -1 phosphonium flame retardant phosphoric acid ester Chemical class 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229920001732 Lignosulfonate Polymers 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 229920005550 ammonium lignosulfonate Polymers 0.000 claims description 2
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 125000002524 organometallic group Chemical group 0.000 claims description 2
- DGTNSSLYPYDJGL-UHFFFAOYSA-N phenyl isocyanate Chemical compound O=C=NC1=CC=CC=C1 DGTNSSLYPYDJGL-UHFFFAOYSA-N 0.000 claims description 2
- 229940096992 potassium oleate Drugs 0.000 claims description 2
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 claims description 2
- RLEFZEWKMQQZOA-UHFFFAOYSA-M potassium;octanoate Chemical compound [K+].CCCCCCCC([O-])=O RLEFZEWKMQQZOA-UHFFFAOYSA-M 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 2
- 150000003512 tertiary amines Chemical class 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000012948 isocyanate Substances 0.000 abstract description 2
- 150000002513 isocyanates Chemical class 0.000 abstract description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 239000011810 insulating material Substances 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 15
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- VONWDASPFIQPDY-UHFFFAOYSA-N dimethyl methylphosphonate Chemical compound COP(C)(=O)OC VONWDASPFIQPDY-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- ANHAEBWRQNIPEV-UHFFFAOYSA-N 2-chloroethyl dihydrogen phosphate Chemical compound OP(O)(=O)OCCCl ANHAEBWRQNIPEV-UHFFFAOYSA-N 0.000 description 1
- LLUIQISTLAXOHC-UHFFFAOYSA-N 2-chloropropyl dihydrogen phosphate Chemical compound CC(Cl)COP(O)(O)=O LLUIQISTLAXOHC-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- HHDUMDVQUCBCEY-UHFFFAOYSA-N 4-[10,15,20-tris(4-carboxyphenyl)-21,23-dihydroporphyrin-5-yl]benzoic acid Chemical compound OC(=O)c1ccc(cc1)-c1c2ccc(n2)c(-c2ccc(cc2)C(O)=O)c2ccc([nH]2)c(-c2ccc(cc2)C(O)=O)c2ccc(n2)c(-c2ccc(cc2)C(O)=O)c2ccc1[nH]2 HHDUMDVQUCBCEY-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- ASLWPAWFJZFCKF-UHFFFAOYSA-N tris(1,3-dichloropropan-2-yl) phosphate Chemical compound ClCC(CCl)OP(=O)(OC(CCl)CCl)OC(CCl)CCl ASLWPAWFJZFCKF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses non-fluorine polyurethane insulating material and making method, which comprises the following steps: allocating raw material with 10-16% isocyanate, 6-10% polyether polyol, 0.05-0.25% water, 2-.35% foamer, 0.05-0.2% foam-even agent, 0.04-0.08% initiator, 0.1-3% lignin and 0.1-2% waste hard foaming powder; blending each component together under normal temperature and normal pressure; stirring evenly; casting into mould or plastic filling space immediately; foaming; obtaining the product.
Description
Technical field
The present invention relates to the preparation method of a kind of lagging material and this lagging material.
Background technology
Natural plant material on the earth---xylogen next in number only to Mierocrystalline cellulose, the history in existing several thousand of human use's Mierocrystalline cellulose, it is after nineteen thirty that xylogen really begins one's study, so far do not obtain effectively to utilize, xylogen becomes obstacle and the environmental pollutant in the related industries application, therefore, the utilization of xylogen resource is very great to the human social meaning.
Rigid urethane foam is one of principal item of polyurethane synthetic material, and according to the raw materials used difference and the variation of prescription, it is several to can be made into soft, semi-rigid and rigid urethane foam etc.After nineteen ninety, polyurethane industrial is faced with stern challenge.At first be the pressure of environmental protection.Rigid urethane foam has intensity height, in light weight, characteristics such as insulation effect good, easy construction, be used widely in a lot of fields for many years, along with the expansion of its development and range of application, the recycling of waste and old rigid urethane foam is apparent more important.At present, chemical process is adopted in the recycling of waste and old rigid urethane foam more, has the step complexity, and reaction conditions is than shortcomings such as harshness and cost recovery height.
Since the eighties in 20th century,, be put into the chemical substance of time limit forbidding owing to find the detrimental effect of CFC compound to global environment.
In the prior art, merely xylogen or waste foam lagging material are added in the foaming thermal-insulating, the general chemical processes that adopt increase addition more, have certain technique effect, and still, its cost height, complex process are indubitable.In the prior art, the preparation lagging material is used for regulating molecular weight by adding the higher polyether glycol of a certain amount of cost, changes structure, improves the intensity of lagging material, but the problem that exists lagging material to burn core in the production process influences the quality and the result of use of lagging material.
Summary of the invention
The objective of the invention is for solving in the prior art, merely xylogen or waste foam lagging material are added in the foaming thermal-insulating, the problem of its cost height, complex process and preparation lagging material are used for regulating molecular weight by adding the higher polyether glycol of a certain amount of cost, change structure, improve the intensity of lagging material, but exist lagging material to burn the problem of core in the production process, a kind of xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material and preparation method are provided.Xylogen of the present invention, waste rigid foam powder fluorine-free polyurethane heat insulation material comprise 10～16 parts of isocyanic ester, 6～10 parts of polyether glycols, 0.05～0.25 part in water, 2～3.5 parts of pneumatogens, 0.05～0.2 part of foam stabilizer, 0.04～0.08 part of catalyzer, 0.1～3 part in xylogen and 0.1～2 part of raw material of waste and old hard polyurethane foams powder by weight and make.The preparation method of xylogen of the present invention, waste rigid foam powder fluorine-free polyurethane heat insulation material adopts single stage method foaming, the steps include: one, with 10～16 parts of isocyanic ester, 6～10 parts of polyether glycols, 0.05～0.25 part in water, 2～3.5 parts of pneumatogens, 0.05～0.2 part of foam stabilizer, 0.04～0.08 part of catalyzer, 0.1～3 part in xylogen and 0.1～2 part of accurate weighing of raw material of waste and old hard polyurethane foams powder; Two, the polyether glycol after the weighing, waste and old hard polyurethane foams powder, water, pneumatogen, foam stabilizer and catalyst premixing are closed place first container; Three, isocyanate is placed second container; Four, xylogen is placed the 3rd container; Five, the raw material in second container is joined in first container, mix at normal temperatures and pressures, be stirred to evenly, kept for 1～5 second; Six, the raw material in the 3rd container is joined in first container, mix at normal temperatures and pressures, be stirred to evenly and also inject mould immediately or need the space of filling porous plastics to go, through chemical reaction, promptly obtain xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material after the foaming.The beneficial effect of fluorine-free polyurethane heat insulation material of the present invention is: one, the present invention can make xylogen obtain practical application in lagging material.Two, the present invention reclaims waste rigid foam to make the powder utilization.Three, the present invention is environmentally friendly fluorine-free polyurethane heat insulation material, not only has the friendly performance of fine environment, but also can reduce production costs greatly, improves the problem of burning core, can also play the effect of waste reclaimation.Four, fluorine-free polyurethane heat insulation material of the present invention has the excellent insulating performance, and traditional lagging material thermal conductivity is about 0.027w/ (mK), and the thermal conductivity of fluorine-free polyurethane heat insulation material of the present invention is minimum can to reach 0.018w/ (m.K).Can be widely used in refrigerator, refrigerator-freezer, sandwich sheet material, piping insulation and construction wall.Preparation method's of the present invention beneficial effect is: technology is simple, production efficiency is high, non-environmental-pollution.
Embodiment
Embodiment one: the xylogen of present embodiment, waste rigid foam powder fluorine-free polyurethane heat insulation material are made by 10～16 parts of isocyanic ester, 6～10 parts of polyether glycols, 0.05～0.25 part in water, 2～3.5 parts of pneumatogens, 0.05～0.2 part of foam stabilizer, 0.04～0.08 part of catalyzer, 0.1～3 part in xylogen and 0.1～2 part of raw material of waste and old hard polyurethane foams powder by weight.
Embodiment two: the xylogen of present embodiment, waste rigid foam powder fluorine-free polyurethane heat insulation material are made by 11～15 parts of isocyanic ester, 6.5～9.5 parts of polyether glycols, 0.06～0.24 part in water, 2.1～3.4 parts of pneumatogens, 0.06～0.19 part of foam stabilizer, 0.05～0.07 part of catalyzer, 0.15～2.9 part in xylogen and 0.2～1.8 part of raw material of waste and old hard polyurethane foams powder by weight.Other composition is identical with embodiment one.
Embodiment three: the xylogen of present embodiment, waste rigid foam powder fluorine-free polyurethane heat insulation material are made by 13 parts of isocyanic ester, 8 parts of polyether glycols, 0.1 part in water, 3 parts of pneumatogens, 0.1 part of foam stabilizer, 0.06 part of catalyzer, 1.5 parts in xylogen and 1 part of raw material of waste and old hard polyurethane foams powder by weight.Other composition is identical with embodiment one.
Embodiment four: the described xylogen of present embodiment is alkali lignin, sodium lignosulfonate, calcium lignin sulphonate, ammonium lignosulphonate, magnesium lignosulfonate, acidifying xylogen or lignin fibre.Other composition is identical with embodiment one.
Embodiment five: the described isocyanic ester of present embodiment be '-diphenylmethane diisocyanate (MDI) or the many phenyl isocyanate of polymethine (PAPI) one or both mix use, hydroxyl value is 350～550mg/KOH.Other composition is identical with embodiment one.
Embodiment six: the described catalyzer of present embodiment is tertiary amines (as triethylenediamine etc.), organo-metallic salt (as organotin, potassium oleate, potassium octanoate etc.) or composite catalyst.Other composition is identical with embodiment one.
Embodiment seven: the described whipping agent of present embodiment can be selected chemical foaming agent or pneumatogen for use.Chemical foaming agent is a water, and pneumatogen (claiming " auxiliary blowing agent " sometimes) is generally selected the inert low boiling hydrocarbon compound for use, as pentane, pentamethylene, Skellysolve A, iso-pentane, halogenated alkane etc.Pneumatogen can be one or more arbitrary combination.Other composition is identical with embodiment one.
Embodiment eight: the described foam stabilizer of present embodiment can be organosilicon stablizer (silicone oil).Other composition is identical with embodiment one.
Embodiment nine: the described waste and old hard polyurethane foams powder of present embodiment is to utilize pulverizer that waste and old hard polyurethane foams is pulverized to make particle diameter＜1.5mm (more than about 100 orders).Other composition is identical with embodiment one.
Embodiment ten: the difference of present embodiment and embodiment one is, has increased fire retardant in raw material, and the consumption of fire retardant is 0.5～1 part by weight; Described fire retardant is the organic compound (three (2-chloropropyl) phosphoric acid ester (TCPP), three (2-chloroethyl) phosphoric acid ester (TCEP), three (two chloropropyls) phosphoric acid ester (TDCPP), dimethyl methyl phosphonate (DMMP), polybromodiphenyl ether, tetrabromo-phthalic dicarboxylic anhydride derivative) and the composite use of phosphorus halogen fire retardant of phosphonium flame retardant (phosphoric acid ester and contain halophosphate and Phosphorates phosphorus Halides), halogen containing flame-retardant (halo acid anhydrides, TDE) or phosphorous, chlorine, bromo element.Other composition is identical with embodiment one.
Embodiment 11: the xylogen of present embodiment, the preparation method of waste rigid foam powder fluorine-free polyurethane heat insulation material adopt single stage method foaming, the steps include: one, with 10～16 parts of isocyanic ester, 6～10 parts of polyether glycols, 0.05～0.25 part in water, 2～3.5 parts of pneumatogens, 0.05～0.2 part of foam stabilizer, 0.04～0.08 part of catalyzer, 0.1～3 part in xylogen and 0.1～2 part of accurate weighing of raw material of waste and old hard polyurethane foams powder; Two, the polyether glycol after the weighing, waste and old hard polyurethane foams powder, water, pneumatogen, foam stabilizer and catalyst premixing are closed place first container; Three, isocyanic ester is placed second container; Four, xylogen is placed the 3rd container; Five, the raw material in second container is joined in first container, mix at normal temperatures and pressures, be stirred to evenly, kept for 1～5 second; Six, the raw material in the 3rd container is joined in first container, mix at normal temperatures and pressures, be stirred to evenly and also inject mould immediately or need the space of filling porous plastics to go, through chemical reaction, promptly obtain xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material after the foaming.
Claims (10)
1. an xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material is characterized in that xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material comprise 10～16 parts of isocyanic ester, 6～10 parts of polyether glycols, 0.05～0.25 part in water, 2～3.5 parts of pneumatogens, 0.05～0.2 part of foam stabilizer, 0.04～0.08 part of catalyzer, 0.1～3 part in xylogen and 0.1～2 part of raw material of waste and old hard polyurethane foams powder by weight to make.
2. xylogen according to claim 1, waste rigid foam powder fluorine-free polyurethane heat insulation material is characterized in that xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material comprise 11～15 parts of isocyanic ester, 6.5～9.5 parts of polyether glycols, 0.06～0.24 part in water, 2.1～3.4 parts of pneumatogens, 0.06～0.19 part of foam stabilizer, 0.05～0.07 part of catalyzer, 0.15～2.9 part in xylogen and 0.2～1.8 part of raw material of waste and old hard polyurethane foams powder by weight to make.
3. xylogen according to claim 1, waste rigid foam powder fluorine-free polyurethane heat insulation material is characterized in that xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material comprise 13 parts of isocyanic ester, 8 parts of polyether glycols, 0.1 part in water, 3 parts of pneumatogens, 0.1 part of foam stabilizer, 0.06 part of catalyzer, 1.5 parts in xylogen and 1 part of raw material of waste and old hard polyurethane foams powder by weight to make.
4. xylogen according to claim 1, waste rigid foam powder fluorine-free polyurethane heat insulation material is characterized in that described xylogen is alkali lignin, sodium lignosulfonate, calcium lignin sulphonate, ammonium lignosulphonate, magnesium lignosulfonate, acidifying xylogen or lignin fibre.
5. xylogen according to claim 1, waste rigid foam powder fluorine-free polyurethane heat insulation material, it is characterized in that described isocyanic ester is one or both mixing uses of '-diphenylmethane diisocyanate or the many phenyl isocyanate of polymethine, hydroxyl value is 350～550mg/KOH.
6. xylogen according to claim 1, waste rigid foam powder fluorine-free polyurethane heat insulation material is characterized in that described catalyzer is the triethylenediamine of tertiary amines, organotin, potassium oleate or the potassium octanoate of organo-metallic salt.
7. xylogen according to claim 1, waste rigid foam powder fluorine-free polyurethane heat insulation material is characterized in that described pneumatogen is pentane or the halogenated alkane in the inert low boiling hydrocarbon compound; Pneumatogen is one or more arbitrary combination.
8. xylogen according to claim 1, waste rigid foam powder fluorine-free polyurethane heat insulation material is characterized in that described foam stabilizer is a silicone oil.
9. according to the described xylogen of the arbitrary claim of claim 1～8, waste rigid foam powder fluorine-free polyurethane heat insulation material, it is characterized in that xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material also comprise fire retardant, the consumption of fire retardant is 0.5～1 part by weight; Described fire retardant be in the phosphonium flame retardant phosphoric acid ester, contain halophosphate or Phosphorates phosphorus Halides; Halo acid anhydrides in the halogen containing flame-retardant, TDE; Perhaps polybromodiphenyl ether.
10. the preparation method of an xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material, the preparation method who it is characterized in that xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material adopts the single stage method foaming, the steps include: one, with 10～16 parts of isocyanic ester, 6～10 parts of polyether glycols, 0.05～0.25 part in water, 2～3.5 parts of pneumatogens, 0.05～0.2 part of foam stabilizer, 0.04～0.08 part of catalyzer, 0.1～3 part in xylogen and 0.1～2 part of accurate weighing of raw material of waste and old hard polyurethane foams powder; Two, the polyether glycol after the weighing, waste and old hard polyurethane foams powder, water, pneumatogen, foam stabilizer and catalyst premixing are closed place first container; Three, isocyanic ester is placed second container; Four, xylogen is placed the 3rd container; Five, the raw material in second container is joined in first container, mix at normal temperatures and pressures, be stirred to evenly, kept for 1～5 second; Six, the raw material in the 3rd container is joined in first container, mix at normal temperatures and pressures, be stirred to evenly and also inject mould immediately or need the space of filling porous plastics to go, through chemical reaction, promptly obtain xylogen, waste rigid foam powder fluorine-free polyurethane heat insulation material after the foaming.
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| CN2007100717777A CN101012332B (en) | 2007-02-09 | 2007-02-09 | Lignin and waste rigid foam powder fluorine-free polyurethane heat insulation material and preparing method |
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| CN2007100717777A CN101012332B (en) | 2007-02-09 | 2007-02-09 | Lignin and waste rigid foam powder fluorine-free polyurethane heat insulation material and preparing method |
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| CN101012332B true CN101012332B (en) | 2010-10-13 |
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|---|---|---|---|---|
| CN101157708B (en) * | 2007-08-31 | 2011-05-11 | 中国林业科学研究院林产化学工业研究所 | Block polyether compound modified lignin and preparation method and uses thereof |
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