GB2588562A - Polyurethane Foaming Material And Preparation Method Thereof - Google Patents
Polyurethane Foaming Material And Preparation Method Thereof Download PDFInfo
- Publication number
- GB2588562A GB2588562A GB2101182.0A GB202101182A GB2588562A GB 2588562 A GB2588562 A GB 2588562A GB 202101182 A GB202101182 A GB 202101182A GB 2588562 A GB2588562 A GB 2588562A
- Authority
- GB
- United Kingdom
- Prior art keywords
- minutes
- parts
- reaction kettle
- foaming material
- polyurethane foaming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005187 foaming Methods 0.000 title claims description 94
- 239000000463 material Substances 0.000 title claims description 75
- 229920002635 polyurethane Polymers 0.000 title claims description 51
- 239000004814 polyurethane Substances 0.000 title claims description 51
- 238000002360 preparation method Methods 0.000 title claims description 11
- 239000006260 foam Substances 0.000 claims abstract description 45
- 239000004094 surface-active agent Substances 0.000 claims abstract description 43
- 239000003381 stabilizer Substances 0.000 claims abstract description 37
- 229920005862 polyol Polymers 0.000 claims abstract description 36
- 150000003077 polyols Chemical class 0.000 claims abstract description 36
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 35
- 239000008158 vegetable oil Substances 0.000 claims abstract description 35
- 239000003054 catalyst Substances 0.000 claims abstract description 24
- 239000004088 foaming agent Substances 0.000 claims abstract description 24
- 239000012948 isocyanate Substances 0.000 claims abstract description 24
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 24
- 239000004970 Chain extender Substances 0.000 claims abstract description 22
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 22
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 claims abstract description 21
- 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 claims abstract description 16
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims abstract description 16
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- -1 polymethylene isocyanate Polymers 0.000 claims abstract description 5
- VPAYJEUHKVESSD-UHFFFAOYSA-N trifluoroiodomethane Chemical compound FC(F)(F)I VPAYJEUHKVESSD-UHFFFAOYSA-N 0.000 claims abstract description 5
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims abstract description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims abstract description 4
- FVKFHMNJTHKMRX-UHFFFAOYSA-N 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine Chemical compound C1CCN2CCCNC2=N1 FVKFHMNJTHKMRX-UHFFFAOYSA-N 0.000 claims abstract description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 68
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- WZLFPVPRZGTCKP-UHFFFAOYSA-N 1,1,1,3,3-pentafluorobutane Chemical compound CC(F)(F)CC(F)(F)F WZLFPVPRZGTCKP-UHFFFAOYSA-N 0.000 claims description 5
- SGUVLZREKBPKCE-UHFFFAOYSA-N 1,5-diazabicyclo[4.3.0]-non-5-ene Chemical compound C1CCN=C2CCCN21 SGUVLZREKBPKCE-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical class O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 claims description 2
- GVRWIAHBVAYKIZ-UHFFFAOYSA-N dec-3-ene Chemical compound CCCCCCC=CCC GVRWIAHBVAYKIZ-UHFFFAOYSA-N 0.000 claims 1
- 239000003549 soybean oil Substances 0.000 abstract description 11
- 235000012424 soybean oil Nutrition 0.000 abstract description 11
- 235000019483 Peanut oil Nutrition 0.000 abstract description 3
- 239000002385 cottonseed oil Substances 0.000 abstract description 3
- 235000012343 cottonseed oil Nutrition 0.000 abstract description 3
- 239000000312 peanut oil Substances 0.000 abstract description 3
- 239000008159 sesame oil Substances 0.000 abstract description 3
- 235000011803 sesame oil Nutrition 0.000 abstract description 3
- JABYJIQOLGWMQW-UHFFFAOYSA-N undec-4-ene Chemical compound CCCCCCC=CCCC JABYJIQOLGWMQW-UHFFFAOYSA-N 0.000 abstract description 2
- 229920005830 Polyurethane Foam Polymers 0.000 abstract 1
- 239000011496 polyurethane foam Substances 0.000 abstract 1
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 14
- 238000009413 insulation Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 5
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000032798 delamination Effects 0.000 description 3
- 238000007373 indentation Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- LTVJJSFLSYSCEF-UHFFFAOYSA-L disodium;4-dodecoxy-4-oxo-3-sulfonatobutanoate Chemical compound [Na+].[Na+].CCCCCCCCCCCCOC(=O)C(S([O-])(=O)=O)CC([O-])=O LTVJJSFLSYSCEF-UHFFFAOYSA-L 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229950008882 polysorbate Drugs 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- XXJGBENTLXFVFI-UHFFFAOYSA-N 1-amino-methylene Chemical compound N[CH2] XXJGBENTLXFVFI-UHFFFAOYSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- UNSAJINGUOTTRA-UHFFFAOYSA-N 3-(3-bromophenyl)prop-2-yn-1-ol Chemical compound OCC#CC1=CC=CC(Br)=C1 UNSAJINGUOTTRA-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000006355 carbonyl methylene group Chemical group [H]C([H])([*:2])C([*:1])=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/20—Heterocyclic amines; Salts thereof
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- C08G18/2063—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings having two nitrogen atoms in the condensed ring system
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- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
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- C08G18/2072—Heterocyclic amines; Salts thereof containing condensed heterocyclic rings having at least three nitrogen atoms in the condensed ring system
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- C08G18/3206—Polyhydroxy compounds aliphatic
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- C08G18/7607—Compounds of C08G18/7614 and of C08G18/7657
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- C08G18/86—Chemically modified polymers by peroxides
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- C08J9/0028—Use of organic additives containing nitrogen
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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Abstract
A polyurethane foam prepared form vegetable oil polyol, such as one derived from sesame oil, peanut oil, soybean oil or cotton seed oil, an isocyanate, such toluene diisocyanate (TDI), methylene diphenyl diisocyanate (MDI), polyaryl polymethylene isocyanate (PAPI), a foaming agent, such as iodotrifluoromethane, or 1,1,1,3,3-pentafluoropropane (HFC-245fa), a catalyst, such as 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD), 1,8-diazbicyclo[5.4.0]undec-7-ene (DBU), a surfactant, a chain extender, such as 1,4-butylene glycol (BDO), 1,6-hexanediol, a cross-linking agent, such as 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (TMP), dicumyl peroxide, and a foam stabiliser, such as an organosilicon foam stabiliser, wherein the surfactant is a compound of formula [I];
Description
POLYURETHANE FOAMING MATERIAL AND PREPARATION METHOD THEREOF
TECHNICAL FIELD
The present invention relates to the field of polyurethane foaming material technologies, and more particularly, to a polyurethane foaming material and a preparation method thereof
BACKGROUND
A polymer is used as a base material in a polyurethane foaming material, and a large number of foam pore structures are generated inside the polyurethane foaming material by a physical or chemical method. The polyurethane foaming material is a polymer with repeated structural units of carbamate chain segments, which is made by a reaction between an isocyanate and a polyol. The foaming material is widely used in packaging industry, industry, agriculture, transportation, military industry, aerospace industry, daily necessities, and other fields due to unique foam pore structure, which endows the foaming material with a series of excellent performances, such as a low density, thermal insulation and sound insulation, a high specific strength, good buffering and thermal insulation, and the like. The polyurethane foaming material has an optimal thermal insulation performance than other foaming materials. Meanwhile, the polyurethane foaming material has an excellent material strength, and is commonly used in refrigerators, solar energy, thermal pipelines, buildings, cold chains, and other thermal insulation fields. However, a thermal conductivity of an existing polyurethane material used in a thermal insulation industry is not too low, and the thermal insulation performance is not good enough. Moreover, in an application process of a surfactant in the prior art, in the case of less adding amount of the surfactant, delamination may occur, with a poor miscibility, and in the case of excess adding amount of the surfactant, the performance may be affected.
On this basis, it is currently necessary to provide a new polyurethane foaming material and a preparation method thereof to solve the above problems. -t -
SUMMARY
Objective of the present invention: the technical problem to be solved by the present invention is to provide a polyurethane foaming material aiming at the defects in the prior art, so as to solve problems of an excessively high thermal conductivity and a poor thermal insulation performance of the polyurethane foaming material.
A technical problem to be further solved by the present invention is to provide a preparation method of the above polyurethane foaming material.
In order to solve the above first technical problem, the present invention discloses a polyurethane foaming material prepared from raw materials comprising a vegetable oil polyol, an isocyanate, a foaming agent, a catalyst, a surfactant, a chain extender, a cross-linking agent, and a foam stabilizer.
The surfactant is a compound of formula I; HNiSr=12 H2 N....-^.".",.A.COONa A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer is 105 to 110: 95 to 100:45 to 55: 5 to 20: 2 to 7: Ito 2:0,5 to 2: 10 to 25, and preferably 108: 96: 50: 10: 4: 1.5: 0.5: 15.
A hydroxyl value of the vegetable oil polyol is 400 mg KOH/g to 500 mg KOH/g, wherein the vegetable oil polyol is derived from sesame oil, peanut oil, soybean oil, cotton seed oil, and the like.
The isocyanate is a mixture of at least two of toluene diisocyanate (TDI), methylenediphenyl diisocyanate (MDI), polvaryl polymethylene isocyanate (PAPI), and carbodiimide-modified methylenediphenyl diisocyanate; preferably, the isocyanate is a mixture of the PAPI and the MDI; and further preferably, a mass ratio of the PAPI to the MDI is 6: 4.
The foaming agent is any one or a combination of several of iodotrifluoromethane, 1,1,1,3,3-pentafluoropropane (HFC-245fa), and 1,1,1,3,3-pentafluorobutane (HFC-365mfc), and preferably the HFC-245fa.
The catalyst is any one or a combination of several of 1,5,7-triazabicylo[4.4.0]clec-5-ene (TBD), 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), and 1,5-diazabicyclo[4.3.0]non-5-ene (DBN), preferably, the catalyst is a mixture of the TBD and the DBU; and further preferably, a mass ratio of the TBD to the DBU is 7: 3.
The chain extender is any one of 1,4-butylene glycol (BDO), 1,6-hexanediol, and glycerol, and preferably the BDO.
The cross-linking agent is any one or a combination of two of 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (TAW) and dicumyl peroxide, and preferably the TM P. The foam stabilizer is an organosilicon foam stabilizer AK-8805 In order to solve the above second technical problem, the present invention discloses a preparation method of the above polyurethane foaming material, which comprises the following steps of (1) adding a vegetable oil polyol, a catalyst, a surfactant, a chain extender, and a cross-linking agent into a reaction kettle according to a formula ratio, stirring at a rotating speed of 600 r/min to 800 r/min for 30 minutes to 40 minutes at 50°C to 60°C, and then adding half foaming agent to continuously stir for 20 minutes to 25 minutes; (2) adding an isocyanate and a foam stabilizer into the other reaction kettle according to a formula ratio, stirring at a rotating speed of 270 r/min to 350 r/min for 20 minutes to 30 minutes at 60°C to 70°C, and then adding the other half foaming agent to continuously stir for 15 minutes to 20 minutes; and (3) mixing the materials in step (1) and step (2) through a pipette tip, and injecting the same into a foaming target cavity for foaming to obtain the polyurethane foaming material, wherein a temperature of the foaming target cavity is 35°C to 40°C, and a flow rate of the pipette tip is 900g/s to 1,000 g/s.
Beneficial effects: compared with the prior art, the present invention has the following advantages.
(1) The present invention provides the polyurethane foaming material and the preparation method thereof, by controlling a mass ratio and a reaction condition of the vegetable oil polyol, the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer, and by using the compound of formula I as the surfactant, the present invention effectively makes foam pores be evenly distributed, thus reducing a thermal conductivity of the polyurethane foaming material, and improving a thermal insulation performance of the polyurethane foaming material, and can also reduce a density of the polyurethane foaming material, and improve an indentation strength, an elongation, and a tear strength of the polyurethane foaming material.
(2) The catalyst of the 1,5,7-triazabicylo[4.4.0]dec-5-ene (TBD), the 1,8-diazab cyclo[5.4.0]undec-7-ene (DBU), and the 1,5-diazabicyclo[4.3.0]non-5-ene (DBN) used in the present invention has a higher catalytic activity, with less use amount, and is more economical and environmentally friendly.
(3) The compound of formula I is used as the surfactant in the present invention, which has a high activity, can reduce a surface tension of a solution, forms a micelle, plays a role of solubilization, so that the materials are well miscible, and further improves a solubility of the materials and a uniformity of the combined materials; and moreover, after being placed for a long time, such as 6 months, delamination may not occur, and a good operability is achieved in different climates and temperatures in the south and north.
DETAILED DESCRIPTION
The present invention can be better understood according to the following embodiments. However, those skilled in the art will easily understand that the contents described in the embodiments are only used to illustrate the present invention, and should not and will not limit the present invention described in detail in the claims The dosage "part-of each raw material is "part by we ght" In the following embodiments, unless otherwise specified, the surfactant used is shown in formula I. HNitsf-K:12 A reaction path thereof is as follows:
COOH
N
NaOH NNARr=12 n=12 H20 Reaction conditions: 1. A reactant a (150 mmol, 21.9 g) and n-hexanol (100 mL) are added into a reaction bottle, reacted at a room temperature for 2 hours, and then filtered to obtain a product b.
2. A reactant b (100 mmol, 12.8 g), myristoyl chloride (150 mmol, 36.9 g), sodium bicarbonate (150 mmol, 15.75 g), water (100 mL), and dichloromethane (100 mL) are added into a reaction bottle, reacted at a room temperature for 6 hours, and then filtered to obtain a product c.
3. Water (100 mL), a reactant c (50 mmol, 12.7 g), and NaOH (100 mmol, 4.0 g) are added into a flask and stirred at 50°C for 8 hours, and then the solution is filtered while the solution was hot to remove insoluble impurities. A filtrate is cooled to a room temperature, and then the temperature was adjusted to a neutral pH. A product is precipitated from water, filtered, washed and dried to obtain a surfactant.
HRMS (ESI) for C20140N203, ir [M + H]t calcd 357.3072, found 357.3113;1H N1\' (300 MHz, Me0D) 6 4.31-4.18 (m, 1H, CHCOOH), J= 6.6 Hz, 2H, CH2NH2), 2.31- 2.10 (m, 2H, COCH2), 1.55-1.21 (m, 28H, CH2), 0.93 (dd,1=25.1, 7.0 Hz, 3H, CIL). 13C NMR (75 MHz, Me0D) 6 178.26 (s), 174.25 (s), 55.28 (s), 41.53 (s),36.48 (s), 32.93 (d, .1= 1.5 Hz), 32.01 (s), 29.53 (dd, 1= 18.5, 6.0Hz), 25.99 (s), 23.25 (d, J= 16.0 Hz), 22.65 (s), 13.37 (s).Elemental analysis for C201439N203Na, calcd 378.29, C% calcd 63.46, found 63.50, n-Hexyl alcohol Na2CO3 H20,DCM NH2 n=12 El% calcd 10.39, found 10.42, N% calcd 7.40, found 7.38.
Embodiment 1 1)108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 7 parts of TBD, 3 parts of DBN, 4 parts of surfactant, 1.5 parts of BDO, and 0.5 part of IMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAPI, 38.4 parts of MDI, and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of H1FC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 10: 4: 1.5: 0.5: 15.
Embodiment 2 1) 105 parts of vegetable oil polyol (derived from sesame oil) (with a hydroxyl value of 400 mgKOH/g), 7.5 parts of DBU, 7.5 parts of DBN, 6 parts of surfactant, 1 part of 1,6-hexanediol, and 2 part of dicumyl peroxide were transferred into a reaction kettle for stirring for 40 minutes, a stirring speed of the reaction kettle was 800 r/min, and a temperature in the reaction kettle was controlled to be 60°C. 27.5 parts of HFC-365mfc were added into the reaction kettle after stirring for 40 minutes, and continuously stirred for 25 minutes.
2) 50 parts of TDI, 50 parts of MDI, and 25 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 350 r/min, and a temperature in the reaction kettle was controlled to be 60°C. After stirring for 25 minutes, 27.5 parts of HFC-365mfc were added into the reaction kettle, and continuously stirred for 20 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 40°C, and a flow rate of the pipette tip was 900 Ws.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 105: 100: 55: 15: 6 1: 2:25, Embodiment 3 1) 110 parts of vegetable oil polyol (derived from peanut oil) (with a hydroxyl value of 420 mgKOH/g), 12 parts of TBD, 8 parts of DBU, 7 parts of surfactant, 2 part of glycerol, and 2 parts of TMP were transferred into a reaction kettle for stirring for 35 minutes, a stirring speed of the reaction kettle was 600 r/min, and a temperature in the reaction kettle was controlled to be 55°C. 27.5 parts of iodotrifluoromethane were added into the reaction kettle after stirring for 35 minutes, and continuously stirred for 23 minutes 2) 57 parts of MDI, 38 parts of carbodiimide-modified MDI, and 25 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 270 r/min, and a temperature in the reaction kettle was controlled to be 65°C. After stirring for 23 minutes, 27.5 parts of iodotritluoromethane were added into the reaction kettle, and continuously stirred for 17 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 38°C, and a flow rate of the pipette tip was 950 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 110: 95: 55: 20: 7: 2: 2: 25.
Embodiment 4 1) 105 parts of vegetable oil polyol (derived from cotton seed oil) (with a hydroxyl value of 480 mgKOH/g), 3 parts of TBD, 2 parts of DBN, 2 parts of surfactant, I part of BDO, and 0.5 part of TMP were transferred into a reaction kettle for stirring for 40 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 55°C. 22.5 parts of HFC-245fa were added into the reaction kettle after stirring for 40 minutes, and continuously stirred for 20 minutes.
2) 66.5 parts of TDI, 28.5 parts of PAPI, and 10 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 65°C. After stirring for 25 minutes, 22.5 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 39°C, and a flow rate of the pipette tip was 980 g/s A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 105: 95: 45: 5:2: 1: 0.5: 10.
Embodiment 5 1) 110 parts of vegetable oil polyol (derived from soybean oil) (with a hydroxyl value of 500 mgKOH/g), 3 parts of TBD, 7 parts of DBN, 5 parts of surfactant, 1.5 parts of BDO, and 0.5 part of TMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 800 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57 parts of TDI, 38 parts of MDI, and 20 parts of organosilicon foam stabilizer -8 -AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 350 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 110: 95: 50: 10: 5: 1.5: 0.5: 20.
Comparative Example 1: surfactant replaced by polymethylsiloxane 1) 108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 7 parts of TBD, 3 parts of DBN, 4 parts of polymethylsiloxane, 1.5 parts of BDO, and 0.5 part of TMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of ITFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAPI, 38.4 parts of MDI, and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of FIFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 10: 4: 1.5: 0.5: 15.
Comparative Example 2: surfactant replaced by disodium monolauryl sulfosuccinate 1) 108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 7 parts of TBD, 3 parts of DBN, 4 parts of disodium monolauryl sulfosuccinate, 1.5 parts of BDO, and 0.5 part of TMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAPI, 38.4 parts of NIDI, and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of FIFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 10: 4: 1.5: 0.5: 15.
Comparative Example 3: surfactant replaced by lauryl alcohol phosphate acid ester 1) 108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 7 parts of TBD, 3 parts of DBN, 4 parts of lauryl alcohol phosphate acid ester, 1.5 parts of BDO, and 0.5 part of TMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAPI, 38.4 parts of MDI, and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction -10 -kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 10: 4: 1.5: 0.5: 15, Comparative Example 4: surfactant replaced by polysorbate 1) 108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 7 parts of TBD, 3 parts of DBN, 4 parts of polysorbate, 1.5 parts of BDO, and 0.5 part of TMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAP!, 38.4 parts of MDT and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of FIFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 10: 4: 1.5: 0.5: 15.
Comparative Example 5: 1) 108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 15 parts of TBD, 4 parts of surfactant, 1.5 parts of BDO, and 0.5 part of IMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAPI, 38.4 parts of MDI, and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 15: 4: 1.5: 0.5: 15.
Comparative Example 6: 1) 108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 13 parts of DBN, 4 parts of surfactant, 1.5 parts of BDO, and 0.5 part of IMP were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAN, 38.4 parts of MDI, and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled -12 -to be 70°C. After stirring for 20 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 13: 4: 1.5: 0.5: 15.
Comparative Example 7: 1) 108 parts of vegetable oil polyol (derived from soybean oil) with a hydroxyl value of 450 mgKOH/g, 18 parts of DBN, 4 parts of surfactant, 1.5 parts of BDO, and 0.5 part of TNT were transferred into a reaction kettle to stir for 30 minutes, a stirring speed of the reaction kettle was 700 r/min, and a temperature in the reaction kettle was controlled to be 50°C. After stirring for 30 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 20 minutes.
2) 57.6 parts of PAPI, 38.4 parts of NIDI, and 15 parts of organosilicon foam stabilizer AK-8805 were added into the other reaction kettle for mixing, a stirring speed of the reaction kettle was controlled to be 300 r/min, and a temperature in the reaction kettle was controlled to be 70°C. After stirring for 20 minutes, 25 parts of HFC-245fa were added into the reaction kettle, and continuously stirred for 15 minutes.
3) The materials in step (1) and step (2) were mixed through a pipette tip, and injected into a foaming target cavity for foaming to obtain the polyurethane foaming material, a temperature of the foaming target cavity was 35°C, and a flow rate of the pipette tip was 1000 g/s.
A mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer was 108: 96: 50: 18: 4: 1.5: 0.5: 15.
During preparation of the above polyurethane foaming material, the materials prepared -13-in the embodiment could be well miscible, with a good uniformity. However, in Comparative Examples 1 to 4, when other surfactants were used, the materials had a poor intenniscibility during preparation, and delamination might occur after about 24 hours.
A density of foam plastic was determined according to GB/T 6343-2009, an indentation strength of the foam plastic was determined according to GB/T 20467-2006; an elongation of the foam plastic was determined according to GB/T 6344-2008, a tear strength of foam was determined according to GB/T 10808-2006; and a thermal conductivity of the foam was determined according to GB/T 10295-2008.
Table 1 shows performance indexes of the polyurethane foaming material obtained by combination according to the embodiments of the present invention. Compared with the polyurethane foaming material in the prior art, the polyurethane foaming material of the present invention has a lower thermal conductivity, and is more suitable for thermal insulation materials in thermal insulation fields such as refrigerators, solar energy, heat pipes, buildings, cold chains, and the like.
Table 1 Performance indexes of polyurethane foaming material Test item Embodiment Comparison I 2 3 4 c I 2 3 4 c 6 Density (kg/ml) 59 63 67 62 70 71 73 75 72 61 68 65 Indentation 214 195 205 210 199 175 176 178 171 183 192 180 strength (N) Elongation (%) 100 95 97 105 103 81 84 80 86 90 96 89 Tear strength 443 375 350 297 310 301 312 305 314 323 347 316 (N/m) Thermal 18.2 18.9 19.5 20.3 19.2 21.1 20.9 20.7 21.3 20.6 19.1 19.7 conductivity pnW/En.k)) The present invention provides an idea and a method for a polyurethane foaming 20 material and a preparation method thereof, with many methods and ways to realize the technical solution specifically. Those described above are merely the preferred embodiments -14 -of the present invention. It should be pointed out that those of ordinary skills in the art may further make improvements and decorations without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the scope of protection of the present invention. All unspecified components in the embodiments
can be implemented in the prior art.
-15 -
Claims (4)
- CLAMS1. A polyurethane foaming material prepared from raw materials comprising a vegetable oil polyol, an isocyanate, a foaming agent, a catalyst, a surfactant, a chain extender, a cross-linking agent, and a foam stabilizer, wherein the surfactant is a compound of formula I, FIN n12 I.
- 2. The polyurethane foaming material according to claim 1, wherein a mass ratio of the vegetable oil polyol to the isocyanate, the foaming agent, the catalyst, the surfactant, the chain extender, the cross-linking agent, and the foam stabilizer is 105 to 110: 95 to 100: 45 to 55: 5 to 20:2 to 7: Ito 2: 0.5 to 2: 10 to 25.
- 3. The polyurethane foaming material according to claim 1, wherein a hydroxyl value of the vegetable oil polyol is 400 mg KOH/g to 500 mg KOH/g.4. The polyurethane foaming material according to claim 1, wherein the isocyanate is a mixture of at least two of toluene diisocyanate, methylenediphenyl diisocyanate, polyaryl polymethylene isocyanate, and carbodiimide-modified methylenediphenyl diisocyanate.5. The polyurethane foaming material according to claim 1, wherein the foaming agent is any one or a combination of several of iodotrifluoromethane, 1,1,1,3,3-pentafluoropropane, and 1,1,1,3,3-pentafluorobutane. 6. The polyurethane foaming material according to claim 1, 20 wherein the catalyst is any one or a combination of several of 1,5,7-triazabicylo[4.4.0]dec-5-ene, 1,8-di azabi cycl o [5.
- 4. O]un dec-7-ene, and 1,5-diazabicycl o[4.3.0] non-5-ene.7. The polyurethane foaming material according to claim 1, wherein the chain extender is any one or a combination of several of 1,4-butylene glycol, 1,6-hexanediol, and glycerol.8. The polyurethane foaming material according to claim 1, wherein the cross-linking agent is any one or a combination of two of 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and dicumyl peroxide.-16 - 9. The polyurethane foaming material according to claim 1, wherein the foam stabilizer is an organosilicon foam stabilizer.10. A preparation method of the polyurethane foaming material according to any one of claims 1 to 9, comprising the following steps of: (1) adding a vegetable oil polyol, a catalyst, a surfactant, a chain extender, and a cross-linking agent into a reaction kettle according to a formula ratio, stirring at a rotating speed of 600 r/min to 800 r/min for 30 minutes to 40 minutes at 50°C to 60°C, and then adding half foaming agent to continuously stir for 20 minutes to 25 minutes; (2) adding an isocyanate and a foam stabilizer into the other reaction kettle according to a formula ratio, stirring at a rotating speed of 270 r/min to 350 r/min for 20 minutes to 30 minutes at 60°C to 70°C, and then adding the other half foaming agent to continuously stir for 15 minutes to 20 minutes; and (3) mixing the materials in step (1) and step (2) through a pipette tip, and injecting the same into a foaming target cavity for foaming to obtain the polyurethane foaming material.
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| FR2923835B1 (en) * | 2007-11-20 | 2009-12-11 | Rhodia Operations | NOVEL HYDROPHILIC POLYISOCYANATE COMPOSITIONS BASED ON PHOSPHATE ESTERS. |
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| US20060270747A1 (en) * | 2005-05-05 | 2006-11-30 | William Griggs | Prime foam containing vegetable oil polyol |
| EP1842866A1 (en) * | 2006-04-05 | 2007-10-10 | Bayer MaterialScience LLC | Flexible polyurethane foams made from vegetable oil alkoxylated via dmc-catalysis |
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