CN109456588A - Solar water heater polyurethane foam plastics and its application - Google Patents

Solar water heater polyurethane foam plastics and its application Download PDF

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Publication number
CN109456588A
CN109456588A CN201811352544.9A CN201811352544A CN109456588A CN 109456588 A CN109456588 A CN 109456588A CN 201811352544 A CN201811352544 A CN 201811352544A CN 109456588 A CN109456588 A CN 109456588A
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China
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parts
polyurethane foam
temperature
water heater
solar water
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陆志鹏
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Anhui Zhaotuo New Energy Technology Co Ltd
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Anhui Zhaotuo New Energy Technology Co Ltd
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Priority to CN201811352544.9A priority Critical patent/CN109456588A/en
Publication of CN109456588A publication Critical patent/CN109456588A/en
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    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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    • C08G18/40—High-molecular-weight compounds
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    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
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    • C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
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    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
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    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
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    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
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Abstract

The invention discloses a kind of solar water heater polyurethane foam plastics and its applications, it is related to foam technology field, including following raw material: combination polyalcohol, combination isocyanates, polyethersulfone resin super fine, bryozoatum powder, seaweed Carbon fibe, dipropylene glycol, MPS lotion, pearlife, Aerosol OT, butanone, trihydroxy methyl phosphorous oxide, foaming agent, coupling agent, cross-linking aid, catalyst.Foamed plastics of the invention has excellent mechanical strength, thermal insulation property, hydrophobicity and dimensional stability, and application is good, long service life, wide market.

Description

Solar water heater polyurethane foam plastics and its application
Technical field
The present invention relates to foam technology fields, and in particular to solar water heater polyurethane foam plastics and its answers With.
Background technique
Polyurethane foam plastics is that isocyanates and the aggregated foaming of hydroxy compounds are made, and can be divided by its hardness soft With two class of hard.Known in the art, polyurethane rigid foam plastic is widely used in the fields such as water heater, refrigerator, pipeline and building It closes, plays heat-insulation and heat-preservation resistance sound, and polyurethane rigid foam plastic is by polyurethane rigid foam combination material and isocyanic acid Ester reaction is obtained, and people are also accustomed to for polyurethane rigid foam plastic being known as polyurethane foam plastics or Polymer Synthesizing material Material.Maximum shortcoming present in rigid foam in prior art is that average core density is high, in 35~40Kg/m3, and put down Equal core density height can cause the deficiency of following three aspects in turn: first is that causing the raw material such as polyurethane for producing foamed plastics The consumption of rigid foam combination material and isocyanates is big, not only unreasonably causes wastage of material, but also leads to the nothing of cost To increase；Second is that average core density height can generate thermal coefficient height, to make the poor thermal insulation property of the foams after foaming, electric energy Waste is serious；Third is that since average core density is high, the problem for causing demoulding time long when producing to foam article influences Production efficiency makes production capacity be restricted.
The patent application of Publication No. CN105524246A discloses a kind of halogen-free flameproof bio-based polyurethane rigid foam Plastics and preparation method thereof, polyurethane rigid foam plastic formula each component by weight are as follows: fry starch of konjak polyalcohol 100 Part, 1~6 part of the modified graphene of hyperbranched silicone containing P-N, 100~180 parts of polyisocyanates, 5~30 parts of water, foam is stablized 1~5 part of agent, 0.1~3 part of amines catalyst, 0.1~3 part of tin catalyst.This kind of foamed plastics has good flame retardant property And mechanical strength, but its water vapor permeation coefficient is higher, applied to being difficult to meet the requirements in solar water heater.
The patent application of Publication No. CN102617821A discloses a kind of using rice husk as the polyurethane foam plastics of raw material And preparation method thereof, the foam recipe includes: 100~190 parts of rice husk, 100~150 parts of isocyanates, chain extension-crosslinking 0.5~5 part of agent, 2~5 parts of foam stabiliser, 0.01~3 part of catalyst, 0~10 part of foaming agent.The preparation of the foamed plastics Method comprising steps of by powdered rice hulls first with polyethylene glycol, ethylene glycol and glycerine rice hull liquification object is made, add chain extension-crosslinking Agent, catalyst, foam stabiliser, isocyanates carry out die casting after mixing, seal, and curing, cooling and demolding obtains It is required.The present invention prepares polyurethane foam plastics with rice husk, improves the utilization rate of rice husk, reduces the production of polyurethane foam Cost；This kind of polyurethane foam plastics has preferable buffering energy-absorbing performance and a thermal and insulating performance, but its compressive strength compared with Difference, applied to being difficult to meet the requirements in solar water heater.
Summary of the invention
The purpose of the present invention is to provide a kind of solar water heater polyurethane foam plastics and its application, this kind of foams Plastics high comprehensive performance, application are good.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
Solar water heater polyurethane foam plastics is made of following raw material according to parts by weight:
82 parts of polyalcohol of combination；
87 parts of isocyanates of combination；
8 parts of polyethersulfone resin super fine；
7 parts of bryozoatum powder；
5 parts of seaweed Carbon fibe；
3 parts of dipropylene glycol；
1 part of MPS lotion；
10 parts of pearlife；
0.9 part of Aerosol OT；
2 parts of butanone；
1.5 parts of trihydroxy methyl phosphorous oxide；
1 part of foaming agent；
0.6 part of coupling agent；
0.8 part of crosslinking agent；
0.3 part of catalyst；
Said combination polyalcohol is aromatic polyester polyol, polytetrahydrofuran polyol, three kinds of active polyether polyalcohol Ingredient merges according to mass ratio 3:2:3；
Said combination isocyanates is isophorone diisocyanate, norboneol alkyl dimethyl isocyanates, 4,4'- bis- Three kinds of ingredients of phenylmethane diisocyanate merge according to mass ratio 1:1:6.
Preferably, above-mentioned foaming agent be pentamethylene, 1- chloro-3,3,3 ,-trifluoropropene, three kinds of HFA 134a at The composition divided；Coupling agent is the composition of rare-earth coupling agent, aluminum-zirconium bimetallic two kinds of ingredients of coupling agent.
Further, above-mentioned bryozoatum powder preparation method are as follows: take bryozoatum to smash and grind to 60 mesh, being placed in temperature is 90 DEG C hot water in, impregnate collaboration ultrasonic treatment 24min, filtering drying later is then added to the quality point that volume ratio is 1:1 Number is 10% hydrochloric acid and mass fraction is to impregnate collaboration ultrasonic treatment 15min, ultrasonic treatment in the mixed acid solution of 7% sulfuric acid The frequency of middle ultrasonic wave is 25KHz, sound intensity 0.25W/cm2, filter, washing roasts under the conditions of temperature is 280 DEG C after drying 10min, after cooling to obtain the final product.
Further, above-mentioned seaweed Carbon fibe preparation method are as follows: take seaweed Carbon fibe cleaning, drying, be chopped to 100 μ of length M, it is added in the sodium hydroxide solution that temperature is 43 DEG C, mass fraction is 11%, soaks after 500 μm, 1000 μm and 1500 μm Bubble collaboration is ultrasonically treated 32min, and the frequency of ultrasonic wave is 25KHz, sound intensity 0.25W/cm in ultrasonic treatment2, it filters, washing, Drying is placed in steam blasting tank, under the conditions of vapor (steam) temperature is 105 DEG C, pressure is 0.4MPa at heat-insulation pressure keeping steam blasting Manage 7min to obtain the final product.
Further, above-mentioned foaming agent is pentamethylene, 1- chloro-3,3,3 ,-trifluoropropene, three kinds of HFA 134a Ingredient merges according to mass ratio 4:1:2.
Further, above-mentioned coupling agent is two kinds of rare-earth coupling agent, aluminum-zirconium bimetallic coupling agent ingredients according to mass ratio 2: What 3 merging obtained.
Further, above-mentioned crosslinking agent is two kinds of crosslinking aid S aC-100, crosslinking agent XL-706 ingredients according to mass ratio 5:4 What merging obtained.
Further, above-mentioned catalyst be dibutyl tin dilaurate, trimethyl hydroxyethylammonium ethylenediamine, three kinds of iron chloride at Point merge according to mass ratio 6:2:1.
Further, above-mentioned foamed plastics the preparation method comprises the following steps: step 1: take pearlife to be milled to 80 μm, be then added to body Product is 20% nitric acid than the mass fraction for being 1:1 and mass fraction is to impregnate collaboration ultrasound in the mixed acid solution of 25% sulfuric acid 10min is handled, the frequency of ultrasonic wave is 35KHz, sound intensity 0.35W/cm2, filter, clean, obtain material A after drying；Step 2: After taking butanone and the material A mixing of 1/2 weight, 46 DEG C are warming up to, combination isocyanates is added and is mixed sufficiently, filter, Washing, is dried in vacuo to obtain material B；Step 3: it takes combination polyalcohol, material B to be placed in reaction vessel and mixes sufficiently, heat temperature raising Keep the temperature 4min after to 44 DEG C, later under agitation, sequentially add dipropylene glycol, bryozoatum powder, seaweed Carbon fibe, Coupling agent, polyethersulfone resin super fine stir evenly, and 8min is kept the temperature after being heated to 52 DEG C, then adds surplus Butanone, MPS lotion, Aerosol OT, trihydroxy methyl phosphorous oxide, foaming agent, cross-linking aid and catalyst, first 8min is mixed under conditions of temperature is 40 DEG C, speed of agitator is 1000r/min, reheats be warming up to 45 DEG C later, protects Temperature adjusts pH value to 6.5, water the mixing 12min, speed of agitator 300r/ for being equivalent to weight of material 3.5% is then added Min obtains material C；Step 4: material C being poured into mold, insulation reaction 15min at being first 40 DEG C in temperature, then in temperature It is insulation reaction 8min at 52 DEG C, cross-linking curing 26h at being finally 38 DEG C in temperature.
Further, above-mentioned solar water heater polyurethane foam plastics building thermal insulation material, industrial equipment heat preservation, It can be applied in Food Freezing and Cold Storage equipment and heat-insulating material field.
The present invention is with following the utility model has the advantages that the present invention passes through to polyurethane foam plastics raw materials for production and preparation method Exploration and improvement, using combine polyalcohol and combination isocyanates as base-material, select bryozoatum powder, seaweed Carbon fibe, pearly-lustre Emery dust material is filler addition, compatibility polyethersulfone resin super fine, MPS lotion, trihydroxy methyl phosphorous oxide and outer adding assistant etc. The cooperative interaction of ingredient, so that final polyurethane foam plastics obtained has following characteristics:
(1) there are a large amount of closed pores, closely knit, uniform fine foam structure, firm stable improves significantly in plastic products The thermal insulation property and waterproof impervious characteristic of product；
(2) light, degradable, Weatherproof ageing-resistant, flame retardant rating is high, and corrosion resistance is strong, long service life, can save Electric energy, low-carbon environment-friendly, application field is extensive, can especially meet high-grade solar water heater to high performance polyurethane foamed plastics Demand；
(3) by the reasonably modified, activation act to bryozoatum powder, seaweed Carbon fibe and pearlife material, make it Table can significantly reduce, and improve its bridging property and dispersibility with other storerooms, combination polyalcohol, combination isocyanates and its After mentioned component is added in its material, the mechanical property, thermal insulation property and dimensional stability of product can be improved significantly.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
It all raw materials in embodiment and its produces composition and can be obtained by disclosed commercially available channel；
Embodiment 1
The present embodiment is related to a kind of solar water heater polyurethane foam plastics, this kind of foamed plastics by it is following by weight The raw material of number meter forms:
82 parts of polyalcohol of combination；
87 parts of isocyanates of combination；
8 parts of polyethersulfone resin super fine；
7 parts of bryozoatum powder；
5 parts of seaweed Carbon fibe；
3 parts of dipropylene glycol；
1 part of MPS lotion；
10 parts of pearlife；
0.9 part of Aerosol OT；
2 parts of butanone；
1.5 parts of trihydroxy methyl phosphorous oxide；
1 part of foaming agent；
0.6 part of coupling agent；
0.8 part of crosslinking agent；
0.3 part of catalyst.
It the selection of part material and is produced as shown in table 1 below in the present embodiment:
Table 1
The preparation method of foamed plastics substantially follows the steps below in the present embodiment:
Step 1: taking pearlife to be milled to 80 μm, being then added to the mass fraction that volume ratio is 1:1 is 20% nitric acid and matter It measures in the mixed acid solution that score is 25% sulfuric acid, impregnates collaboration ultrasonic treatment 10min, the frequency of ultrasonic wave is 35KHz, the sound intensity For 0.35W/cm2, filter, clean, obtain material A after drying；
Step 2: after taking butanone and the material A mixing of 1/2 weight, being warming up to 46 DEG C, add combination isocyanates mixing Stirring sufficiently, filters, and washing is dried in vacuo to obtain material B；
Step 3: taking combination polyalcohol, material B to be placed in reaction vessel and mix sufficiently, kept the temperature after being heated to 44 DEG C 4min sequentially adds dipropylene glycol, bryozoatum powder, seaweed Carbon fibe, coupling agent, polyethers later under agitation Sulphone resin super fine stirs evenly, and 8min is kept the temperature after being heated to 52 DEG C, then adds butanone, the MPS cream of surplus Liquid, Aerosol OT, trihydroxy methyl phosphorous oxide, foaming agent, cross-linking aid and catalyst are first 40 in temperature DEG C, speed of agitator 8min is mixed under conditions of being 1000r/min, reheat be warming up to 45 DEG C later, heat preservation adjusts pH value To 6.5,12min is mixed in the water that then addition is equivalent to weight of material 3.5%, and speed of agitator 300r/min obtains material C；
Step 4: material C is poured into mold, first temperature be 40 DEG C at insulation reaction 15min, then temperature be 52 Insulation reaction 8min at DEG C, cross-linking curing 26h at being finally 38 DEG C in temperature.
Embodiment 2
The present embodiment is related to a kind of solar water heater polyurethane foam plastics, this kind of foamed plastics by it is following by weight The raw material of number meter forms:
88 parts of polyalcohol of combination；
94 parts of isocyanates of combination；
9 parts of polyethersulfone resin super fine；
9 parts of bryozoatum powder；
6 parts of seaweed Carbon fibe；
4 parts of dipropylene glycol；
1.5 parts of MPS lotion；
13 parts of pearlife；
1.1 parts of Aerosol OT；
3 parts of butanone；
2 parts of trihydroxy methyl phosphorous oxide；
1.2 parts of foaming agent；
0.8 part of coupling agent；
1 part of cross-linking aid；
0.75 part of catalyst.
It the selection of part material and is produced as shown in table 2 below in the present embodiment:
Table 2
The preparation method of foamed plastics substantially follows the steps below in the present embodiment:
Step 1: taking pearlife to be milled to 100 μm, being then added to the mass fraction that volume ratio is 1:1 is 20% nitric acid and matter It measures in the mixed acid solution that score is 25% sulfuric acid, impregnates collaboration ultrasonic treatment 12.5min, the frequency of ultrasonic wave is 30KHz, sound It is by force 0.3W/cm2, filter, clean, obtain material A after drying；
Step 2: after taking butanone and the material A mixing of 1/2 weight, being warming up to 47 DEG C, add combination isocyanates mixing Stirring sufficiently, filters, and washing is dried in vacuo to obtain material B；
Step 3: taking combination polyalcohol, material B to be placed in reaction vessel and mix sufficiently, kept the temperature after being heated to 46 DEG C 3.5min sequentially adds dipropylene glycol, bryozoatum powder, seaweed Carbon fibe, coupling agent, gathers later under agitation Ether sulfone resin super fine stirs evenly, and 7min is kept the temperature after being heated to 54 DEG C, then adds butanone, the MPS of surplus Lotion, Aerosol OT, trihydroxy methyl phosphorous oxide, foaming agent, cross-linking aid and catalyst are first in temperature 42 DEG C, speed of agitator 7min is mixed under conditions of being 1200r/min, reheat be warming up to 47 DEG C later, heat preservation adjusts pH Value is to 7.0, and 11min is mixed in the water that then addition is equivalent to weight of material 4%, and speed of agitator 350r/min obtains material C；
Step 4: material C being poured into mold, insulation reaction 12.5min at being first 41 DEG C in temperature, then be in temperature Insulation reaction 7min at 54 DEG C, cross-linking curing 25h at being finally 39 DEG C in temperature.
Embodiment 3
The present embodiment is related to a kind of solar water heater polyurethane foam plastics, this kind of foamed plastics by it is following by weight The raw material of number meter forms:
94 parts of polyalcohol of combination；
101 parts of isocyanates of combination；
10 parts of polyethersulfone resin super fine；
11 parts of bryozoatum powder；
7 parts of seaweed Carbon fibe；
5 parts of dipropylene glycol；
2 parts of MPS lotion；
15 parts of pearlife；
1.3 parts of Aerosol OT；
3.5 parts of butanone；
2.5 parts of trihydroxy methyl phosphorous oxide；
1.5 parts of foaming agent；
1 part of coupling agent；
1.2 parts of crosslinking agent；
1.2 parts of catalyst.
It the selection of part material and is produced as shown in table 3 below in the present embodiment:
Table 3
The preparation method of foamed plastics substantially follows the steps below in the present embodiment:
Step 1: taking pearlife to be milled to 120 μm, being then added to the mass fraction that volume ratio is 1:1 is 20% nitric acid and matter It measures in the mixed acid solution that score is 25% sulfuric acid, impregnates collaboration ultrasonic treatment 15min, the frequency of ultrasonic wave is 25KHz, the sound intensity For 0.25W/cm2, filter, clean, obtain material A after drying；
Step 2: after taking butanone and the material A mixing of 1/2 weight, being warming up to 48 DEG C, add combination isocyanates mixing Stirring sufficiently, filters, and washing is dried in vacuo to obtain material B；
Step 3: taking combination polyalcohol, material B to be placed in reaction vessel and mix sufficiently, kept the temperature after being heated to 48 DEG C 3min sequentially adds dipropylene glycol, bryozoatum powder, seaweed Carbon fibe, coupling agent, polyethers later under agitation Sulphone resin super fine stirs evenly, and 6min is kept the temperature after being heated to 56 DEG C, then adds butanone, the MPS cream of surplus Liquid, Aerosol OT, trihydroxy methyl phosphorous oxide, foaming agent, cross-linking aid and catalyst are first 45 in temperature DEG C, speed of agitator 6min is mixed under conditions of being 1500r/min, reheat be warming up to 49 DEG C later, heat preservation adjusts pH value To 7.5,10min is mixed in the water that then addition is equivalent to weight of material 4.5%, and speed of agitator 400r/min obtains material C；
Step 4: material C is poured into mold, first temperature be 42 DEG C at insulation reaction 10min, then temperature be 56 Insulation reaction 6min at DEG C, finally temperature be 40 DEG C at cross-linking curing for 24 hours.
Comparative example group
"-" indicates that the reduction of certain ingredient in embodiment 1-3 uses in the following table 4；
Table 4
Comparative example 7
This comparative example is related to a kind of polyurethane foam plastics, and relative to above-described embodiment 1, there is only combination polyalcohol institutes Difference containing ingredient；
This comparative example combines polyol component mass ratio are as follows: aromatic polyester polyol: active polyether polyalcohol=1:1.
Comparative example 8
This comparative example is related to a kind of polyurethane foam plastics, and relative to above-described embodiment 2, there is only combination isocyanates The difference of composition quality ratio；
This comparative example combines isocyanate prepolymer composition mass ratio are as follows: isophorone diisocyanate: norboneol alkyl dimethyl Isocyanates: 4,4'- three kinds of '-diphenylmethane diisocyanate ingredients are according to mass ratio 1:1:3.
Comparative example 9
This comparative example is related to a kind of polyurethane foam plastics, and relative to above-described embodiment 3, there is only blowing agent component matter Measure the difference of ratio；
This comparative example blowing agent component mass ratio are as follows: pentamethylene: the chloro- 3,3,3- trifluoro propene of 1-: 1,1,1,2- tetrafluoro second Alkane=1:1:1.
Comparative example 10
This comparative example is related to a kind of polyurethane foam plastics, relative to above-described embodiment 4, there is only contained by coupling agent at The difference divided；
This comparative example coupling agent are as follows: rare-earth coupling agent list composition.
Comparative example 11
This comparative example is related to a kind of polyurethane foam plastics, relative to above-described embodiment 5, there is only contained by crosslinking agent at The difference divided；
This comparative example crosslinking agent are as follows: the mono- composition of crosslinking aid S aC-100.
Comparative example 12
This comparative example is related to a kind of polyurethane foam plastics, and relative to above-described embodiment 6, there is only catalyst component matter Measure the difference of ratio；
This comparative example catalyst component mass ratio are as follows: dibutyl tin dilaurate: trimethyl hydroxyethylammonium ethylenediamine: iron chloride =2:1:1.
Comparative example 13
This comparative example is related to a kind of polyurethane foam plastics, and relative to above-described embodiment 2, there is only the systems of foamed plastics Preparation Method is different；
This comparative example foam plastics the preparation method is as follows:
Step 1: with embodiment 2；
Step 2: material A that step 1 obtains and other all raw materials being added in reaction vessel jointly, are mixed Uniformly sufficiently, material C is obtained；
Step 4: material C being poured into mold, insulation reaction 12.5min at being first 41 DEG C in temperature, then be in temperature Insulation reaction 7min at 54 DEG C, cross-linking curing 25h at being finally 39 DEG C in temperature.
Comparative example 14
It is a kind of using rice husk as the polyurethane foam plastics of raw material, the foam recipe include: 100~190 parts of rice husk, 100~150 parts of isocyanates, 0.5~5 part of chain extension-crosslinking agent, 2~5 parts of foam stabiliser, 0.01~3 part of catalyst, foaming agent 0~10 part.
Performance detection
For the beneficial effect for verifying the present invention, the polyurethane foam plastics in above-described embodiment 1-3 and comparative example 1-14 is taken Test product, (the test product plastics of embodiment 1-3 are indicated using #1-#3 in table 5, comparative example 1- for the performance project detection of progress such as the following table 5 14 test product plastics are indicated using &1-&14).
One, be adjusted to trystate: sample first carries out not under conditions of temperature (23 ± 2) DEG C, relative humidity 50% ± 5% Status adjustment less than 48h.Test is carried out by 23/50 second level environmental condition in GB/T 2918-1998.
Two, the detection method of pilot project
Thermal coefficient: thermal coefficient test and arbitration are carried out by GB/T 10294-2008；Testing hot plate temperature is 35 DEG C, Cold plate temperature is 10 DEG C, and sample thickness should reach (25 ± 1) mm.
Compressive strength or the compression stress of deformation 10%: compressive strength test is carried out by GB/T 8813-2008.Sample takes The core sample of test specimen, determination limit surrender or compression stress when 10% deformation, any situation first occur, which as a result takes The stress of kind situation.The direction for applying load should be perpendicular to foam rise direction.Field sampling is preferentially used when arbitration.
Dimensional stability: it is carried out by GB/T 8,811 1 2008.Specimen size (l00 ± l) mm × (100 ± l) mm × (25 ± 0.5) mm, each experimental condition sample quantities 3.High temperature dimensional stability experimental condition is temperature (100 ± 3) DEG C, time 48h；Low-Temperature Size stability conditions be temperature (30 ± 3) DEG C, time for 24 hours；
Apparent core density: performance core density test is carried out by GB/T 6343-2009.
Rate of closed hole: rate of closed hole test is carried out by GB/T 10799-2008.
Water absorption rate: the moisture content test is carried out by GB/T 8810-2005.
Water vapor permeation coefficient: the test of vapor transmission coefficient is carried out by GB/T 21332-2008.Core sample thickness (25 ± 3) mm is measured under (38 ± 1) DEG C and 0~(88% ± 2%) relative humidity gradient.
Table 5
By upper table 5 it follows that polyurethane foam plastics of the invention is to have in raw materials for production selection and preparation method Exquisite, component, content and the preparation method of foamed plastics are that scheme solves current polyurethane material as a whole Deficiency in performance in all respects, the data analysis from above-mentioned table it is not difficult to find out that, collaboration between material composition interact so that Foamed plastics of the invention mechanical strength, thermal insulation property, hydrophobicity, in terms of promoted significant, substantially increase this The application field and prospect of inventive foam plastics, can satisfy at present and in the future market to the high heat insulating polyurethane foam of high-performance The urgent need of plastics pushes social development.
Due to the requirement of the mentality of designing and goal of the invention of polyurethane foam plastics of the present invention, component selection of the invention and Content selection right and wrong are it will be apparent that those skilled in the art combine the prior art that can readily occur in absolutely not.This is in the present invention There is further embodiment in the preparation method of foamed plastics, it can be seen that, the present invention is in preparation side in conjunction with the embodiment of the present invention Raw material is added using gradation in batches in method, rather than is that the prior art is conventional and is added at one time (such as comparative example 13), this work Skill is adapted with the special proportion of foam production raw material components of the present invention, is only used this technique, could be ensured Excellent characteristics possessed by the polyurethane material finally prepared.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. solar water heater polyurethane foam plastics, which is characterized in that be made of following raw material according to parts by weight:
82 parts of polyalcohol of combination；
87 parts of isocyanates of combination；
8 parts of polyethersulfone resin super fine；
7 parts of bryozoatum powder；
5 parts of seaweed Carbon fibe；
3 parts of dipropylene glycol；
1 part of MPS lotion；
10 parts of pearlife；
0.9 part of Aerosol OT；
2 parts of butanone；
1.5 parts of trihydroxy methyl phosphorous oxide；
1 part of foaming agent；
0.6 part of coupling agent；
0.8 part of crosslinking agent；
0.3 part of catalyst；
The combination polyalcohol is aromatic polyester polyol, three kinds of polytetrahydrofuran polyol, active polyether polyalcohol ingredients Merge according to mass ratio 3:2:3；
The combination isocyanates is isophorone diisocyanate, norboneol alkyl dimethyl isocyanates, 4,4'- hexichol first Three kinds of ingredients of alkane diisocyanate merge according to mass ratio 1:1:6.
2. solar water heater polyurethane foam plastics according to claim 1, which is characterized in that the foaming agent is The composition of three kinds of chloro- 3,3,3- trifluoro propene of pentamethylene, 1-, 1,1,1,2- tetrafluoroethane ingredients；The coupling agent is rare earth The composition of coupling agent, aluminum-zirconium bimetallic two kinds of ingredients of coupling agent.
3. solar water heater polyurethane foam plastics according to claim 1, which is characterized in that the bryozoatum powder Expect preparation method are as follows: take bryozoatum to smash and grind to 60 mesh, be placed in hot water at a temperature of 90 °C, impregnate collaboration ultrasonic treatment 24min, later filtering drying are then added to that the mass fraction that volume ratio is 1:1 is 10% hydrochloric acid and mass fraction is 7% In the mixed acid solution of sulfuric acid, collaboration ultrasonic treatment 15min is impregnated, the frequency of ultrasonic wave is 25KHz in ultrasonic treatment, and the sound intensity is 0.25W/cm2, filter, washing, roast 10min after drying under the conditions of temperature is 280 DEG C, after cooling to obtain the final product.
4. solar water heater polyurethane foam plastics according to claim 3, which is characterized in that the seaweed Carbon fiber Tie up preparation method are as follows: take seaweed Carbon fibe cleaning, drying, be chopped to after 100 μm, 500 μm, 1000 μm and 1500 μm of length plus Enter into the sodium hydroxide solution that temperature is 43 DEG C, mass fraction is 11%, impregnates collaboration ultrasonic treatment 32min, ultrasonic treatment The frequency of middle ultrasonic wave is 25KHz, sound intensity 0.25W/cm2, filter, washing, drying is placed in steam blasting tank, in steam Heat-insulation pressure keeping Steam explosion treatment 7min under the conditions of temperature is 105 DEG C, pressure is 0.4MPa to obtain the final product.
5. solar water heater polyurethane foam plastics according to claim 4, which is characterized in that the foaming agent is Three kinds of chloro- 3,3,3- trifluoro propene of pentamethylene, 1-, 1,1,1,2- tetrafluoroethane ingredients merge according to mass ratio 4:1:2.
6. solar water heater polyurethane foam plastics according to claim 5, which is characterized in that the coupling agent is Two kinds of rare-earth coupling agent, aluminum-zirconium bimetallic coupling agent ingredients merge according to mass ratio 2:3.
7. solar water heater polyurethane foam plastics according to claim 6, which is characterized in that the crosslinking agent is Two kinds of crosslinking aid S aC-100, crosslinking agent XL-706 ingredients merge according to mass ratio 5:4.
8. solar water heater polyurethane foam plastics according to claim 7, which is characterized in that the catalyst is Three kinds of dibutyl tin dilaurate, trimethyl hydroxyethylammonium ethylenediamine, iron chloride ingredients merge according to mass ratio 6:2:1.
9. solar water heater polyurethane foam plastics according to claim 8, which is characterized in that the foamed plastics The preparation method comprises the following steps: step 1: take pearlife to be milled to 80 μm, being then added to the mass fraction that volume ratio is 1:1 is 20% nitric acid It is to impregnate collaboration ultrasonic treatment 10min in the mixed acid solution of 25% sulfuric acid with mass fraction, the frequency of ultrasonic wave is 35KHz, The sound intensity is 0.35W/cm2, filter, clean, obtain material A after drying；Step 2: after taking butanone and the material A mixing of 1/2 weight, rising Temperature adds combination isocyanates and is mixed sufficiently, filter, washing is dried in vacuo to obtain material B to 46 DEG C；Step 3: taking group Close polyalcohol, material B is placed in mixing in reaction vessel and sufficiently, 4min is kept the temperature after being heated to 44 DEG C, later in stirring condition Under, sequentially add dipropylene glycol, bryozoatum powder, seaweed Carbon fibe, coupling agent, the stirring of polyethersulfone resin super fine It is even, 8min is kept the temperature after being heated to 52 DEG C, then adds butanone, MPS lotion, the succinic acid di-isooctyl sulfonic acid of surplus Sodium, trihydroxy methyl phosphorous oxide, foaming agent, cross-linking aid and catalyst, first temperature be 40 DEG C, speed of agitator 1000r/ 8min is mixed under conditions of min, reheats be warming up to 45 DEG C later, heat preservation adjusts pH value to 6.5, is then added suitable 12min is mixed in the water of weight of material 3.5%, speed of agitator 300r/min obtains material C；Step 4: material C is poured Into mold, first temperature be 40 DEG C at insulation reaction 15min, then temperature be 52 DEG C at insulation reaction 8min, finally in temperature Degree is cross-linking curing 26h at 38 DEG C.
10. according to claim 1-9 described in any item solar water heater polyurethane foam plastics building thermal insulation material, It can be applied in industrial equipment heat preservation, Food Freezing and Cold Storage equipment and heat-insulating material field.
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