CN103554897B - A kind of rigid urethane foam - Google Patents

A kind of rigid urethane foam Download PDF

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Publication number
CN103554897B
CN103554897B CN201310510248.8A CN201310510248A CN103554897B CN 103554897 B CN103554897 B CN 103554897B CN 201310510248 A CN201310510248 A CN 201310510248A CN 103554897 B CN103554897 B CN 103554897B
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minute
urethane foam
attapulgite
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rigid urethane
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CN201310510248.8A
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CN103554897A (en
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汪义卉
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Connaught (Tianjin) Industrial Co., Ltd.
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MAANSHAN KEXIN CONSULTING CO Ltd
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Abstract

The invention discloses a kind of rigid urethane foam, it is characterized in that expecting that mixing, cast, reaction, slaking are made by A, B of following weight part: A expects: polyether glycol 100, dimethyl silicone oil 4-5, water 4-5, polyisobutene 3.8-4.5, magnesiumcarbonate 10-15, polyvinyl acetate emulsion 5.0-7.0, vinyl three ('beta '-methoxy oxyethyl group) silane 2.3-2.5, Vanay 3-4, blaue fixe 5-10, sepiolite powder 20-30, different potassium zincate 1-2, attapulgite modified 6-8; B expects: polyisocyanates 30-40.Rigid urethane foam of the present invention, has density low, the features such as lightweight, has the effect of good heat-insulation and heat-preservation, and the lagging material for refrigerator, refrigerator can saves energy, low-carbon environment-friendly.

Description

A kind of rigid urethane foam
Technical field
The present invention relates to a kind of foam, particularly a kind of rigid urethane foam.
Background technology
Urethane foam is that isocyanic ester and oxy-compound are made through polymerization foaming, can be divided into soft and hard two class by its hardness.Known to industry, polyurethane rigid foam plastic is widely used in the occasions such as refrigerator, refrigerator, refrigerator car, refrigerator chamber, pipeline and building, play heat insulation (insulation) effect, and polyurethane rigid foam plastic obtained by polyurethane rigid foam combination material and isocyanate reaction, people are also accustomed to polyurethane rigid foam plastic to be called urethane foam or high molecular synthetic material.Maximum shortcoming existing for rigid foam in prior art is that average core density is high, at 35 ~ 40Kg/m3, and the deficiency of the high meeting of average core density and then following three aspects of initiation: one is cause the consumption of raw material as polyurethane rigid foam combination material and isocyanic ester for the production of porous plastics large, not only cause wastage of material unreasonably, and cause the inaction of cost to increase; Two is that average core density height can produce thermal conductivity high (being 0.020 ~ 0.022W/mK at present), thus makes the poor thermal insulation property of the foams after foaming.When significantly wasting electric energy for during the heat-insulating heat-preserving material of household electrical appliance as refrigerator or refrigerator and so on; Three is because average core density is high, causing demould time long to during the such as products production such as refrigerator or refrigerator, being generally 8 ~ 10min at present, thus affecting production efficiency, production capacity is restricted.
Summary of the invention
The object of this invention is to provide a kind of rigid urethane foam of good heat insulating.
In order to realize object of the present invention, the present invention is by following scheme implementation:
A kind of rigid urethane foam, expect that mixing, cast, reaction, slaking are made by A, B of following weight part:
A expects: polyether glycol 100, dimethyl silicone oil 4-5, water 4-5, polyisobutene 3.8-4.5, magnesiumcarbonate 10-15, polyvinyl acetate emulsion 5.0-7.0, vinyl three ('beta '-methoxy oxyethyl group) silane 2.3-2.5, Vanay 3-4, blaue fixe 5-10, sepiolite powder 20-30, different potassium zincate 1-2, attapulgite modified 6-8;
B expects: polyisocyanates 30-40.
Described attapulgite modified preparation by the following method: the raw material taking following weight part: attapulgite 95-110, Iron-ore Slag 1-2, stalk ashes 50-55, gypsum 3-4, vinylbenzene 2-3, xitix 2-3, Dyhard RU 100 1-2, bicarbonate of ammonia 3-4, ethyl acetate 3-4, dioctyl ester 4-5, Sodium Selenite 5-6, borax 3-4, clorafin 1-2; Attapulgite, Iron-ore Slag, gypsum are put into calcining furnace by preparation method, at 570-590 DEG C, calcine 4-5 hour, take out, mix with stalk ashes, bicarbonate of ammonia, borax, be ground to and obtain 300-400 order powder, then, then add vinylbenzene, xitix, Dyhard RU 100 mixing, continue grinding 30-45 minute, to fully dispersion, then add other remaining component, continue grinding after 30-45 minute, under 1500-1800 rev/min, stir 15-30 minute, obtain attapulgite modified.
Rigid urethane foam of the present invention, is prepared from by following concrete steps:
A is expected each raw material mixes, grind 20-30 minute at normal temperatures, obtain slurry; Add in A material by B material again, 200-300 rev/min is stirred 30-45 second; Be poured into free foaming in mould, obtain mould base; Then, together with mould, mould base is sent in tunnel type baking oven, at temperature-gradient method: 40-45 DEG C, reaction 15-25 minute; Again at 55-65 DEG C, reaction 10-15 minute; Again at 75-85 DEG C, reaction 5-10 minute; Finally slaking 5-7 hour at 90-100 DEG C.
Rigid urethane foam of the present invention, has density low, the features such as lightweight, has the effect of good heat-insulation and heat-preservation, and the lagging material for refrigerator, refrigerator can saves energy, low-carbon environment-friendly.
Specific embodiments
Below by specific examples, the present invention is described in detail.
A kind of rigid urethane foam, expect that mixing, cast, reaction, slaking are made by A, B of following weight part:
A expects: each parts by weight of raw materials be (weight part be kilogram): polyether glycol 100, dimethyl silicone oil 4, water 4, polyisobutene 3.8, magnesiumcarbonate 10, polyvinyl acetate emulsion 5.0, vinyl three ('beta '-methoxy oxyethyl group) silane 2.3, Vanay 3-4, blaue fixe 5, sepiolite powder 20, different potassium zincate 1, attapulgite modified 6;
B expects: each parts by weight of raw materials be (weight part be kilogram): polyisocyanates 30.
Described attapulgite modified preparation by the following method: the raw material taking following weight part (kilogram): attapulgite 95, Iron-ore Slag 1, stalk ashes 50, gypsum 3, vinylbenzene 2, xitix 2, Dyhard RU 100 1, bicarbonate of ammonia 3, ethyl acetate 3, dioctyl ester 4, Sodium Selenite 5, borax 3, clorafin 1; Attapulgite, Iron-ore Slag, gypsum are put into calcining furnace by preparation method, at 570-590 DEG C, calcine 4-5 hour, take out, mix with stalk ashes, bicarbonate of ammonia, borax, be ground to and obtain 300-400 order powder, then, then add vinylbenzene, xitix, Dyhard RU 100 mixing, continue grinding 30-45 minute, to fully dispersion, then add other remaining component, continue grinding after 30-45 minute, under 1500-1800 rev/min, stir 15-30 minute, obtain attapulgite modified.
Rigid urethane foam of the present invention, is prepared from by following concrete steps:
A is expected each raw material mixes, grind 20-30 minute at normal temperatures, obtain slurry; Add in A material by B material again, 200-300 rev/min is stirred 30-45 second; Be poured into free foaming in mould, obtain mould base; Then, together with mould, mould base is sent in tunnel type baking oven, at temperature-gradient method: 40-45 DEG C, reaction 15-25 minute; Again at 55-65 DEG C, reaction 10-15 minute; Again at 75-85 DEG C, reaction 5-10 minute; Finally slaking 5-7 hour at 90-100 DEG C.
The each functional parameter of material of gained is as follows: compressive strength (MPa): 0.26, oxygen index: 23, thermal conductivity (W/mK): 0.036.

Claims (1)

1. a rigid urethane foam, is characterized in that expecting that mixing, cast, reaction, slaking are made by A, B of following weight part:
A expects: polyether glycol 100, dimethyl silicone oil 4-5, water 4-5, polyisobutene 3.8-4.5, magnesiumcarbonate 10-15, polyvinyl acetate emulsion 5.0-7.0, vinyl three ('beta '-methoxy oxyethyl group) silane 2.3-2.5, Vanay 3-4, blaue fixe 5-10, sepiolite powder 20-30, different potassium zincate 1-2, attapulgite modified 6-8;
B expects: polyisocyanates 30-40;
Described attapulgite modified preparation by the following method: the raw material taking following weight part: attapulgite 95-110, Iron-ore Slag 1-2, stalk ashes 50-55, gypsum 3-4, vinylbenzene 2-3, xitix 2-3, Dyhard RU 100 1-2, bicarbonate of ammonia 3-4, ethyl acetate 3-4, dioctyl ester 4-5, Sodium Selenite 5-6, borax 3-4, clorafin 1-2; Attapulgite, Iron-ore Slag, gypsum are put into calcining furnace by preparation method, at 570-590 DEG C, calcine 4-5 hour, take out, mix with stalk ashes, bicarbonate of ammonia, borax, be ground to and obtain 300-400 order powder, then, then add vinylbenzene, xitix, Dyhard RU 100 mixing, continue grinding 30-45 minute, to fully dispersion, then add other remaining component, continue grinding after 30-45 minute, under 1500-1800 rev/min, stir 15-30 minute, obtain attapulgite modified.
CN201310510248.8A 2013-10-25 2013-10-25 A kind of rigid urethane foam Active CN103554897B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109575227A (en) * 2018-12-27 2019-04-05 王世茸 The fire-retardant PU resin of environment-friendly type antibiotic

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CN104371090A (en) * 2014-10-30 2015-02-25 六安索伊电器制造有限公司 Polyurethane foam material for refrigerators and preparation method thereof
CN104497554A (en) * 2015-01-05 2015-04-08 孟红琳 Preparation method of weatherproof polyurethane thermal insulation wall material
CN106398164A (en) * 2016-09-08 2017-02-15 广西南宁桂尔创环保科技有限公司 Environmental-friendly novel foamed plastic
CN106366614A (en) * 2016-09-08 2017-02-01 广西南宁桂尔创环保科技有限公司 Novel environment-friendly foam plastic
CN106398167A (en) * 2016-09-08 2017-02-15 广西南宁桂尔创环保科技有限公司 Novel foamed plastic
CN106398165A (en) * 2016-09-08 2017-02-15 广西南宁桂尔创环保科技有限公司 Environment-friendly foamed plastic
CN106398166A (en) * 2016-09-08 2017-02-15 广西南宁桂尔创环保科技有限公司 High performance foam plastic
CN106433081A (en) * 2016-09-08 2017-02-22 广西南宁桂尔创环保科技有限公司 Environment-friendly foamed plastic with high performances
CN106750086A (en) * 2016-12-14 2017-05-31 浙江吉高新材料有限公司 A kind of high-performance reaction injection molding polyurethane and preparation method thereof
US20190292327A1 (en) * 2018-03-26 2019-09-26 Medtronic, Inc. Poly(ether-carbonate)-based polymers and medical devices
CN108484864B (en) * 2018-04-18 2020-08-11 南京理工大学 Organic sepiolite modified bi-component waterborne polyurethane and preparation method thereof
WO2022028916A1 (en) * 2020-08-04 2022-02-10 Huntsman International Llc A reaction mixture for manufacturing an inorganic-filler based closed-cell rigid polyurethane or polyisocyanurate containing foam

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CN103273711A (en) * 2013-06-09 2013-09-04 山东普兰特板业有限公司 Silicon dioxide modified polyurethane sandwich panel for heat preservation of refrigeration storage

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CN102875762A (en) * 2011-07-14 2013-01-16 天津市艾迪聚氨酯工业有限公司 High flame retardant rigid polyurethane foam
CN102408535A (en) * 2011-11-23 2012-04-11 吴江明峰聚氨酯制品有限公司 Plant fiber-enhanced rigid polyurethane foam plastic
CN102911339A (en) * 2012-11-07 2013-02-06 山东联创节能新材料股份有限公司 Preparation method of flame-retardant polyurethane foam for flat-plate solar collector
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CN109575227A (en) * 2018-12-27 2019-04-05 王世茸 The fire-retardant PU resin of environment-friendly type antibiotic

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Inventor after: Guan Feng

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Address after: 301721 Tianjin city Wuqing District Cha Gu Gang Zhen Fu Road No. 112

Patentee after: Connaught (Tianjin) Industrial Co., Ltd.

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Patentee before: Maanshan Kexin Consulting Co., Ltd.

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