JPS62288623A - Production of urethane foam - Google Patents
Production of urethane foamInfo
- Publication number
- JPS62288623A JPS62288623A JP61130987A JP13098786A JPS62288623A JP S62288623 A JPS62288623 A JP S62288623A JP 61130987 A JP61130987 A JP 61130987A JP 13098786 A JP13098786 A JP 13098786A JP S62288623 A JPS62288623 A JP S62288623A
- Authority
- JP
- Japan
- Prior art keywords
- polyol
- ethylene oxide
- component
- polyether polyol
- 100pts
- 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.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 10
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 229920005862 polyol Polymers 0.000 claims abstract description 32
- 150000003077 polyols Chemical class 0.000 claims abstract description 31
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 17
- 229920000570 polyether Polymers 0.000 claims abstract description 17
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 5
- 238000005187 foaming Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 150000001412 amines Chemical class 0.000 abstract description 4
- 239000011359 shock absorbing material Substances 0.000 abstract description 2
- 239000012974 tin catalyst Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000004088 foaming agent Substances 0.000 abstract 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 abstract 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- 235000011187 glycerol Nutrition 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- HNRMPXKDFBEGFZ-UHFFFAOYSA-N ethyl trimethyl methane Natural products CCC(C)(C)C HNRMPXKDFBEGFZ-UHFFFAOYSA-N 0.000 description 2
- 238000010559 graft polymerization reaction Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003606 tin compounds Chemical class 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- TXXWBTOATXBWDR-UHFFFAOYSA-N n,n,n',n'-tetramethylhexane-1,6-diamine Chemical compound CN(C)CCCCCCN(C)C TXXWBTOATXBWDR-UHFFFAOYSA-N 0.000 description 1
- 125000005474 octanoate group Chemical group 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
本発明は、ウレタン発泡体の製造法に関するものである
。ウレタン発泡体は低い弾性率を有することから自動車
内装用パッド類や衝撃緩衝材として有効である。Detailed Description of the Invention 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a method for producing urethane foam. Since urethane foam has a low elastic modulus, it is effective as pads for automobile interiors and shock-absorbing materials.
軟質ウレタン発泡体は、自動車や家具用分野に広く使用
されている。これらに使用されるウレタン発泡体として
、反発弾性率がｊＯ％以上の通称コールドキュアーフオ
ームと呼ばれるものかアシ、エチレンオキサイド含有率
ＩＯ−λθ九のポリエーテルポリオールを主に用いてい
る。Soft urethane foam is widely used in the automobile and furniture fields. As the urethane foam used in these products, a so-called cold cure foam having a rebound modulus of jO% or more and a polyether polyol having an ethylene oxide content of IO-λθ9 are mainly used.
また反発弾性率が３Ｏ−Ｊ−ＯＮの通称ホット又はセミ
ホットフオームは、エチレンオキサイド含有率Ｏ〜／（
１）Ｘ程度のポリエーテルポリオールを主に用いている
。Also, the so-called hot or semi-hot foam with a rebound modulus of 3O-J-ON has an ethylene oxide content of O~/(
1) A polyether polyol of about X is mainly used.
採用によシ、一層低い反発弾性率のウレタン発泡体を提
供することを目的とする。The purpose of this invention is to provide a urethane foam having a lower impact modulus.
本発明の目的は、エチレンオキサイド含有率ｏ−ｚｏｘ
のポリエーテルポリオール７００重量部およびエチレン
オキサイド含有率６０３以上のポリエーテルポリオール
ｉｏｏ〜１ｏｏｏ＊＊部からなるポリオール成分と有機
イソシアネート成分を発泡条件下において反応させるこ
とによ）達成される。The object of the present invention is to reduce the ethylene oxide content o-zox
This is achieved by reacting a polyol component consisting of 700 parts by weight of a polyether polyol with an ethylene oxide content of 603 or more and an organic isocyanate component with an organic isocyanate component under foaming conditions.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
ルである。このようなポリエーテルポリオールハ、水、
エチレングリコール、フロピレンゲリコール、グリセリ
ン又はトリメチルプロパン等を開始剤として使用し、こ
れにエチレンオキサイド、プロピレンオキサイド等のア
ルキレンオキサイドを付加させて得ることができる。ま
た本発明においては、前記ポリエーテルポリオールに、
アクリロニトリル又はポリスチレンをグラフト重合させ
た所謂ポリマーポリオール［用し得る。本発明で用いら
れるエチレンオキサイド含有率ｏ−ｔｏ！Ａおよび６０
Ｘ以上のポリエーテルポリオールの分子ｆｋｈ通常ｔｏ
ｏｏ〜１ｏｏｏｏの範囲とされる。It is le. Such a polyether polyol, water,
It can be obtained by using ethylene glycol, propylene gellicol, glycerin, trimethylpropane, or the like as an initiator, and adding an alkylene oxide such as ethylene oxide or propylene oxide thereto. Further, in the present invention, the polyether polyol includes:
A so-called polymer polyol obtained by graft polymerization of acrylonitrile or polystyrene can be used. Ethylene oxide content used in the present invention o-to! A and 60
Molecules of polyether polyols of X or more fkh usually to
The range is oo to 1oooo.
本発明においては、エチレンオキサイド含有率がＱ ＝
７０５Ａのポリエーテルポリオールと６０３以上のポ
リエーテルポリオールとを所定割合で使用することが重
要である。使用割合はエチレンオキサイド含有ｇｏ−ｚ
ｏＮのポリエーテルポリオール１００重量部に対して、
エチレンオキサイド含有藁ｔＯ％以上のポリエーテルポ
リオール１０θ〜１０００重量部である。In the present invention, the ethylene oxide content is Q =
It is important to use a 705A polyether polyol and a 603 or higher polyether polyol in a predetermined ratio. The usage ratio is ethylene oxide containing go-z
For 100 parts by weight of oN polyether polyol,
Ethylene oxide-containing straw tO% or more polyether polyol is 10θ to 1000 parts by weight.
本発明に使用する有機ジイソシアネート成分としては、
ジフェニルメタンジイソシアネート。The organic diisocyanate component used in the present invention includes:
Diphenylmethane diisocyanate.
夕
粗ジフェニルメｆンジイソシアネート、トリレンジイソ
シアネートまたはそれらの変性物等が挙げられ、またそ
れらの混合物を使用することもできる。Examples include crude diphenyl diisocyanate, tolylene diisocyanate, and modified products thereof, and mixtures thereof may also be used.
本発明は、上述したポリオール成分及び有機ジイソシア
ネート成分を原料として使用して低反発弾性率を有する
、軟質ポリウレタン発泡体本発明に使用する触媒は、ポ
リウレタン発泡体ｔ−４１１１造する際、一般に使用さ
れるもので良く、例えば有機スズ化合物触媒、アミン系
触媒がある。有機スズ化合物触媒としては、スタナスオ
クトエート、スタナスオレエート、ジブチルスズジラウ
レート、ジブチルスズーーーエチルヘキソエート等があ
る。アミン触媒として例えば、トリエチレンジアミン、
Ｎ−メチルモリホリン。The present invention is a flexible polyurethane foam having a low impact modulus using the above-mentioned polyol component and organic diisocyanate component as raw materials.The catalyst used in the present invention is generally used when producing polyurethane foam T-4111. For example, organic tin compound catalysts and amine catalysts may be used. Examples of the organic tin compound catalyst include stannath octoate, stannath oleate, dibutyltin dilaurate, dibutyltin-ethylhexoate, and the like. Examples of amine catalysts include triethylenediamine,
N-methylmorpholine.
テトラメチルへキサメチレンジアミン、ジメチルエタノ
ールアミン等を挙げることができるが特に限定されるも
のではない。使用量としては、ポリオール成分１００重
量部に対してポリオール側にスズ触媒０．０ ／ −０
，ｌ ０ＪＩＩ量部、アミン触媒０．２〜ム０重量部を
単独であるいは混合して使用する。Examples include tetramethylhexamethylenediamine, dimethylethanolamine, etc., but are not particularly limited. The amount used is 0.0/-0 tin catalyst on the polyol side per 100 parts by weight of the polyol component.
, l0JII parts and 0.2 to 0 parts by weight of an amine catalyst are used alone or in combination.
本発明においては、発泡剤として、水及び必要によ〕低
沸点ハロゲンｆヒ炭化水Ｔｔ’ａとえは塩化メチレン、
フレオン−／／等を混合して使用することによル望まれ
るフオーム＠度を荀るととができる。使用量としては、
ポリオール成分１ｏｏｘｆＩｋ部に対してポリオール側
に水へ〇〜２．０ ｒＩｉ量部、ｙｖ：ｔン−／／
ｏ−ａｏＭ量ＷＩｓｔ使用する。In the present invention, as blowing agents, water and, if necessary, low-boiling point halogens, carbonated water Tt'a, methylene chloride, etc.
By using a mixture of freon and the like, a desired form can be obtained. As for the amount used,
0 to 2.0 rIi parts of water to the polyol side per 1 ooxfIk part of the polyol component, yv: ton-//
o-aoM quantity WIst is used.
実施例／〜３、比較例１−２
第１表に示した配合組成の原料（単位はいずれも′Ｍ量
部を示す）を液温度−１℃（インシアネート・ポリオー
ル）、混合時間ｊ秒、モールド温度４Ｉｊ”Ｃ±ｊ’ｃ
（モールドサイズ４！ｏｏｘｐｏｏｘｉｏｏ■）脱型時
間３分の条件にてノ％ンドミックスで発泡させ第１表に
示した結果を得た。比較例を合せて表に示す。Examples/~3, Comparative Example 1-2 Raw materials having the composition shown in Table 1 (all units indicate 'M parts) were mixed at a liquid temperature of -1°C (incyanate polyol) and a mixing time of j seconds. , mold temperature 4Ij"C±j'c
(Mold size 4! ooxpooxioo■) The foaming was performed using a non-permanent mix under the condition that the demolding time was 3 minutes, and the results shown in Table 1 were obtained. Comparative examples are also shown in the table.
＊■ポリエーテルポリオール、開始剤グリセリン、ｇｏ
、ｐｏ付加、ＥＯ含有藁♂ＯＸ％分子ｉ３≠００．、Ｊ
官能
＊■ポリｉ−ポリオール、開始剤グリセリン。*■Polyether polyol, initiator glycerin, go
, po addition, EO-containing straw♂OX% molecule i3≠00. , J.
Functionality *■Poly i-polyol, initiator glycerin.
ＫＯ，ＰＯ付加、ＫＯ含有率λＯ’Ａのポリエーテルポ
リオールを７クリロニトリルグラフト重合、アクリロニ
トリル含有９／７Ｘ。KO, PO addition, 7 acrylonitrile graft polymerization of polyether polyol with KO content λO'A, acrylonitrile containing 9/7X.
１０含有率／Ｊ、ｊＸ、分子ｆＪ ０００＊■ポリエー
テルポリオール、開始剤グリセリン。10 content/J, jX, molecule fJ 000*■Polyether polyol, initiator glycerin.
ｇｏ、ｐｏ付加、！！！Ｏ含有率含有率７丹３１４粗ジ
フエニルメタンジイソシアネート、ＮＯＯ含有藁Ｊ Ｏ
．Ｏ Ｘ
〈発明の効果〉
本発明によれば、柔軟で且つ低密度、低反発弾性のエネ
ルギー吸収効果に優れたウレタン発泡体を提供すること
ができ、自動車内装パッド類や、その他衝撃緩衝材とし
ての用途分野に大きく寄与するものである。go, po addition,! ! ! O content content 7 Tan 314 crude diphenylmethane diisocyanate, NOO containing straw J O
．． O This will greatly contribute to the field of application.
Claims (1)
テルポリオール１００重量部およびエチレンオキサイド
含有率６０％以上のポリエーテルポリオール１００〜１
０００重量部からなるポリオール成分と有機ジイソシア
ネート成分を発泡条件下で反応させることを特徴とする
軟質ウレタン発泡体の製造法。(1) 100 parts by weight of polyether polyol with an ethylene oxide content of 0 to 50% and 100 to 1 part of a polyether polyol with an ethylene oxide content of 60% or more
A method for producing a flexible urethane foam, which comprises reacting a polyol component and an organic diisocyanate component of 000 parts by weight under foaming conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61130987A JPS62288623A (en) | 1986-06-05 | 1986-06-05 | Production of urethane foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61130987A JPS62288623A (en) | 1986-06-05 | 1986-06-05 | Production of urethane foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62288623A true JPS62288623A (en) | 1987-12-15 |
Family
ID=15047268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61130987A Pending JPS62288623A (en) | 1986-06-05 | 1986-06-05 | Production of urethane foam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62288623A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0913414A1 (en) * | 1997-10-28 | 1999-05-06 | Tokai Rubber Industries, Ltd. | Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
| CN113461904A (en) * | 2021-08-10 | 2021-10-01 | 中山成长鞋材有限公司 | Soft, high-elasticity, water-absorbing and non-swelling polyether foam and preparation method thereof |
| CN113583205A (en) * | 2021-06-29 | 2021-11-02 | 佳化化学科技发展（上海）有限公司 | Slow-resilience sponge and preparation method and application thereof |
Citations (19)
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|---|---|---|---|---|
| JPS5298096A (en) * | 1975-12-22 | 1977-08-17 | M & T Chemicals Inc | Process for producing polyurethane foam with high resilience |
| JPS54148893A (en) * | 1978-05-15 | 1979-11-21 | Bridgestone Corp | Production of flexible polyether polyurethane foam |
| JPS5558216A (en) * | 1978-10-24 | 1980-04-30 | Mitui Toatsu Chem Inc | Production of polyurethane foam |
| JPS5589326A (en) * | 1978-12-27 | 1980-07-05 | Toyoda Gosei Co Ltd | Production of urethan foam for shock absorption |
| JPS5620017A (en) * | 1979-07-30 | 1981-02-25 | Achilles Corp | Production or low-smoking rigid foam |
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| JPS60186519A (en) * | 1980-06-30 | 1985-09-24 | ユニオン・カ−バイド・コ−ポレ−シヨン | Manufacture of urethane foam |
| JPS60206819A (en) * | 1984-03-30 | 1985-10-18 | Sanyo Chem Ind Ltd | Production of polyurethane molding |
| JPS612723A (en) * | 1984-06-14 | 1986-01-08 | Sanyo Chem Ind Ltd | Manufacture of foam |
| JPS6136315A (en) * | 1984-07-30 | 1986-02-21 | Nisshinbo Ind Inc | Vibration-damping material |
| JPS61171720A (en) * | 1985-01-24 | 1986-08-02 | Sanyo Chem Ind Ltd | Production of polyurethane |
-
1986
- 1986-06-05 JP JP61130987A patent/JPS62288623A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5298096A (en) * | 1975-12-22 | 1977-08-17 | M & T Chemicals Inc | Process for producing polyurethane foam with high resilience |
| JPS56127627A (en) * | 1976-07-06 | 1981-10-06 | Union Carbide Corp | High ethylene oxide quantity polyol and mixture containing it |
| JPS54148893A (en) * | 1978-05-15 | 1979-11-21 | Bridgestone Corp | Production of flexible polyether polyurethane foam |
| JPS5558216A (en) * | 1978-10-24 | 1980-04-30 | Mitui Toatsu Chem Inc | Production of polyurethane foam |
| JPS5589326A (en) * | 1978-12-27 | 1980-07-05 | Toyoda Gosei Co Ltd | Production of urethan foam for shock absorption |
| JPS5620017A (en) * | 1979-07-30 | 1981-02-25 | Achilles Corp | Production or low-smoking rigid foam |
| JPS5653126A (en) * | 1979-10-08 | 1981-05-12 | Dai Ichi Kogyo Seiyaku Co Ltd | Preparation of semirigid urethane foam |
| JPS5667330A (en) * | 1979-11-07 | 1981-06-06 | Mitui Toatsu Chem Inc | Production of soft polyurethane foam |
| JPS56116716A (en) * | 1980-02-19 | 1981-09-12 | Asahi Glass Co Ltd | Preparation of polyurethane foam for energy absorption |
| JPS60186519A (en) * | 1980-06-30 | 1985-09-24 | ユニオン・カ−バイド・コ−ポレ−シヨン | Manufacture of urethane foam |
| JPS57131217A (en) * | 1981-02-06 | 1982-08-14 | Achilles Corp | Production of low-smoking urethane-modified isocyanurate foam |
| JPS57135856A (en) * | 1981-02-17 | 1982-08-21 | Asahi Glass Co Ltd | Polyether polyol composition |
| JPS57198722A (en) * | 1981-06-02 | 1982-12-06 | Mitui Toatsu Chem Inc | Production of spray-type flexible polyurethane foam of high elasticity |
| JPS5925810A (en) * | 1982-06-22 | 1984-02-09 | Sumitomo Bayer Urethane Kk | Preparation of flexible polyurethane foam |
| JPS60181115A (en) * | 1984-02-28 | 1985-09-14 | Sanyo Chem Ind Ltd | Production of polyurethane |
| JPS60206819A (en) * | 1984-03-30 | 1985-10-18 | Sanyo Chem Ind Ltd | Production of polyurethane molding |
| JPS612723A (en) * | 1984-06-14 | 1986-01-08 | Sanyo Chem Ind Ltd | Manufacture of foam |
| JPS6136315A (en) * | 1984-07-30 | 1986-02-21 | Nisshinbo Ind Inc | Vibration-damping material |
| JPS61171720A (en) * | 1985-01-24 | 1986-08-02 | Sanyo Chem Ind Ltd | Production of polyurethane |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0913414A1 (en) * | 1997-10-28 | 1999-05-06 | Tokai Rubber Industries, Ltd. | Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
| US6136879A (en) * | 1997-10-28 | 2000-10-24 | Tokai Rubber Industries, Ltd. | Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
| CN113583205A (en) * | 2021-06-29 | 2021-11-02 | 佳化化学科技发展（上海）有限公司 | Slow-resilience sponge and preparation method and application thereof |
| CN113461904A (en) * | 2021-08-10 | 2021-10-01 | 中山成长鞋材有限公司 | Soft, high-elasticity, water-absorbing and non-swelling polyether foam and preparation method thereof |
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