JPH0480256A - Manufacturing method of polyurethane foam - Google Patents
Manufacturing method of polyurethane foamInfo
- Publication number
- JPH0480256A JPH0480256A JP19693190A JP19693190A JPH0480256A JP H0480256 A JPH0480256 A JP H0480256A JP 19693190 A JP19693190 A JP 19693190A JP 19693190 A JP19693190 A JP 19693190A JP H0480256 A JPH0480256 A JP H0480256A
- Authority
- JP
- Japan
- Prior art keywords
- polyurethane foam
- parts
- weight
- yellowing
- foam
- 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
- 229920005830 Polyurethane Foam Polymers 0.000 title claims description 23
- 239000011496 polyurethane foam Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000004383 yellowing Methods 0.000 claims description 15
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 229920005862 polyol Polymers 0.000 claims description 12
- 150000003077 polyols Chemical class 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000010097 foam moulding Methods 0.000 claims description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- -1 aromatic nitro compound Chemical class 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 150000005846 sugar alcohols Polymers 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 150000007519 polyprotic acids Polymers 0.000 description 3
- 150000003254 radicals Chemical group 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920005906 polyester polyol Polymers 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 125000005628 tolylene group Chemical group 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- QWQNFXDYOCUEER-UHFFFAOYSA-N 2,3-ditert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1C(C)(C)C QWQNFXDYOCUEER-UHFFFAOYSA-N 0.000 description 1
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical class C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920000538 Poly[(phenyl isocyanate)-co-formaldehyde] Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical class CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000007983 Tris buffer Substances 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
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 159000000032 aromatic acids Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000002603 chloroethyl group Chemical group [H]C([*])([H])C([H])([H])Cl 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004872 foam stabilizing agent Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- TZMQHOJDDMFGQX-UHFFFAOYSA-N hexane-1,1,1-triol Chemical compound CCCCCC(O)(O)O TZMQHOJDDMFGQX-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- SGLXWMAOOWXVAM-UHFFFAOYSA-L manganese(2+);octanoate Chemical compound [Mn+2].CCCCCCCC([O-])=O.CCCCCCCC([O-])=O SGLXWMAOOWXVAM-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000582 polyisocyanurate Polymers 0.000 description 1
- 239000011495 polyisocyanurate Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000012970 tertiary amine catalyst Substances 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、優れた耐黄変性を有するポリウレタンフォ
ームの製法に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a method for producing polyurethane foams having excellent yellowing resistance.
従来の技術
従来から、ポリウレタンフォームはクツンヨン材、マノ
トレス、パント材、ワディング材等として種々の分野に
おいて利用されているが、耐候性が悪く、光、熱および
空気中の成分（酸素、オゾン、窒素酸化物および硫黄酸
化物等）の影響を受けて経時的に黄変劣化するので、そ
の用途は大きく制限されている。Conventional technology Polyurethane foam has traditionally been used in various fields as kutsunyon material, manotress material, punt material, wadding material, etc. However, it has poor weather resistance and is susceptible to light, heat, and components in the air (oxygen, ozone, nitrogen, etc.). Because it yellows and deteriorates over time due to the influence of oxides, sulfur oxides, etc.), its uses are greatly limited.
このような問題の解決策として、脂肪族ポリアミン系や
フェノール系の酸化防止剤およびベンゾフェノンやベン
ゾトリアゾール系の紫外線吸収剤を添加する方法か提案
されているが、十分な安定化効果は得られていない。As a solution to this problem, it has been proposed to add aliphatic polyamine-based or phenolic-based antioxidants and benzophenone- or benzotriazole-based ultraviolet absorbers, but sufficient stabilizing effects have not been achieved. do not have.
方、比較的最近になって、特定の添加剤の併用、即ち、
ベンゾトリアゾール系紫外線吸収剤、ヒンダードフェノ
ール系酸化防止剤およびハイドロキノン類もしくは芳香
族ニトロ化合物の併用配合によって安定化効果を得る技
術が提案されている（特公昭６２−４４５８２号公報）
。On the other hand, relatively recently, the combined use of specific additives, i.e.
A technique has been proposed to obtain a stabilizing effect by combining a benzotriazole ultraviolet absorber, a hindered phenol antioxidant, and hydroquinones or an aromatic nitro compound (Japanese Patent Publication No. 44582/1982).
.
しかしながら、本発明者のその後の研究によれは、ヒン
ダードフェノール系酸化防止剤単独ではポリウレタンフ
ォームの経時的な黄変劣化を抑制する効果は十分でなく
、ベンゾトリアゾール系紫外線吸収剤は黄変を助長する
傾向があることが判明した。However, subsequent research by the present inventors revealed that hindered phenol-based antioxidants alone are not sufficiently effective in suppressing yellowing and deterioration of polyurethane foam over time, and benzotriazole-based ultraviolet absorbers do not suppress yellowing. It was found that there was a tendency to encourage
一般に、ポリウレタンフォームの黄変は、製造されてか
ら一定期間経過後に急速に進行するか、これは黄変をも
たらす反応か、一定の誘導期間後にラジカル的な連鎖反
応によって進行するためと考えられる。In general, it is thought that yellowing of polyurethane foam progresses rapidly after a certain period of time has elapsed since it was manufactured, or this is due to a reaction that causes yellowing, or it progresses due to a radical chain reaction after a certain induction period.
発明が解決しようとする課題
この発明は、このようなラジカル的連鎖反応を有効に抑
制することによって、優れた耐黄変性を有するポリウレ
タンフォームを提供するためになされｔ二ものである。Problems to be Solved by the Invention The present invention was made in order to provide a polyurethane foam having excellent yellowing resistance by effectively suppressing such radical chain reactions.
課題を解決するための手段
即ちこの発明は、黄変防止剤としてハイドロキノンを含
有するポリウレタンフォーム用組成物を発泡成形するこ
とを特徴とするポリウレタンフォームの製法に関する。Means for Solving the Problems, that is, the present invention relates to a method for producing polyurethane foam, which is characterized by foam-molding a composition for polyurethane foam containing hydroquinone as an anti-yellowing agent.
本発明に使用するポリウレタンフォーム用組成物の配合
処方は、黄変防止剤としてハイドロキノンを配合する以
外は従来の配合処方に準拠すればよい。即ち、基材成分
としてのポリイソノア不ト成分とポリオール成分に、／
＼イドロキノンのほかに各種の添加剤、例えば発泡剤、
触媒、難燃剤、酸化防止剤、紫外線吸収剤および整泡剤
等を適宜配合すればよい。The formulation of the composition for polyurethane foam used in the present invention may be based on conventional formulations, except for adding hydroquinone as an anti-yellowing agent. That is, /
＼In addition to hydroquinone, various additives such as foaming agents,
Catalysts, flame retardants, antioxidants, ultraviolet absorbers, foam stabilizers, and the like may be blended as appropriate.
ポリイソ／アネート成分としては次の化合物か例示され
る：２．４−トリレンジイソンア不−ト、６５／３５ト
リレンジインノアネート、８０／２０トリレンジイソン
ア不−ト、４．４’−ジフェニルメタンジイソシアネー
ト、メタキシリレンジイソシアネート、ポリメチレンポ
リフェニルイソシアネート等が例示される。Examples of the polyiso/anate component include the following compounds: 2.4-tolylene diysonanoate, 65/35 tolylene diynoanoate, 80/20 tolylene diysonoate, 4.4' Examples include -diphenylmethane diisocyanate, metaxylylene diisocyanate, and polymethylene polyphenylisocyanate.
ポリオール成分としてはポリエーテルポリオール、ポリ
エステルポリオールが用いられ、分子量３００〜６００
０のものが好ましい。Polyether polyols and polyester polyols are used as polyol components, and have a molecular weight of 300 to 600.
0 is preferred.
ポリエーテルポリオールは低分子量多価アルコルにアル
キレンオキンドを付加させたものであり、多価アルコー
ル、例えばエチレングリコール、プロピレングリコール
、ペンチルグリコール、ベキ／レンゲリコール、グリセ
リン、トリメチロールプロパン、ペンタエリスリット、
ツルヒツトまたは／ヨ糖等に、アルキレンオキ７ド、例
えばエチレンオキンドまたはプロピレンオキンド類を付
加させたポリエーテルポリオールが例示される。Polyether polyol is a low molecular weight polyhydric alcohol with an alkylene oxide added thereto, and polyhydric alcohols such as ethylene glycol, propylene glycol, pentyl glycol, power/lane glycol, glycerin, trimethylolpropane, pentaerythritol,
Examples include polyether polyols in which alkylene oxides, such as ethylene oxides or propylene oxides, are added to sulfate or yosaccharide.
ポリエステルポリオールとしては有機多塩基酸と低分子
量多価アルコールとのエステル化合物にアルキレンオキ
ンドを付加させたものである。The polyester polyol is an ester compound of an organic polybasic acid and a low molecular weight polyhydric alcohol to which an alkylene oxide is added.
使用し得る有機多塩基酸としてはアジピン酸、フタール
酸、セバシン酸、ダイマー酸等の飽和脂肪酸や不飽和脂
肪酸、芳香族酸等が例示される。Examples of organic polybasic acids that can be used include saturated fatty acids such as adipic acid, phthalic acid, sebacic acid, and dimer acid, unsaturated fatty acids, and aromatic acids.
特に好ましくはアジピン酸である。該有機多塩基酸とエ
ステル結合する低分子量多価アルコールとしては、ジオ
ール、トリオール、ヘキサオール等の多価アルコール、
例えば、エチレングリコール、プロピレングリコール、
ブチレングリコール、ジエチレングリコール、ジプロピ
レングリコール、トリメチロールプロパン、グリセリン
、ヘキサントリオール、ソルビトール等が例示される。Particularly preferred is adipic acid. Examples of the low molecular weight polyhydric alcohol that forms an ester bond with the organic polybasic acid include polyhydric alcohols such as diols, triols, and hexaols;
For example, ethylene glycol, propylene glycol,
Examples include butylene glycol, diethylene glycol, dipropylene glycol, trimethylolpropane, glycerin, hexanetriol, and sorbitol.
ハイドロキノンの配合量は特に限定的ではないが、通常
は、上記ポリオール成分１００重量部に対して０．２〜
２．０重量部、好ましくは０．２〜０．６重量部であり
、０．２重量部以下の場合には本発明による所期の効果
は得難く、また、２．０重量部以上になると、ウレタン
発泡時の気泡セルが独立状態でセントされ７オーム形状
を保持できにくくなる。The amount of hydroquinone blended is not particularly limited, but is usually 0.2 to 0.2 parts by weight per 100 parts by weight of the above polyol component.
The amount is 2.0 parts by weight, preferably 0.2 to 0.6 parts by weight; if it is less than 0.2 parts by weight, it is difficult to obtain the desired effect of the present invention, and if it is more than 2.0 parts by weight, If this happens, the air cells during urethane foaming will become independent, making it difficult to maintain the 7 ohm shape.
発泡剤としては、水、メチレンクロライド、トリクロロ
モノフルオロメタン等が例示され、これらの配合量は上
記ポリオール成分１００重量部に対して通常は１〜６重
量部である。Examples of the blowing agent include water, methylene chloride, trichloromonofluoromethane, etc., and the amount thereof is usually 1 to 6 parts by weight per 100 parts by weight of the polyol component.
触媒としては、ジブチル錫ジラウレート、オクチル酸ス
ズおよびオクチル酸マンガン等の有機金属化合物並びに
トリエチレンジアミンやトリー〇ブチルアミン等のアミ
ン化合物およびこれらの塩が例示され、これらの配合量
は上記ポリオール成分１００重量部に対して通常０〜５
重量部である。Examples of the catalyst include organometallic compounds such as dibutyltin dilaurate, tin octylate, and manganese octylate, and amine compounds and salts thereof such as triethylenediamine and tributylamine, and the amount of these compounds is 100 parts by weight of the above polyol component. Usually 0-5 for
Parts by weight.
難燃剤としては、含ハロゲンリン酸エステル化合物が望
ましい。例えば、トリス（２，２−クロロエチル）ホス
フェート、クロロエチルホス７エートオリゴマー等が例
示され、これらの配合量は上記ポリオール成分１００重
量部に対して通常は０〜５０重量部である。As the flame retardant, a halogen-containing phosphate ester compound is desirable. For example, tris(2,2-chloroethyl) phosphate, chloroethyl phos7ate oligomer, etc. are exemplified, and the blending amount thereof is usually 0 to 50 parts by weight per 100 parts by weight of the above polyol component.
酸化防止剤としては、ジ−ｔ−ブチル−ｐ−クレゾール
、４．４’−ビス（α、α′−ジメチルベンジル）ジフ
ェニルアミン、１．３．５−４リス（４−【ブチル−３
−ヒドロキシ−２，６−シメチルベンジル）イソンアヌ
ル酸等か例示され、これらの配合量は上記ポリオール成
分１００重量部に対して通常は０．１−１重量部である
。Examples of antioxidants include di-t-butyl-p-cresol, 4,4'-bis(α,α'-dimethylbenzyl)diphenylamine, 1.3.5-4lis(4-[butyl-3
-Hydroxy-2,6-dimethylbenzyl)isonanuric acid is exemplified, and the blending amount thereof is usually 0.1-1 parts by weight per 100 parts by weight of the above-mentioned polyol component.
紫外線吸収剤としては２−（２’−ヒドロキシ５′−メ
チルフェニル）ベンゾトリアゾール、メチルー：３−［
３−ｔ−ブチル−５−（２Ｈ−ベンゾトリアゾール−２
−イル）−４−ヒドロキシフェニル］プロピオネート−
ポリエチレングリコール等が例示され、これらの配合量
は上記ポリオール成分１００重量部に対して通常は０．
１〜２重量部である。As ultraviolet absorbers, 2-(2'-hydroxy5'-methylphenyl)benzotriazole, methyl-3-[
3-t-butyl-5-(2H-benzotriazole-2
-yl)-4-hydroxyphenyl]propionate-
Examples include polyethylene glycol, and the amount of these compounds is usually 0.00 parts by weight per 100 parts by weight of the polyol component.
It is 1 to 2 parts by weight.
整泡剤としてはノリコーン系整泡剤か一般的であり、そ
の配合量は上記ポリオール成分１００重量部に対して通
常０．５〜２．５重量部である。The foam stabilizer is generally a noricorn foam stabilizer, and the amount thereof is usually 0.5 to 2.5 parts by weight per 100 parts by weight of the polyol component.
以上の配合処方によって得られる発泡性組成物を所定の
形状を有する金型内へ充填し、加熱発泡成形させること
によって、優れた耐黄変性を有するポリウレタンフォー
ム、特に軟質のポリウレタンフォームか得られる。A polyurethane foam, particularly a flexible polyurethane foam, having excellent yellowing resistance can be obtained by filling the foamable composition obtained by the above-mentioned formulation into a mold having a predetermined shape and subjecting it to heat foam molding.
衷鳳男 以下、本発明を実施例によって説明する。Otori Otori Hereinafter, the present invention will be explained by examples.
実施例１
表−１の配合処方により、次の手順に従ってポリウレタ
ンフォームｌを製造しｔ二：
Ｒ液： ＰＰＧ１００分、酸化防止剤、紫外線吸収剤お
よびハイドロキノンの混合液
Ａ液：水、ノリコーン系整泡剤および３級アミン触媒の
混合液
触媒液：金属セッケン（オクチル酸スズ）Ｉ液：ＴＤＩ
８０／２０
上記の４成分系をミキシングヘッドを用いてｌショット
で混合フォーミングする。Example 1 Polyurethane foam 1 was manufactured according to the following procedure according to the formulation shown in Table 1. 2: Liquid R: A mixture of PPG 100 minutes, an antioxidant, an ultraviolet absorber, and hydroquinone. Liquid A: Water, noricorn-based formula. Mixed liquid of foaming agent and tertiary amine catalyst Catalyst liquid: Metal soap (tin octylate) I liquid: TDI
80/20 The above four-component system is mixed and formed in one shot using a mixing head.
得られたポリウレタンフォームｌをフェードメタ処理（
ＪＩＳ Ｌ−０８４２に準拠）および窒素酸化物によ
る暴露処理（ＪＩＳ Ｌ−０８５５に準拠）に付し、
黄変度をＪＩＳ Ｋ−７１０３に従って評価し、結果
をそれぞれ表−２および表３に示す。The obtained polyurethane foam l was subjected to fade meta treatment (
(based on JIS L-0842) and nitrogen oxide exposure treatment (based on JIS L-0855),
The degree of yellowing was evaluated according to JIS K-7103, and the results are shown in Table 2 and Table 3, respectively.
（以下、余白）
表
表
実施例２〜９
表−１の配合処方により、実施例１の手順に従ってそれ
ぞれポリウレタンフォーム２〜９を製造しｌ：。(Hereinafter, blank spaces) Table Examples 2 to 9 Polyurethane foams 2 to 9 were manufactured according to the formulation shown in Table 1 and according to the procedure of Example 1, respectively.
得られたポリウレタンフォーム２〜９の黄変度を実施例
１の場合と同様にして評価し、結果を表２および表−３
に示す。The degree of yellowing of the obtained polyurethane foams 2 to 9 was evaluated in the same manner as in Example 1, and the results are shown in Tables 2 and 3.
Shown below.
比較例１〜３
表−１の配合処方により、実施例１の手順に従ってそれ
ぞれポリウレタンフォームｌ′〜３′を製造しｔこ。Comparative Examples 1 to 3 Polyurethane foams 1' to 3' were produced according to the formulations shown in Table 1 and according to the procedure of Example 1, respectively.
得られたポリウレタンフォーム１′〜３″の黄変度を実
施例１の場合と同様にして評価し、結果を表−２および
表−３に示す。The degree of yellowing of the obtained polyurethane foams 1' to 3'' was evaluated in the same manner as in Example 1, and the results are shown in Tables 2 and 3.
発明の効果
本発明によれば、ポリウレタン構造に起因する経時的な
黄変をもたらすラジカル的連鎖反応が有効に抑制される
ので、すぐたれ耐黄変性を有するポリウレタンフォーム
が提供される。Effects of the Invention According to the present invention, a radical chain reaction that causes yellowing over time due to the polyurethane structure is effectively suppressed, so that a polyurethane foam having excellent resistance to yellowing due to sagging is provided.
Claims (1)
レタンフォーム用組成物を発泡成形することを特徴とす
るポリウレタンフォームの製法。 ２、ポリウレタンフォームが軟質ポリウレタンフォーム
である請求項１記載の方法。 ３、ポリウレタンフォーム用組成物がハイドロキノンを
、ポリオール成分１００重量部あたり０．２〜２．０重
量部含有する請求項１記載の方法。[Claims] 1. A method for producing polyurethane foam, which comprises foam-molding a polyurethane foam composition containing hydroquinone as an anti-yellowing agent. 2. The method according to claim 1, wherein the polyurethane foam is a flexible polyurethane foam. 3. The method according to claim 1, wherein the composition for polyurethane foam contains 0.2 to 2.0 parts by weight of hydroquinone per 100 parts by weight of the polyol component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693190A JPH0480256A (en) | 1990-07-23 | 1990-07-23 | Manufacturing method of polyurethane foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693190A JPH0480256A (en) | 1990-07-23 | 1990-07-23 | Manufacturing method of polyurethane foam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480256A true JPH0480256A (en) | 1992-03-13 |
Family
ID=16366044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19693190A Pending JPH0480256A (en) | 1990-07-23 | 1990-07-23 | Manufacturing method of polyurethane foam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480256A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980001997A (en) * | 1996-06-25 | 1998-03-30 | 황선두 | Polyol Composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749655A (en) * | 1980-09-09 | 1982-03-23 | Idemitsu Kosan Co Ltd | Polyurethane composition |
| JPS5749654A (en) * | 1980-09-09 | 1982-03-23 | Idemitsu Kosan Co Ltd | Polyurethane composition |
-
1990
- 1990-07-23 JP JP19693190A patent/JPH0480256A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749655A (en) * | 1980-09-09 | 1982-03-23 | Idemitsu Kosan Co Ltd | Polyurethane composition |
| JPS5749654A (en) * | 1980-09-09 | 1982-03-23 | Idemitsu Kosan Co Ltd | Polyurethane composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR980001997A (en) * | 1996-06-25 | 1998-03-30 | 황선두 | Polyol Composition |
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