TW574098B - Molded body made of polyurethane and process for its production - Google Patents

Molded body made of polyurethane and process for its production Download PDF

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Publication number
TW574098B
TW574098B TW89122870A TW89122870A TW574098B TW 574098 B TW574098 B TW 574098B TW 89122870 A TW89122870 A TW 89122870A TW 89122870 A TW89122870 A TW 89122870A TW 574098 B TW574098 B TW 574098B
Authority
TW
Taiwan
Prior art keywords
gel
polyurethane
isocyanate
molded body
functional group
Prior art date
Application number
TW89122870A
Other languages
English (en)
Inventor
Peter Gansen
Massimo Losio
Original Assignee
Technogel Gmbh & Co Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Technogel Gmbh & Co Kg filed Critical Technogel Gmbh & Co Kg
Application granted granted Critical
Publication of TW574098B publication Critical patent/TW574098B/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/20Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/04Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/40Layered products comprising a layer of synthetic resin comprising polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • B32B9/025Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch comprising leather
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/046Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/58Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00Composition of foam
    • B32B2266/02Organic
    • B32B2266/0214Materials belonging to B32B27/00
    • B32B2266/0278Polyurethane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2327/00Polyvinylhalogenides
    • B32B2327/06PVC, i.e. polyvinylchloride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2375/00Polyureas; Polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2601/00Upholstery
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/249921Web or sheet containing structurally defined element or component
    • Y10T428/249953Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249987With nonvoid component of specified composition
    • Y10T428/249988Of about the same composition as, and adjacent to, the void-containing component
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31554Next to second layer of polyamidoester
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31558Next to animal skin or membrane

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Molding Of Porous Articles (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Materials For Medical Uses (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Springs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Description

574098 A7 五、發明說明(丨) 本發明關於一種聚胺基甲酸酯製的模製體,特別是坐 墊’以及其製造方法,製造此模製體的方法包含模鑄程序 範疇中的數種不同變更方式。 聚胺基甲酸酯(Polyurethan)呈各種不同型態使用,各 見於應用領域。舉例而言,聚胺基甲酸酯係習用於護塾傢 倶、座椅(特別是汽車坐椅)及坐墊。如果這些材料用在 坐椅範圍,則該材料係呈模製部件方式或由大塊材料 (Block)切下而使用。 在汽車業界,舉例而言,目前所有車子有80%以設有 聚胺基甲酸酯發泡體構成的坐墊。這種坐墊的舒適性有日寺 被評定爲負面者。 同樣地,聚胺基甲酸酯構成的凝膠體也被習用於坐g 〇 歐洲專利EP 57838提到一種凝膠體,用於避免褥瘡 (Dekubitus)。其特點爲低的特性數(Kennzahl),亦即所謂白勺 「低交聯」(Untervernetzung)。它們係藉著把一種聚異氰 酸酯與長鏈多元醇(它們不能含短鏈成份)作用而製成。這 種由聚胺基甲酸酯原料製的形狀穩定的凝膠體可用於做彈 簧床墊、彈簧床墊襯層,汽車坐墊、與護墊傢倶。 歐洲專利EP 51 1570提到具有低特性數由多元醇與聚 異氰酸酯構成之改良式凝膠體,它由長鏈及短鏈的聚醚製 造。其可能之用途爲:鞋墊、腳踏車座位墊及座位面上的 墊,避免及防止受傷的表墊層,面具及馬鞍下方的墊件。 由純凝膠體製的坐墊的偏大重量及偏高的熱容量爲其 _ _3______ 本纸張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) {請先閱讀背面之注音?事項再填寫本頁} --------訂---------線 j 574098 B7 五、發明說明(,) 缺點。熱容量大,坐在上面會覺得冷,因爲它會吸走大量 體溫才能使整個坐墊變暖。 (請先閱讀背面之注意事項再填寫本頁) 本發明的目的在克服上述背景技術的缺點,且特別是 將模製體沿負荷方向的彈性及緩衝性質與舒服的坐的舒適 性結合。 要達成這種目的,依本發明,係提供一種聚胺基甲酸 酯的模製體,它由至少二種不同的聚胺基甲酸酯材料組成 ,亦即由至少一種聚胺基甲酸酯凝膠體(Gel)及至少一種聚 胺基甲酸發泡體構成,該凝膠體與發泡體位在模製體中至 少二個不同空間區域中,其中這些材料係在製造胺基甲酸 酯時由於其具有之粘著性著而互接合。 此模製體可用一種模鑄程序在一習知模具(例如在製發 泡體所用者)而製造。在本發明的模製體中所組合的複合材 料用最適虽的方式結合了個別材料的彈警性暂租緩衝性暂 ,因此在坐的舒適性方面造成重大的進步。各種不同的= 料也可作不同方式(例如多層式)的排列。也可在局部作 不同的排列,舉例而言,可將一種材料只設在坐位面高度 的區域,可各依所要性質有利地作選擇及應用。 叉 此f旲製體宜包含一蓋層,它特別是不能被該 酸凝膠體透過。 ^ 此盖-可由一種箔片(特別是〜種聚胺基甲酸酯箱片 、一種聚氯化乙烯箱片)或由皮革H坊織品材 如一種微纖維材料構成。基本上各種不同之可延伸的材」 都適合做箔片材料。 574098 A/ _B^__ _ _ _ r———— 五、發明說明(3 ) 在本發明一較佳實施例中,該聚胺基甲酸酯發泡體與 聚胺基甲酸酯凝膠體重疊設成至少二個層,因此該發泡體 與凝膠體互相層疊成一整個彈簧或緩衝元件,可對抗橫方 向的負荷。 在個別實施例中,一凝膠體層可至少部分地被發泡體 包圍住,或一發泡體塊可至少部分地被〜凝膠體包圍住。 在本發明的進一步的特色中,模製體設計成坐墊,其 中宜至少在座位面的那一側另外有一紡織材料的蓋層。這 點特別是在作後發泡作用的場合使用〜箔片時尤其適用, 在此情形中,該墊一般稍後蓋上去。 如果在本發明此實施例中另外使用紡織品材料,則它 們在向凝膠體那一面封閉成真空密封。因此在簡單而較粗 的紡織品場合,就不能使用紡織品蓋材料直接做蓋層,因 爲仍會流動的凝膠體材料會受阻,不能進入紡織品材料中 。一種可用之坊織品蓋材料的例子有由熱塑性聚胺基甲酸 酯的箔片或是氣室封閉之切下的聚胺基甲酸酯發泡體材料 0 要製造此聚fee基甲酸酯發泡體材料,係將一般的多元 醇與聚胺基甲酸酯互相反應,加工技術與典型的原料的例 子舉例而g ’ 在 G. Oertel 的“Polyurethane Handbook,,中發 表。 要製造凝膠體,可使用原料,例如在歐洲專利EP 57838及EP5 1 1570中所述者。 本發明之製造聚胺基甲酸酯模製體的方法的特徵在: 適用Tg國家標準(CNS)A4規格(210 X 297公爱) ^ --- --------------------訂--------- (請先閱讀背面之注意事項再填寫本頁) 574098 B7 五、發明說明(4 ) 在一模鑄程序中由一種聚胺基甲酸酯凝膠體物料及一種可 發泡的聚胺基甲酸酯反應混合物製造一種模製體,其中該 二種物料在發泡及硬化時互相接合在一起。 對於所製之模製體特別有利的一點爲:由二種不同聚 胺基甲酸酯構成的夾心結構最適當地利用了适種材料的米占 著性質。 這些材料宜崔鑄到一蓋層上,該蓋層係先襯覆到模i 中,或將蓋層施到製成的複合材料上。 如果想要的話,可將製成的模製體隨後再覆上另一罕重 材料。 在一實施例中,該方法的實施方式使一種由多元醇與 聚異氰酸酯剛製成的混合物當作癡膠體物料放入一個襯覆 了一蓋層的模具中,然後覆上一種聚胺基甲酸酯原料(用 於製發泡體者)到該凝膠體層上,且在模具中保持物料的 發泡及硬化的條件。 依此方法另一實施例,可將一預製的凝膠層放入該模 具(它宜覆有一蓋層)中,然後施一種聚胺基甲酸酯原料 混合物(用於製造發泡體者),接著以一般方式維持發泡 及硬化的條件(亦即在一定溫度起伏曲線維持一定的駐留 時間)。 舉例而言,預製的凝膠體層可施到模底或固定在模蓋 上。 在另一種變更的實施例中,也可將一預製的發泡材料 塊放入模具中,然後將模具用一種凝膠體物料充滿,並維 _ ______6_ 本紙張尺度適用中&國家&準(CNS)A4規格(21〇x 297公釐) '^ Γ 请先閱讀背面之注意事項再填寫本頁) 訂---------線一 574098 A7 -—__2Z-—_ 五、發明說明() (d)還可有聚胺基甲酸酯化學上所習知之塡充料及/或 添加物, 其中成份(bi)對成份(b2)的比例在90 : 10到1〇 : 90之 間,該反應混合物的異氰酸特性値在15〜59.18範圍,而 異氰酸基官能基値與多元醇成份的官能基酯的乘積至少 6.15,其中異氰酸酯官能基値在1〜4間,而多元醇成份的 官能基値在2〜8之間。 用於製造凝膠體的多元醇成份宜由一種或數種多元醇 構成,其分子量在1000〜12〇00之間,其ΟΗ數在2〇〜 112之間,其中該形成聚胺基甲酸酯的成份的官能基値至 少,而異氰酸酯特性値在15〜60之間。 製造凝膠體,所用之異氰酸酯宜具以下式子: Q(NCO)n 其中η表TjK 2〜4 Q爲C8〜C18的脂肪族烴游離基、C4〜C15的聚脂肪族烴游 離基、C8〜C15的芳香族烴的游離基。此異氰酸酯可呈純粹 形成或一般的異氰酸酯變更形式[例如異氰酸酯化、脲基甲 酸化(Allophantisierung)或双縮脲化]使用。 以下利用實施詳細說明本發明。 在本發明一實施例中,將一箔片或一紡織品(它設有 一真空密封之箔片)深拉伸到一座位模中,此模的下側以 後將是座墊的坐面處。然後將一種由多元醇及聚異氰酸酯 構成之剛製的混合物呈流動狀放入此凝膠體起始材料在充 塡後完全地或部分地蓋住座位面。在此混合物完全或部分 ---1--------· I------訂--------- (請先閱讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 574098 A7 五、發明說明(1 ) 者)放入該模中。此混合物發泡模的被封入模中,且在硬 化時間(一般長可達十分鐘)之後將完成的坐墊從模具拿 掉。 在本發明另一實施例中,該聚胺基甲酸酯凝膠體係分 別製造,且呈形狀穩定的凝膠體形式呈一件或一部段方式 放入模具中。將此凝膠體在箔片上或在該施覆的紡織品上 定位。在模中發泡後,此凝膠體利用聚胺基甲酸酯發泡體 固定在坐位面的一定位置。因此該凝膠體可依標的改善舒 適性,在此實施例中,也可將一凝膠體墊定位在模蓋上。 如此在發泡後它位在下方。如此坐到一發泡體中的感覺和 該聚胺基甲酸酯凝膠體的分配壓力的性質有利地結合。 在本發明一第三實施例中,將一切開之聚胺基甲酸酯 發泡體與該凝膠體利用該反應之凝膠體互相接合。舉例而 言,達成這種接合作用的作法,係將該凝膠體鑄成一片深 拉伸的箔片或一真空密封的紡織品上,然後將發泡體放到 未完全反應掉的凝膠體上,當完全反應時,凝膠體與發泡 體密切接合。 (請先閱讀背面之注意事項再填寫本頁) ---11---訂·-------- ____9 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)

Claims (1)

  1. A8B8C8D8 574098 77、申請專利範圍 其特徵在: 在一模鑄程序中,由一種聚胺基甲酸酯凝膠體物料及 〜種可發泡之聚胺基甲酸酯反應混合物製造一種模製體, 其中該二種物料在發泡及硬化時互相接合。 9. 如申請專利範圍第8項之方法,其中: 該材料鑄到一蓋層上(特別是一箔片上)或將此蓋層放 在該複合材料上。 10. 如申請專利範圍第8或第9項之方法,其中: 把一種由多元醇與聚異氰酸酯構成之剛製之混合物當 作凝膠體物料放入一個覆以一蓋層的模具(該模具由一模 底及一模蓋構成),然後將一種用於製發泡體的聚胺基甲 酸酯原料混合物施到該凝膠體層上,並在模具中保持該物 料的發泡及硬化的條件。 11. 如申請專利範圍第8項之方法,其中: 將一預製之凝膠體層放入該模具中,該模具宜設有一 蓋層,然後將一種用於製發泡體的聚胺基甲酸酯原料反應 混合物施加上去,然後保持該模製體的發泡及硬化的條件 〇 12. 如申請專利範圍第8或第9項之方法,其中: 該預製之凝膠層放到模底或固定在模蓋上。 13. 如申請專利範圍第8或第9項之方法,其中: 將一種預製之發泡體塊放入該模具中,爲該模具用一 種凝膠體物料充塡且保持由該凝膠體物料製造聚胺基甲酸 酯的反應條件。 2 氏張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)~_ il·..................豐·..............訂................秦 (請先閲讀背面之注意事項再塡寫本頁) 574098 B8 C8 D8 六、申請專利範圍 14.如申請專利範圍第8或第9項之方法,其中: (請先閱讀背面之注意事項再填寫本頁) 該凝膠體物料利用一種原料製造,該原料之異氰酸酯 官能基値與多元醇成分之官能基値至少5.2。 15·如申請專利範圍第8項之方法,其中: 該用於製造該凝膠體的多元醇成分由以下組成的混合 物構成: (a) —種或數種羥基數在112以下的多元醇,及 (b) —種或數種羥基數在112〜600範圍的多元醇 其中,成份⑷對成份(b)的重量比例在90 : 10到10 : 9〇之間,反應混合物的異氰酸酯特性値在15〜59.81範圍 ,而異氰酸基官能基値與多元醇成份的官能基値乘積至少 6.15,其中異氰酸基官能基値在1〜4間,而多元醇成份官 能基値在2〜8之間。 16.如申請專利範圍第8項之方法,其中: 製造凝膠體的原料由以下成份構成: (a) —種或數種異氰酸酯成份,及 (b) —種多元醇成份,由以下二部分(bl)(b2)組成: ——一種或數種多元醇(bl),其羥基數在112以下 ——一種或數種多元醇(M),其羥基數在II2〜600 範圍,及 (c) 還可有一種催化劑,以催化異氰酸基及羥基之間的 反應,及 (d) 還可有聚胺基甲酸酯化學上所習知之塡充料及/或 用中國國家標準(CNS)A4規格(210 X 297公爱) 574098 A8 B8 C8 D8 六、申請專利範圍 添加物, 其中成份(bj對成份(b2)的比例在90 : 10到10 : 90之 間’該反應混合物的異氰酸特性値在15〜59.18範圍,而 異氰酸基官能基値與多元醇成份的官能基値的乘積至少 6.15,其中異氰酸酯官能基値在丨〜4之間,而多元醇成份 官能基値在2〜8之間。 Π_如申請專利範圍第8項之方法,其中: 用於製造凝膠體的多元醇成份宜由一種或數種多元醇 構成,其分子量在1000〜12000之間,其〇H數在20〜 112之間,其中該形成聚胺基甲酸酯的成份的官能基値至 少5.2,而異氰酸基數在15〜60之間。 18·如申請專利範圍第8項之方法,其中: 製造凝膠體,所用之異氰酸酯宜具以下式子: Q(NC〇)n 其中η表示2〜4 Q爲C8〜C18的脂肪族烴游離基、C4〜C15的聚脂肪族烴游 離基、C8〜C15的芳香族烴的游離基,此異氰酸酯可呈純粹 形成或一般的異氰酸酯變更形式[例如異氰酸酯化、脲基甲 酸化(Allophantisierung)或双縮脲化]。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) !"!!.........................丨-訂............IM9 (請先閱讀背面之注意事項再填寫本頁) 甲-矿ΈΓ期- -SUM 案 號 類 別 以上各欄由本局填註) A4 C4 574098 翁I專 利説明書 修正本 中 文 發明 新型 名稱 聚胺基甲酸酯製的模製體及其製造方法 英 文 Molded body made of polyurethane and process for its production 姓 名 國 籍 發明 創作 人 ⑴彼得·甘森 ⑵馬西摩.羅西歐 ⑴德國 ⑵摩洛哥 裝 住、居所 ⑴德國D-37136湖堡,史坦貝格49號 (2)摩納哥MC-98011,西托尼瑞大道2號 訂 姓 名 (名稱) 國 籍 技術凝膠股份有限公司&兩合公司 德國 線 申請人 住、居所 (事務所) 代表人 姓 名 德國D-37115杜德市,馬克斯-涅德街15號 尤根亨徹 本纸張尺度適用中國國家標準(CNS ) A4規格(210xt97公釐)
    574098 __ B7 五、發明說明() 持由該凝膠體物料製造聚胺基甲酸凝膠體的反應條件。 此聚胺基甲酸酯凝膠體宜用一種原料製造,該原料的 異氰酸酯之官能基値(官能度’官能性質)(Funktionalitat ; 英:functionality)及多元醇成份的官能基値宜爲至少5.2, 尤宜至少6.5,最好至少7.5。 在較佳的實施例中,該用於製造該凝膠體的多元醇成 分由以下組成的混合物構成: (a) —種或數種羥基數在112以下的多元醇,及 (b) —種或數種羥基數在112〜600範圍的多元醇 其中,成份⑻對成份⑻的重量比例在90 : 10到10 : 90之間,反應混合物的異氰酸酯特性値在15〜59.81範圍 ,而異氰酸酯官能基値與多元醇成份的官能基値的乘積至 少6.15,其中異氰酸酯官能基値在1〜4間,而多元醇成份 的官能基値在2〜8之間。 在另一特別實施例中,製造凝膠體的原料由以下成份 構成: (a) —種或數種異氰酸酯成份,及 (b) —種多元醇成份,由以下二部分(bl)(b2)組成: 一一 一種或數種多元醇(bl),其羥基數在112以下 j 一一 一種或數種多元醇(bl),其羥基數在112〜600 範圍,及 (c) 還可有一種催化劑,以催化異氰酸基及羥基之間的 反應,及 Γ%先閱讀背面之;ttit事項再填寫本頁) ▼裝---丨一訂--- i. 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 574098f α Α8 Β8 C8 D8
    六、申請專利範圍 1. 一種聚胺基甲酸酯製的模製體,其特徵在: (請先閲讀背面之注意事項再塡寫本頁) 它由至少二個不同的聚胺基甲酸酯材料製成,亦即至 少一種聚胺基甲酸酯凝膠體及至少一種聚胺基甲酸酯發泡 體,二者位在該模製體的至少二個不同之空間區域,其中 該材料利用製造胺基甲酸酯時所具有的粘著性而互相結合 Ο 2. 如申請專利範圍第1項之模製體,其中: 該模製體有一外蓋層:它特別不讓該聚胺基甲酸酯凝 膠體透過。 3. 如申請專利範圍1或第2項之模製體,其中: 該聚胺基甲酸酯發泡體與聚胺基甲酸酯凝膠基體呈至 少二層重疊設置。 4. 如申請專利範圍1或第2項之模製體,其中: 一凝膠體層至少有一部分被發泡體包圍,或一發泡體 塊至少有一部分被一種凝膠體包圍。 5. 如申請專利範圍第2項之模製體,其中: 該蓋層由一種箔片(特別是一種聚胺基甲酸酯箔片、一 種聚氯化乙烯箔片)或由皮革或一種紡織品。 6. 如申請專利範圍1或第2項之模製體,其中: 該模製體爲一種坐墊。 7. 如申請專利範圍第6項之模製體,其中: 該坐墊上至少在坐面高度那一邊另外有一紡織品蓋層 8.—種製造如申請專利範圍第1項的模製體的方法 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
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