JPH11207758A - Fiber reinforced polyurethane foam having decorative surface and its production - Google Patents
Fiber reinforced polyurethane foam having decorative surface and its productionInfo
- Publication number
- JPH11207758A JPH11207758A JP10015573A JP1557398A JPH11207758A JP H11207758 A JPH11207758 A JP H11207758A JP 10015573 A JP10015573 A JP 10015573A JP 1557398 A JP1557398 A JP 1557398A JP H11207758 A JPH11207758 A JP H11207758A
- Authority
- JP
- Japan
- Prior art keywords
- film
- fiber
- polyurethane foam
- polyester film
- decorative surface
- 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
Landscapes
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、繊維強化ポリウレ
タンフォーム及びその製造方法に関し、更に詳しくは、
主として浴槽のように湿度の高い室内で用いる内装材に
適した化粧面を有する繊維強化ポリウレタンフォーム及
びその製造方法に関するものである。The present invention relates to a fiber-reinforced polyurethane foam and a method for producing the same, and more particularly, to a fiber-reinforced polyurethane foam and a method for producing the same.
The present invention relates to a fiber-reinforced polyurethane foam having a decorative surface suitable for an interior material used mainly in a room with high humidity such as a bathtub, and a method for producing the same.
【０００２】[0002]
【従来の技術】従来、浴槽のように湿度の高い室内で用
いる内装材としてはタイル、化粧面を有する繊維強化プ
ラスチック（以下ＦＲＰと省略する）、化粧鋼板等が提
供されている。しかし、タイルはユニット化が難しく、
現場作業となるため工期が長くなり、しかも、肌触りが
冷たく、目地が汚れ易く、ひび割れも生じ易いという間
題がある。2. Description of the Related Art Conventionally, tiles, fiber-reinforced plastics having a decorative surface (hereinafter abbreviated as FRP), decorative steel plates, and the like have been provided as interior materials used in high humidity rooms such as bathtubs. However, tiles are difficult to unitize,
Since it is an on-site work, the work period is prolonged, and there is a problem that the feel is cold, the joint is easily stained, and cracks are easily generated.
【０００３】一方、化粧面を有するＦＲＰと化粧鋼板を
用いたものはタイルの欠点はない。しかし、化粧面を有
するＦＲＰは外観に重厚感が無いため意匠性を高める開
発がおこなわれている。[0003] On the other hand, tiles using FRP having decorative surfaces and decorative steel plates do not have the drawbacks of tiles. However, FRP having a decorative surface does not have a profound feeling in appearance, and thus development has been conducted to enhance design.
【０００４】化粧鋼板は塩化ビニル樹脂フィルム（以下
ＰＶＣフィルムと省略する）で表面を被覆した化粧鋼板
が内装建材として広く使用されている。ＰＶＣフィルム
は着色し易く加工性に優れ意匠性を付与し易いが、表面
硬度が十分でないため傷付き易く、また汚染され易い欠
点を有する。ＰＶＣフィルムの表面硬度の低さを改良す
るために、透明なポリエチレンテレフタレート樹脂フィ
ルム（以下ＰＥＴフィルムと略称する）を着色模様付き
ＰＶＣフィルムの上に積層した複合フィルムを鋼板の表
面にラミネートすることによって化粧鋼板を製造する方
法が提案されている（例えぱ特開昭６３−２８０６２７
号公報）。最近では、高意匠性の要請から、印刷適性の
良いＰＶＣフィルムにトッププリントし、これにＰＥＴ
フィルムを積層した複合フィルムをラミネートした化粧
鋼板が使用されてきている。しかし、化粧鋼板は鋼板が
腐食する欠点を有している。A decorative steel sheet whose surface is covered with a vinyl chloride resin film (hereinafter abbreviated as PVC film) is widely used as an interior building material. A PVC film is easy to be colored, has excellent workability, and is easy to impart design, but has a defect that it is easily scratched due to insufficient surface hardness and easily contaminated. In order to improve the low surface hardness of the PVC film, a composite film in which a transparent polyethylene terephthalate resin film (hereinafter abbreviated as PET film) is laminated on a colored PVC film is laminated on the surface of the steel sheet. A method of manufacturing a decorative steel sheet has been proposed (for example, see Japanese Patent Application Laid-Open No. 63-280627).
No.). Recently, due to the demand for high designability, top prints were made on PVC films with good printability, and PET
2. Description of the Related Art A decorative steel sheet obtained by laminating a composite film obtained by laminating films has been used. However, decorative steel plates have the disadvantage that the steel plates corrode.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、高意匠性を
有し、腐食しにくい内装用建材として有用で、しかも、
「そり」、「ゆがみ」の生じないポリウレタンフォーム
及びその製造法を提供するものである。DISCLOSURE OF THE INVENTION The present invention is useful as a building material for interiors having high design properties and resistant to corrosion.
An object of the present invention is to provide a polyurethane foam free from "warpage" and "distortion" and a method for producing the same.
【０００６】[0006]
【課題を解決するための手段】本発明は、裏面印刷され
た透明性ポリエステルフィルムと空洞含有ポリエステル
フィルムを積層してなる複合フィルムを化粧面に有する
繊維強化ポリウレタンフォームに関する。本発明は、ま
た、成形型のキャビテイに裏面印刷された透明性ポリエ
ステルフィルムと空洞含有ポリエステルフィルムを積層
してなる複合フィルムと繊維補強材を置き当該キャビテ
イ内にポリウレタン樹脂組成物を注入して繊維強化材内
に含浸発泡硬化させることを特徴とする化粧面に有する
繊維強化ポリウレタンフォームの製造方法に関する。SUMMARY OF THE INVENTION The present invention relates to a fiber-reinforced polyurethane foam having, on a decorative surface, a composite film formed by laminating a transparent polyester film and a void-containing polyester film printed on the back side. The present invention also provides a composite film formed by laminating a transparent polyester film and a void-containing polyester film printed on the back side in a cavity of a mold, a fiber reinforcing material, and a polyurethane resin composition injected into the cavity to obtain a fiber. The present invention relates to a method for producing a fiber-reinforced polyurethane foam having a decorative surface, characterized by impregnating, foaming and curing a reinforcing material.
【０００７】[0007]
【発明の実施の形態】図１は本発明に用いる複合フィル
ムの正面図である。複合フィルム１は裏面印刷された透
明性ポリエステルフィルム１ａと空洞含有ポリエステル
フィルム１ｂおよびそれを貼り合わせる接着剤１ｃより
構成される。FIG. 1 is a front view of a composite film used in the present invention. The composite film 1 is composed of a transparent polyester film 1a printed on the back side, a void-containing polyester film 1b, and an adhesive 1c for bonding the same.
【０００８】本発明の透明性ポリエステルフィルムとし
ては、テレフタル酸とエチレングリコールとの縮重合に
より得られるポリエチレンテレフタレート樹脂（以下、
ＰＥＴという）を製膜延伸加工（二軸延伸）してフィル
ムにした透明性ＰＥＴフィルムが好ましく、特に、可視
光線透過率が８０％以上であるものが好ましい。As the transparent polyester film of the present invention, a polyethylene terephthalate resin (hereinafter, referred to as “polyethylene terephthalate”) obtained by condensation polymerization of terephthalic acid and ethylene glycol is used.
PET) is preferably a transparent PET film formed by film-forming and stretching (biaxial stretching) to form a film, and particularly preferably a film having a visible light transmittance of 80% or more.
【０００９】透明性ポリエステルフィルムの厚さは１０
μｍ以上であることが好ましい。このフィルムが薄すぎ
ると繊維強化ポリウレタンフォーム部分と一体化したと
きにゆがみが発生しやすくなる傾向があり、また、意匠
性を高めるために裏面に印刷した絵模様に深みが低下す
る傾向がある。逆に、このフィルムは厚くてもよいが、
厚すぎるとコストに高価になる。厚さは３００μｍ以下
で十分である。[0009] The thickness of the transparent polyester film is 10
It is preferably at least μm. If the film is too thin, distortion tends to occur when integrated with the fiber-reinforced polyurethane foam portion, and the depth of the picture printed on the back surface tends to decrease in order to enhance the design. Conversely, this film can be thick,
If it is too thick, it will be expensive. A thickness of 300 μm or less is sufficient.
【００１０】透明性ポリエステルフィルムの裏面には意
匠性を高めるために絵模様が印刷される。印刷インキと
のヌレ性を高める接着性改善処理としてコロナ放電処理
を行っておくことが好ましい。[0010] On the back side of the transparent polyester film, a picture is printed to enhance the design. It is preferable to perform corona discharge treatment as an adhesion improving treatment for increasing wettability with the printing ink.
【００１１】本発明に用いる空洞合有ポリエステルフィ
ルムはポリエステルの製膜延伸加工時にボイド発生機構
を利用して内部に空洞を含有するようにした二軸延伸フ
ィルムである。材質としてはＰＥＴが好ましい。空洞含
有量により密度が変わるが、本発明に利用する空洞合有
ポリエステルフィルムの密度は１．２g/cm3以下のもの
が好ましい。これ以上の密度のフィルムでは成形品の
「そり」、「ゆがみ」を発生させる力を緩衝させること
が出来ない。The void-containing polyester film used in the present invention is a biaxially stretched film in which voids are contained by utilizing a void generation mechanism at the time of forming and stretching polyester. PET is preferable as the material. Although the density varies depending on the void content, the density of the void-containing polyester film used in the present invention is preferably 1.2 g / cm 3 or less. With a film having a density higher than this, it is not possible to buffer the force that causes "warpage" and "distortion" of the molded product.
【００１２】空洞含有ポリエステルフィルムの厚さは、
透明性ポリエステルフィルムと同様範囲の厚さのものが
好ましく、特に、透明性ポリエステルフィルムと同じ厚
さのものを使用することが好ましい。空洞合有ポリエス
テルフィルムの両面は接着性改善としてコロナ放電処理
がなされていることが好ましい。The thickness of the void-containing polyester film is as follows:
A film having a thickness in the same range as the transparent polyester film is preferable, and a film having the same thickness as the transparent polyester film is particularly preferably used. It is preferable that both sides of the hollow composite polyester film have been subjected to corona discharge treatment for improving the adhesiveness.
【００１３】本発明においては、透明性ポリエステルフ
ィルムと空洞含有ポリエステルフィルムは前者の印刷面
が空洞含有ポリエステルフィルムに合わせるように張り
合わせ積層して用いられる。張り合わせ方法は特に限定
されないが接着剤を用いドライラミネートすることが好
ましい。接着力は９０度の剥離力で約１０００ｇ／２５
mm以上あることが好ましい。これ以下では、透明性ポリ
エステルフィルムと空洞合有ポリエステルフィルムの剥
離不良が発生しやすくなる。接着剤は限定されないが、
ＰＥＴフィルムを主要成分とした貼合わせ用接着に優れ
た接着力を有する非結晶性の線状飽和ポリエステル樹脂
が好ましい。In the present invention, the transparent polyester film and the void-containing polyester film are laminated and laminated so that the former printed surface matches the void-containing polyester film. The bonding method is not particularly limited, but dry lamination using an adhesive is preferred. Adhesion is about 1000g / 25 with 90 degree peeling force
It is preferably at least mm. Below this, poor peeling between the transparent polyester film and the void-containing polyester film is likely to occur. The adhesive is not limited,
A non-crystalline, linear, saturated polyester resin having excellent adhesive strength for laminating adhesion using a PET film as a main component is preferable.
【００１４】本発明に用いる繊維強化材としては、ガラ
ス繊維、カーボン繊維、アラミド繊維、ポリエステル繊
維、ビニロン繊維等の無機、有機繊維等が用いられ、繊
維の状態にも制限はなく、例えばコンテニュアスマッ
ト、チョップストランドマット等のマット状、クロス
状、連続繊維状、ロービング等のロービング状などいず
れの状態でもよいが、ウレタン樹脂の含浸性がよく、補
強効果の優れたガラス繊維であるコンテニュアスマット
が好ましい。As the fiber reinforcing material used in the present invention, inorganic or organic fibers such as glass fiber, carbon fiber, aramid fiber, polyester fiber and vinylon fiber are used, and the state of the fiber is not limited. It may be in any form such as mat form such as asmat, chop strand mat, cross form, continuous fiber form, roving form such as roving, etc., but it is a continuous mat which is a glass fiber with good impregnation of urethane resin and excellent reinforcing effect. Is preferred.
【００１５】本発明において使用するポリウレタン樹脂
は、ポリエステルポリオール、ポリエーテルポリオー
ル、ポリカーボネートポリオール、等のポリオール成
分、トリレンジイソシアネート、ジフェニルメタンジイ
ソシアネート（ＭＤＩ）、ポリメックＭＤＩ（ポリメチ
レンポリフェニレンポリイソシアネート）等のポリイソ
シアネート成分、アミン／錫系等の触媒、高活性シリコ
ン等の製泡剤及び水やフロンー１１等の発泡剤からな
り、更に必要に応じて添加剤として顔料や難燃剤等を含
くむ発泡性ポリウレタン樹脂組成物が用いられる。繊維
強化材としてガラスコンテニュアスマットを用いた場合
の本発明の繊維強化ウレタンフォームの成形密度は０．
３５〜０．５５g/cm3の範囲が好ましい。また、繊維強
化剤とウレタン樹脂組成物の総量に対して、ガラスコン
テニュアスの合有量は１５〜４０重量％の範囲が好まし
い。成形密度が低いと、機械強度が低くなり、本発明品
への釘うち、ネジ止めなどによる部晶の取付等が困難と
なる。また密度が高くなると軽量でなくなり、またコス
ト的にも高くなる。本発明の繊維強化ウレタンフォーム
の厚みは３〜３０mmの範囲が好ましい。The polyurethane resin used in the present invention includes polyol components such as polyester polyol, polyether polyol and polycarbonate polyol, and polyisocyanates such as tolylene diisocyanate, diphenylmethane diisocyanate (MDI) and Polymec MDI (polymethylene polyphenylene polyisocyanate). A foamable polyurethane resin comprising components, a catalyst such as an amine / tin system, a foaming agent such as highly active silicon, and a foaming agent such as water and Freon-11, and further containing a pigment or a flame retardant as an additive if necessary. A composition is used. When a glass continuous mat is used as the fiber reinforcing material, the molding density of the fiber-reinforced urethane foam of the present invention is 0.1%.
The range is preferably from 35 to 0.55 g / cm 3 . Further, the combined amount of the glass continuous is preferably in the range of 15 to 40% by weight based on the total amount of the fiber reinforcing agent and the urethane resin composition. If the molding density is low, the mechanical strength will be low, and it will be difficult to attach a crystal to the product of the present invention by screwing or the like. Also, when the density is increased, the weight is not reduced, and the cost is increased. The thickness of the fiber-reinforced urethane foam of the present invention is preferably in the range of 3 to 30 mm.
【００１６】図２は本発明における繊維強化ポリウレタ
ンフォームの製造に際し、型締め前の状態を示す断面模
式図であり、図３は本発明における繊維強化ポリウレタ
ンフォームの製造に際し、型締め後の状態を示す断面模
式図である。本発明における繊維強化ポリウレタンフォ
ームは、図２、図３に示すように、成形型５の下型５ａ
のキャビテイに複合フィルム１を透明性ポリエステルフ
ィルム１ａを下にして置き、その上に繊維補強材２を置
き当該キャビテイ内にポリウレタン樹脂組成物３を注入
して図３のように成形型５の上型５ｂを閉じて繊維強化
材内で、ポリウレタン樹脂組成物３を繊維補強材２及び
複合フィルム１の空洞含有ポリエステルフィルム１ｂに
含浸発泡及び硬化させる。硬化後に、該成形型を開き、
成形品を取り出す。成形品は必要に応じ所定サイズに切
断して使用する。成形型５の下型５ａは、好ましくは３
０〜７０℃に温度調整されている。FIG. 2 is a schematic cross-sectional view showing a state before mold clamping in producing the fiber reinforced polyurethane foam of the present invention. FIG. 3 is a view showing a state after mold clamping in producing the fiber reinforced polyurethane foam of the present invention. FIG. As shown in FIGS. 2 and 3, the fiber-reinforced polyurethane foam according to the present invention comprises a lower mold 5a of a molding die 5.
The composite film 1 is placed in the cavity with the transparent polyester film 1a facing down, the fiber reinforcing material 2 is placed thereon, and the polyurethane resin composition 3 is injected into the cavity, and the mold is placed on the mold 5 as shown in FIG. The mold 5b is closed, and the polyurethane resin composition 3 is impregnated, foamed, and cured in the fiber reinforcement 2 and the void-containing polyester film 1b of the composite film 1 in the fiber reinforcement. After curing, open the mold,
Take out the molded product. The molded article is cut to a predetermined size as needed. The lower mold 5a of the molding die 5 is preferably 3
The temperature is adjusted to 0 to 70 ° C.
【００１７】[0017]
【作用】透明性ポリエステルフィルムと一体となった繊
維強化ポリウレタンフォームの「そり」、「ゆがみ」
は、ポリウレタン樹脂組成物を発泡硬化させるときに発
生する熱による熱膨張収縮、硬化収縮、および繊維強化
ポリウレタンフォームと透明性ポリエステルフィルムと
の熱膨張率の差などに起囚する力が発生するためと考え
られる。この影響をなくし、「そり」、「ゆがみ」のな
い最終成形品を得るために、本発明では、透明性ポリエ
ステルフィルムと繊維強化ポリウレタンフォーム部分と
の界面にその力を緩衝させる空洞含有ＰＥＴフィルムを
介在させるものである。[Action] Fiber-reinforced polyurethane foam integrated with a transparent polyester film "Sledding" and "Distortion"
Is generated due to the thermal expansion and contraction due to the heat generated when foaming and curing the polyurethane resin composition, the curing shrinkage, and the force generated due to the difference in the coefficient of thermal expansion between the fiber-reinforced polyurethane foam and the transparent polyester film. it is conceivable that. In order to eliminate this effect and obtain a final molded product without "warp" and "distortion", the present invention uses a void-containing PET film at the interface between the transparent polyester film and the fiber-reinforced polyurethane foam part to buffer the force. It is to intervene.
【００１８】[0018]
【実施例】以下、本発明を実施例により詳しく説明す
る。 実施例１ （Ａ）成形材料の準備 （イ）複合フィルム 片面をコロナ処理した透明性ＰＥＴフィルム（Ｅ５１０
１フィルム−１８８、二軸延伸ＰＥＴフィルム、厚さ１
８８μｍ、東洋紡(株)製）にＵＶインキを用いて大理石
模様をスクリーン印刷した。両面コロナ処理した空洞含
有ＰＥＴフィルム（クリスパー白Ｇ１２１２−１８８、
厚さ１８８μｍ、軸延伸気泡含有ＰＥＴフィルム、密度
１．１g/cm3、東洋紡(株)製）を準備した。空洞含有Ｐ
ＥＴフィルムにドライラミネート用接着剤（バイロンー
３００、東洋紡(株)製）を１０g/m2塗布し、透明性ＰＥ
Ｔフィルムの印刷面と合わせ、１００℃で３０秒圧着し
て複合フィルムを得た。この複合フィルムの透明性ＰＥ
Ｔフィルムと空洞含有ＰＥＴフィルムの接着力は、９０
度剥離試験において１４５０ｇ／２５mmであった。この
複合フィルムを寸法８５０mm×２１００mmに裁断して用
いた。The present invention will be described below in more detail with reference to examples. Example 1 (A) Preparation of molding material (A) Composite film Transparent PET film (E510) with one surface corona treated
1 film-188, biaxially stretched PET film, thickness 1
A marble pattern was screen-printed on a UV-ink (88 μm, manufactured by Toyobo Co., Ltd.). Cavity-containing PET film treated with corona on both sides (Crisper White G1212-188,
A 188 μm-thick, PET film containing axially stretched bubbles, a density of 1.1 g / cm 3 , manufactured by Toyobo Co., Ltd.) was prepared. Cavity containing P
An adhesive for dry lamination (Byron-300, manufactured by Toyobo Co., Ltd.) is applied to the ET film at a rate of 10 g / m 2 to obtain a transparent PE.
It was combined with the printing surface of the T film and pressed at 100 ° C. for 30 seconds to obtain a composite film. Transparency PE of this composite film
The adhesive strength between the T film and the PET film containing cavities is 90
In the peel test, it was 1450 g / 25 mm. This composite film was cut into a size of 850 mm × 2100 mm for use.
【００１９】（ロ）繊維補強材 目付重量６００g/m2のガラスコンテニュアスマット（Ｍ
−８６０９−６００、旭ファイバーグラス(株)製）を寸
法８５０mm×２１００mmに裁断して用いた。(B) Fiber reinforcing material A glass continuous mat having a basis weight of 600 g / m 2 (M
-8609-600, manufactured by Asahi Fiber Glass Co., Ltd.) and cut into a size of 850 mm x 2100 mm.
【００２０】（ハ）ポリウレタン樹脂組成物 Ａ液（ポリオール成分）：ポリエーテルポリオール（Ｈ
Ｍ−１１１０、ポリウレタン化成株式会社製） Ｂ液（イソシアネート成分）：ポリメックＭＤＩ（Ｍ−
２０Ｓ、ポリウレタン化成株式会社製） 発泡特性の一例 （１）条件 混合比率 Ａ液：Ｂ液＝１００：１３５（重量比） 液温度 ２５℃ 室内温度 ２５℃ （２）反応性（Ａ液とＢ液を混ぜてからの時間を測定し
た） クリームタイム（クリーム状になるまでの時間） １１
８秒 ゲルタイム（ゲル状になるまでの時間） ５８秒 ライズタイム（発泡が終了するまでの時間） １０５秒 （３）フリ−密度（大気中で発泡させて得られた発泡体
の密度） １８０kg/m3 (C) Polyurethane resin composition Liquid A (polyol component): polyether polyol (H
M-1110, manufactured by Polyurethane Chemical Co., Ltd.) Liquid B (isocyanate component): Polymec MDI (M-
(20S, manufactured by Polyurethane Chemical Co., Ltd.) Examples of foaming characteristics (1) Conditions Mixing ratio Liquid A: Liquid B = 100: 135 (weight ratio) Liquid temperature 25 ° C. Room temperature 25 ° C. (2) Reactivity (liquid A and liquid B) Time was measured after mixing) Cream time (time until creamy) 11
8 seconds Gel time (time to gel) 58 seconds Rise time (time to end foaming) 105 seconds (3) Free density (density of foam obtained by foaming in air) 180 kg / m 3
【００２１】（Ｂ）成形 ５０℃に温度調節した成形型５の下型５ａに準備した複
合フィルム１をセットし、更に繊維補強材２をセット
し、上部よりポリウレタン樹脂組成物３を高圧注入機
（Ｐ−８０、(株)ポリウレタンエンジニアリング製）を
用いて混合比率 Ａ液：Ｂ液＝１００：１３５（重量
比）で３．３kgを投入した。注入後、直ちに、成形型５
の上型５ｂを成形厚さ５mmとなるように閉じてポリウレ
タン樹脂を発泡硬化させた。注入５分後に成形型５ａを
開き成型品を取り出し、複合フィルムと繊維強化ポリウ
レタンフォームが複合された本発明の化粧面を有する繊
維強化ポリウレタンフォームを得た。本成形品は、「そ
り」「ゆがみ」等がなく、意匠性にすぐれた外観の成形
品であった。物性値を以下に示す。 密度：０．４５g/cm3 ガラス合有量：２５重量％ 曲げ強さ：３２０kgf/cm2 曲げ弾性率：１２２００kgf/cm2 成形時の「そり」（そり上面の短辺二辺の中心を結んだ
線分の中央からそり上面までの距離）：最大０．５mm(B) Molding The prepared composite film 1 is set in the lower mold 5a of the mold 5 whose temperature has been adjusted to 50 ° C., the fiber reinforcing material 2 is further set, and the polyurethane resin composition 3 is injected from above into a high-pressure injection machine. (P-80, manufactured by Polyurethane Engineering Co., Ltd.), 3.3 kg of the mixture A liquid: B liquid = 100: 135 (weight ratio) was introduced. Immediately after injection, mold 5
The upper mold 5b was closed so as to have a molding thickness of 5 mm, and the polyurethane resin was foamed and cured. Five minutes after the injection, the mold 5a was opened and the molded product was taken out to obtain a fiber-reinforced polyurethane foam having a decorative surface of the present invention in which the composite film and the fiber-reinforced polyurethane foam were combined. This molded article had no appearance of "warpage" or "distortion" and had excellent appearance. The physical properties are shown below. Density: 0.45 g / cm 3 Glass content: 25% by weight Flexural strength: 320 kgf / cm 2 Flexural modulus: 12200 kgf / cm 2 “Sledding” during molding (connecting the centers of two short sides on the upper surface of the sled) Distance from the center of the elliptical line to the top of the sled): 0.5 mm max.
【００２２】比較例１ 複合フィルムの代わりに、印刷された透明性ＰＥＴフィ
ルムを用いたこと以外は実施例１と同様に行った。Comparative Example 1 The procedure of Example 1 was repeated, except that a printed transparent PET film was used instead of the composite film.
【００２３】比較例２ 実施例１の複合フィルムの代わりに印刷された透明性Ｐ
ＥＴフイルムと透明性ＰＥＴフィルムを実施例１同様に
して複合したフィルムを用いたこと以外実施例１と同様
に行った。Comparative Example 2 Transparency P printed in place of the composite film of Example 1
The procedure was performed in the same manner as in Example 1 except that a film in which an ET film and a transparent PET film were combined in the same manner as in Example 1 was used.
【００２４】いずれの比較例でも、得られた成形品は、
透明性ＰＥＴフィルム面が凹面になるように「そり」が
発生し、比較例１では最大８mm、比較例２では９mmの値
が測定された。また、いずれの比較例でも、全表面に波
状の「ゆがみ」が発生し、満足するものが得られなかっ
た。In each of the comparative examples, the obtained molded product was
"Warping" occurred such that the transparent PET film surface was concave, and a value of a maximum of 8 mm in Comparative Example 1 and 9 mm in Comparative Example 2 was measured. In each of the comparative examples, wavy "distortion" occurred on the entire surface, and no satisfactory product was obtained.
【００２５】[0025]
【発明の効果】本発明における繊維強化ポリウレタンフ
ォームは、高意匠性を有し、腐食しにくい内装用建材と
して有用で、しかも、「そり」、「ゆがみ」が生じな
い。The fiber-reinforced polyurethane foam of the present invention has high design properties, is useful as a building material for interiors that is hardly corroded, and does not cause warpage or distortion.
【図１】本発明の複合フィルムの正面図である。FIG. 1 is a front view of a composite film of the present invention.
【図２】本発明における繊維強化ポリウレタンフォーム
の製造に際し、型締め前の状態を示す断面模式図であ
る。FIG. 2 is a schematic cross-sectional view showing a state before mold clamping when producing a fiber-reinforced polyurethane foam according to the present invention.
【図３】本発明における繊維強化ポリウレタンフォーム
の製造に際し、型締め後の状態を示す断面模式図であ
る。本発明の製造法の説明図である。FIG. 3 is a schematic cross-sectional view showing a state after mold clamping when producing a fiber-reinforced polyurethane foam in the present invention. It is explanatory drawing of the manufacturing method of this invention.
１：複合フィルム １ａ：透明性ポリエステルフィルム １ｂ：空洞含有ポリエステルフィルム １ｃ：接着剤 ２：繊維強化材 ３：ポリウレタン樹脂組成物 ４：成形品 ５：成形型 ５ａ：上型 ５ｂ：下型 1: Composite film 1a: Transparent polyester film 1b: Cavity-containing polyester film 1c: Adhesive 2: Fiber reinforcement 3: Polyurethane resin composition 4: Molded product 5: Mold 5a: Upper mold 5b: Lower mold
フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ // Ｂ２９Ｋ 75:00 105:04 105:08 667:00 Ｂ２９Ｌ 9:00 (72)発明者 石田 久二 茨城県日立市滑川本町五丁目12番15号 日 立化成工材株式会社滑川工場内Continued on the front page (51) Int.Cl. 6 Identification code FI // B29K 75:00 105: 04 105: 08 667: 00 B29L 9:00 (72) Inventor Kuji Ishida 5-chome Namekawa Honcho, Hitachi City, Ibaraki Prefecture No. 12-15 Sun Chemical Co., Ltd. Namerikawa Plant
Claims (2)
ルムと空洞含有ポリエステルフィルムを積層してなる複
合フィルムを化粧面に有する繊維強化ポリウレタンフォ
ーム。1. A fiber-reinforced polyurethane foam having on the decorative surface a composite film formed by laminating a transparent polyester film and a void-containing polyester film printed on the back side.
明性ポリエステルフィルムと空洞含有ポリエステルフィ
ルムを積層してなる複合フィルムと繊維補強材を置き当
該キャビテイ内にポリウレタン樹脂組成物を注入して繊
維強化材内に含浸発泡硬化させることを特徴とする化粧
面に有する繊維強化ポリウレタンフォームの製造方法。2. A fiber reinforced material comprising a composite film formed by laminating a transparent polyester film and a void-containing polyester film printed on the back side of a mold cavity and a fiber reinforcing material, and a polyurethane resin composition is injected into the cavity. A method for producing a fiber-reinforced polyurethane foam having a decorative surface, wherein the material is impregnated, foamed and cured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10015573A JPH11207758A (en) | 1998-01-28 | 1998-01-28 | Fiber reinforced polyurethane foam having decorative surface and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10015573A JPH11207758A (en) | 1998-01-28 | 1998-01-28 | Fiber reinforced polyurethane foam having decorative surface and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11207758A true JPH11207758A (en) | 1999-08-03 |
Family
ID=11892489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10015573A Pending JPH11207758A (en) | 1998-01-28 | 1998-01-28 | Fiber reinforced polyurethane foam having decorative surface and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11207758A (en) |
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