JPH0699779A - Interior trim base material for automobile - Google Patents
Interior trim base material for automobileInfo
- Publication number
- JPH0699779A JPH0699779A JP27555292A JP27555292A JPH0699779A JP H0699779 A JPH0699779 A JP H0699779A JP 27555292 A JP27555292 A JP 27555292A JP 27555292 A JP27555292 A JP 27555292A JP H0699779 A JPH0699779 A JP H0699779A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- impregnated
- polyurethane foam
- base material
- glass fiber
- 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.)
- Granted
Links
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は例えば自動車の天井材、
ドアトリム、リヤパーセル等の内装材の基材に関するも
のである。BACKGROUND OF THE INVENTION The present invention relates to an automobile ceiling material,
The present invention relates to a base material for interior materials such as door trims and rear parcels.
【０００２】[0002]
【従来の技術】従来から多価イソシアナートを含浸した
ポリウレタン発泡体シートに水分を接触させつゝ成形
し、該多価イソシアナートを該水分によって硬化させた
合成樹脂含浸ポリウレタン発泡体シートからなる自動車
の内装基材が提供されている（特開昭５８−５３４
６）。上記内装基材は断熱性および防音性に優れたもの
である。2. Description of the Related Art Conventionally, an automobile made of a synthetic resin-impregnated polyurethane foam sheet in which a polyurethane foam sheet impregnated with a polyvalent isocyanate is contacted with water and molded, and the polyvalent isocyanate is cured with the water. Interior base materials of Japanese Patent Application Laid-Open No. 58-534.
6). The interior base material is excellent in heat insulation and soundproofing.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら上記合成
樹脂含浸ポリウレタン発泡体シートは剛性が不足するの
でガラス繊維層等の補強層を積層する必要があり、また
通気性を有するため車室内のホコリ、タバコの煙等の汚
染物質を含む空気が透過し、該シートがフィルターの作
用をして該汚染物質が内装材表面に蓄積し、該内装材表
面が著しく汚染されると云う問題点があった。However, since the synthetic resin-impregnated polyurethane foam sheet is insufficient in rigidity, it is necessary to laminate a reinforcing layer such as a glass fiber layer, and since it has air permeability, dust and cigarettes in the vehicle interior are required. There is a problem that the air containing pollutants such as smoke permeates, the sheet acts as a filter to accumulate the pollutants on the surface of the interior material, and the surface of the interior material is significantly contaminated.
【０００４】[0004]
【課題を解決するための手段】本発明は上記従来の課題
を解決するための手段として、合成樹脂含浸ポリウレタ
ン発泡体シートに架橋構造を有するポリウレタンエラス
トマーを含浸した繊維シートを重合し所定形状に成形し
た自動車用内装基材を提供するものである。As a means for solving the above-mentioned conventional problems, the present invention polymerizes a synthetic resin-impregnated polyurethane foam sheet with a polyurethane elastomer impregnated with a crosslinked structure and molds it into a predetermined shape. The present invention provides an automobile interior base material.
【０００５】〔合成樹脂含浸ポリウレタン発泡体シー
ト〕本発明に用いられる合成樹脂含浸ポリウレタン発泡
体シートとは、軟質のポリウレタン発泡体シートにウレ
タン樹脂、メラミン樹脂、フェノール樹脂、レゾルシン
樹脂、エポキシ樹脂、尿素樹脂、ポリエステル樹脂、ア
クリル樹脂、スチレン樹脂、酢酸ビニル樹脂、あるいは
上記合成樹脂のモノマー、プレポリマー、オリゴマー等
の合成樹脂の前駆体を通常１０〜５０重量％、望ましく
は２０〜４０重量％程度含浸せしめ、合成樹脂の前駆体
を含浸させた場合は加熱、触媒、水分等の適当な手段に
よって硬化させ合成樹脂化せしめる。[Synthetic Resin Impregnated Polyurethane Foam Sheet] The synthetic resin impregnated polyurethane foam sheet used in the present invention means a soft polyurethane foam sheet, urethane resin, melamine resin, phenol resin, resorcin resin, epoxy resin, urea. Resin, polyester resin, acrylic resin, styrene resin, vinyl acetate resin, or precursor of synthetic resin such as monomer, prepolymer or oligomer of the above synthetic resin is usually impregnated in an amount of 10 to 50% by weight, preferably 20 to 40% by weight. When impregnated with the precursor of the synthetic resin, the synthetic resin is hardened by an appropriate means such as heating, a catalyst and water.
【０００６】〔ウレタンエラストマー〕本発明に用いら
れるウレタンエラストマーとは、架橋構造を有するもの
であり、ポリ（１，４−オキシブチレン）グリコール、
ポリエステル、ポリエチレンアジペート、ポリプロピレ
ンアジペート、エチレンプロピレンアジペート等とＴＤ
Ｉ，ＭＤＩ，１．５ＮＤＩ等の多価イソシアナートとの
重付加反応により、更に所望なれば末端ＮＣＯをポリオ
ール、ジアミン、水、ｏ−ジクロルベンチジン、グリコ
ール、ジクミルパーオキサイド等によって反応させて架
橋構造を形成させる。本発明のウレタンエラストマーは
主として水分散液として提供され、商品としては例えば
スーパーフレックス２００および３００（第一工業製薬
株式会社 登録商標）がある。[Urethane Elastomer] The urethane elastomer used in the present invention has a crosslinked structure, and includes poly (1,4-oxybutylene) glycol,
TD with polyester, polyethylene adipate, polypropylene adipate, ethylene propylene adipate, etc.
By polyaddition reaction with polyisocyanate such as I, MDI and 1.5 NDI, if desired, the terminal NCO is further reacted with polyol, diamine, water, o-dichlorobenzidine, glycol, dicumyl peroxide and the like. Form a crosslinked structure. The urethane elastomer of the present invention is mainly provided as an aqueous dispersion, and examples of commercial products thereof include Superflex 200 and 300 (registered trademark of Dai-ichi Kogyo Seiyaku Co., Ltd.).
【０００７】〔繊維シート〕本発明に用いられる繊維シ
ートとしては例えば、ポリエステル繊維、ポリアミド繊
維、アクリル繊維、アセテート繊維、ポリ塩化ビニル繊
維、ポリ塩化ビニリデン繊維、綿繊維等の有機繊維また
はこれらの再生繊維の一種または二種以上の混合繊維、
ガラス繊維、炭素繊維、セラミック繊維、ウィスカ、ロ
ックウール、スラグウール等の無機繊維の一種または二
種以上の混合繊維、上記有機繊維の一種または二種以上
の混合繊維と、上記無機繊維の一種または二種以上の混
合繊維のフリース、フェルト、不織布、編織物等があ
り、上記繊維シートは同種または異種のものが二層以上
積層されてもよい。上記繊維シートには上記架橋構造を
有するウレタンエラストマーが通常純分として１０〜５
０重量％、望ましくは２０〜４０重量％程度含浸せしめ
られる。[Fiber Sheet] Examples of the fiber sheet used in the present invention include organic fibers such as polyester fibers, polyamide fibers, acrylic fibers, acetate fibers, polyvinyl chloride fibers, polyvinylidene chloride fibers, and cotton fibers, or recycled fibers thereof. One or more mixed fibers of fibers,
Glass fibers, carbon fibers, ceramic fibers, whiskers, rock wool, slag wool, and the like, one or more kinds of inorganic fibers, mixed fibers, one or more kinds of the organic fibers, and one or more kinds of the inorganic fibers, or There are fleeces, felts, non-woven fabrics, knitted fabrics, and the like of mixed fibers of two or more kinds, and two or more layers of the same kind or different kinds of fiber sheets may be laminated. The above-mentioned fibrous sheet usually contains 10 to 5 as a pure content of the urethane elastomer having the crosslinked structure.
It is impregnated with 0% by weight, preferably 20-40% by weight.
【０００８】〔補強層〕本発明においては上記繊維シー
トの上側および／または下側に補強層が重合されてもよ
い。該補強層としては例えば上記繊維シートにウレタン
エラストマーに代えて多価イソシアナート、メラミン樹
脂、フェノール樹脂、レゾルシン樹脂、エポキシ樹脂、
尿素樹脂等を通常純分として１０〜５０重量％、望まし
くは２０〜４０重量％程度含浸させたものがある。上記
補強層は本発明においては必須のものではないことは勿
論である。[Reinforcing Layer] In the present invention, a reinforcing layer may be polymerized on the upper side and / or the lower side of the fiber sheet. As the reinforcing layer, for example, a polyvalent isocyanate, a melamine resin, a phenol resin, a resorcin resin, an epoxy resin in place of the urethane elastomer in the fiber sheet,
Urea resin or the like is usually impregnated in an amount of 10 to 50% by weight, preferably 20 to 40% by weight as a pure component. It goes without saying that the reinforcing layer is not essential in the present invention.
【０００９】〔内装基材の製造〕上記合成樹脂含浸ポリ
ウレタン発泡体シートと、上記繊維シートと、所望なれ
ば上記補強層とを重合して所定形状に成形して本発明の
自動車用内装基材を製造する。上記合成樹脂含浸ポリウ
レタン発泡体シートと、上記繊維シートと、所望なれば
上記補強層とは重合前に夫々成形しておいてから重合接
着してもよいが、通常は重合後に一体的に成形される。
また更に表皮材も重合して一体的に成形圧着を行なって
もよい。上記合成樹脂含浸ポリウレタン発泡体シート
と、上記繊維シートと、所望なれば上記補強層とはアク
リル系、酢酸ビニル系、スチレン系等の通常の接着剤や
ポリエチレン、エチレン−酢酸ビニル共重合体等のホッ
トメルト接着剤を用いて接着してもよいが、通常は各々
が含浸している合成樹脂、ウレタンエラストマー等が圧
着の際に滲出して接着剤の働きをするので特に上記接着
剤は必要としない。上記合成樹脂含浸ポリウレタン発泡
体シートと、上記繊維シートと、所望なれば上記補強層
との重合物は通常１００〜１８０℃、２〜３Kg／cm2 、
３０〜１８０秒程度の条件で成形圧着される。[Manufacture of Interior Base Material] The above-mentioned synthetic resin-impregnated polyurethane foam sheet, the above-mentioned fiber sheet and, if desired, the above-mentioned reinforcing layer are polymerized and molded into a predetermined shape to form an automobile interior base material of the present invention. To manufacture. The synthetic resin-impregnated polyurethane foam sheet, the fiber sheet, and the reinforcing layer, if desired, may be molded and bonded together before polymerization, but usually they are integrally molded after polymerization. It
Further, the skin material may also be polymerized and integrally molded and pressure bonded. The synthetic resin-impregnated polyurethane foam sheet, the fiber sheet, and, if desired, the reinforcing layer are made of a common adhesive such as acrylic, vinyl acetate, or styrene, polyethylene, ethylene-vinyl acetate copolymer, or the like. It may be adhered by using a hot melt adhesive, but usually the above-mentioned adhesives are particularly necessary because synthetic resins, urethane elastomers, etc. impregnated with each other exude during the pressure bonding and act as an adhesive. do not do. The polymer of the synthetic resin-impregnated polyurethane foam sheet, the fiber sheet and, if desired, the reinforcing layer is usually 100 to 180 ° C., 2 to 3 kg / cm 2 ,
Molding and pressure bonding are performed under the condition of about 30 to 180 seconds.
【００１０】[0010]
【作用】本発明において用いられる架橋構造を有するウ
レタンエラストマーは、繊維シート内でガスバリア性の
高い剛性のあるフィルムを形成する。したがって合成樹
脂含浸ポリウレタン発泡体シートはこのような繊維シー
トによって通気性を阻止され、かつ剛性を付与される。The urethane elastomer having a crosslinked structure used in the present invention forms a rigid film having a high gas barrier property in the fiber sheet. Therefore, the synthetic resin-impregnated polyurethane foam sheet has air permeability and rigidity imparted by such a fiber sheet.
【００１１】[0011]
【実施例】本発明を図１〜図３に示す一実施例によって
説明すれば、図１において内装基材(1) は純分としてＭ
ＤＩ２５重量％と水酸基含有アクリル樹脂５重量％とを
混合含浸したポリウレタン発泡体シート(2) と、該シー
ト(2) 表裏面に積層されるガラス繊維マット(3,3) と、
該シート(2) の裏面側においてガラス繊維マット(3) 上
に積層されるポリエステル不織布シート(4) と、該シー
ト(2) の表面においてガラス繊維マット(3) 上に積層さ
れるポリエステル綿層(5) とからなる。EXAMPLE The present invention will be described with reference to an example shown in FIGS. 1 to 3. In FIG. 1, the interior base material (1) is M as a pure component.
A polyurethane foam sheet (2) impregnated with 25% by weight of DI and 5% by weight of a hydroxyl group-containing acrylic resin; and a glass fiber mat (3, 3) laminated on the front and back surfaces of the sheet (2),
A polyester nonwoven sheet (4) laminated on the glass fiber mat (3) on the back side of the sheet (2), and a polyester cotton layer laminated on the glass fiber mat (3) on the surface of the sheet (2) (5) consists of and.
【００１２】上記ガラス繊維マット(3,3) と上記ポリエ
ステル綿層(5) とには夫々メラミン樹脂が純分として夫
々３０重量％程度含浸されており、上記ポリエステル不
織布シート(4) には架橋構造を有するウレタンエラスト
マーであるスーパーフレックス２００が純分として３５
重量％程度含浸されている。The glass fiber mats (3, 3) and the polyester cotton layer (5) are impregnated with melamine resin as pure components in an amount of about 30% by weight, and the polyester nonwoven fabric sheet (4) is crosslinked. Superflex 200, a urethane elastomer having a structure, has a pure content of 35
It is impregnated with about wt%.
【００１３】上記内装基材(1) は図２に示すように加熱
軟化状態のポリエチレンシート(7)を介し表皮材(6) と
重合し、プレス成形機(8) にセットして１６０℃，３Kg
／cm2 成形圧，１２０秒間のホットプレスにより、図３
に示すような自動車の天井材(9) に成形される。上記表
皮材(6) は例えば不織布、繊維編織物、合成皮革等を材
料とする。As shown in FIG. 2, the interior base material (1) is polymerized with the skin material (6) through a polyethylene sheet (7) in a heat-softened state and set in a press molding machine (8) at 160 ° C. 3 kg
/ Cm 2 molding pressure, hot press for 120 seconds,
It is molded into the automobile ceiling material (9) as shown in. The skin material (6) is made of, for example, non-woven fabric, fiber knitted fabric, synthetic leather or the like.
【００１４】上記ホットプレスにより、基材(1) のポリ
ウレタン発泡体シート(2) に含浸されているＭＤＩは水
酸基含有アクリル樹脂と反応硬化し、ガラス繊維マット
(3)とポリエステル綿層(5) とに含浸されているメラミ
ン樹脂も硬化する。そして基材(1) を構成する該ポリウ
レタン発泡体シート(2) 、ガラス繊維マット(3) 、ポリ
エステル不織布シート(4) およびポリエステル綿層(5)
はそれらの含浸する合成樹脂の滲出により相互接着さ
れ、基材(1) と表皮材(6) とは上記ポリエチレンシート
(7) により接着される。The MDI impregnated in the polyurethane foam sheet (2) of the base material (1) is cured by reaction with the hydroxyl group-containing acrylic resin by the above hot pressing to give a glass fiber mat.
The melamine resin impregnated in (3) and the polyester cotton layer (5) is also cured. And the polyurethane foam sheet (2) constituting the substrate (1), the glass fiber mat (3), the polyester nonwoven fabric sheet (4) and the polyester cotton layer (5)
Are adhered to each other by the exudation of the impregnated synthetic resin, and the base material (1) and skin material (6) are
It is adhered by (7).
【００１５】上記ポリエステル不織布シート(4) に含浸
されている架橋構造を有するウレタンエラストマーは上
記ホットプレスによって均一なガスバリア性の高いフィ
ルムを形成し、該天井材(9) の通気性を阻止し、かつ剛
性を付与する。The urethane elastomer having a crosslinked structure impregnated in the polyester non-woven sheet (4) forms a film having a uniform high gas barrier property by the hot pressing, and blocks the air permeability of the ceiling material (9), It also adds rigidity.
【００１６】[0016]
【発明の効果】したがって本発明においては防音性、断
熱性に優れ、通気性がなく、ホコリやタバコの煙等の汚
染物質が表面に付着しにくゝ、かつ剛性の高い自動車用
内装基材が得られる。Therefore, according to the present invention, the interior base material for automobiles is excellent in soundproofing and heat insulating properties, has no air permeability, is hard to be contaminated with contaminants such as dust and cigarette smoke, and has high rigidity. Is obtained.
図１〜図３は本発明の一実施例を示すものである。 1 to 3 show an embodiment of the present invention.
【図１】内装基材断面図[Figure 1] Cross-sectional view of interior base material
【図２】ホットプレス状態図[Fig. 2] Hot press state diagram
【図３】天井材斜視図[Fig. 3] Perspective view of ceiling material
1 内装基材 2 合成樹脂含浸ポリウレタン発泡体シート 4 架橋構造を有するウレタンエラストマーを含浸
したポリエステル不織布シート1 Interior substrate 2 Synthetic resin impregnated polyurethane foam sheet 4 Polyester non-woven sheet impregnated with urethane elastomer having crosslinked structure
Claims (1)
架橋構造を有するポリウレタンエラストマーを含浸した
繊維シートを重合し所定形状に成形した自動車用内装基
材1. An automobile interior base material obtained by polymerizing a fiber sheet obtained by impregnating a synthetic resin-impregnated polyurethane foam sheet with a polyurethane elastomer having a crosslinked structure into a predetermined shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27555292A JP2601786B2 (en) | 1992-09-18 | 1992-09-18 | Automotive interior base material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27555292A JP2601786B2 (en) | 1992-09-18 | 1992-09-18 | Automotive interior base material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0699779A true JPH0699779A (en) | 1994-04-12 |
| JP2601786B2 JP2601786B2 (en) | 1997-04-16 |
Family
ID=17557042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27555292A Expired - Lifetime JP2601786B2 (en) | 1992-09-18 | 1992-09-18 | Automotive interior base material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2601786B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001315588A (en) * | 2000-02-28 | 2001-11-13 | Nakagawa Sangyo Kk | Trimming material for automobile and method of manufacture |
| KR100332299B1 (en) * | 2000-04-07 | 2002-04-12 | 권회현 | Method and system of manufacturing acoustic head liner |
| KR100427235B1 (en) * | 1996-12-28 | 2004-06-16 | 현대자동차주식회사 | Soundproof material for lower body of car |
| KR100475212B1 (en) * | 2002-08-06 | 2005-03-10 | 삼우기업 주식회사 | Car sunshade board having a multi-layered structure |
| CN109733020A (en) * | 2018-12-29 | 2019-05-10 | 苏州市君悦新材料科技股份有限公司 | Thermal insulation material used for vehicle and preparation method thereof |
-
1992
- 1992-09-18 JP JP27555292A patent/JP2601786B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100427235B1 (en) * | 1996-12-28 | 2004-06-16 | 현대자동차주식회사 | Soundproof material for lower body of car |
| JP2001315588A (en) * | 2000-02-28 | 2001-11-13 | Nakagawa Sangyo Kk | Trimming material for automobile and method of manufacture |
| KR100332299B1 (en) * | 2000-04-07 | 2002-04-12 | 권회현 | Method and system of manufacturing acoustic head liner |
| KR100475212B1 (en) * | 2002-08-06 | 2005-03-10 | 삼우기업 주식회사 | Car sunshade board having a multi-layered structure |
| CN109733020A (en) * | 2018-12-29 | 2019-05-10 | 苏州市君悦新材料科技股份有限公司 | Thermal insulation material used for vehicle and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2601786B2 (en) | 1997-04-16 |
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