JPS58104726A - 軽量装飾材およびその成形法 - Google Patents

軽量装飾材およびその成形法

Info

Publication number
JPS58104726A
JPS58104726A JP56204213A JP20421381A JPS58104726A JP S58104726 A JPS58104726 A JP S58104726A JP 56204213 A JP56204213 A JP 56204213A JP 20421381 A JP20421381 A JP 20421381A JP S58104726 A JPS58104726 A JP S58104726A
Authority
JP
Japan
Prior art keywords
skin layer
foamed
decorative material
cross
sheet
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
Application number
JP56204213A
Other languages
English (en)
Inventor
Asao Inagaki
旭男 稲垣
Takashi Sakakibara
敬 榊原
Shinji Takeda
竹田　信二
Shuri Hase
長谷　修利
Takashi Nanpu
南浮　崇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aisin Chemical Co Ltd
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Aisin Chemical Co Ltd
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
Application filed by Aisin Seiki Co Ltd, Aisin Chemical Co Ltd filed Critical Aisin Seiki Co Ltd
Priority to JP56204213A priority Critical patent/JPS58104726A/ja
Publication of JPS58104726A publication Critical patent/JPS58104726A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping 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
    • B29C44/10—Applying counter-pressure during expanding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping 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
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
    • B29C2035/0877—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using electron radiation, e.g. beta-rays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • B29K2105/043—Skinned foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/256—Sheets, plates, blanks or films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Molding Of Porous Articles (AREA)
  • Laminated Bodies (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。

Description

【発明の詳細な説明】 本発明は、自動車に使用されるモールおよびトリム類、
又は室内装飾として使用するトリム類（以下総称して装
飾材という。）の成形法に関するもので、特に装飾材の
本体にスキン層を有する装飾材の成形法に関するもので
ある。
従来の成形については、内部発泡樹脂材を押出成形機で
押出し、冷却装置で冷却固化しｆ装飾材の本体となし装
飾本体の外表面に外部無発泡樹脂材を押出成形機で押出
し被覆層を付は再度冷却装置で冷却し、被覆層を有する
装飾材を切断し端末処理機にて端末成形する。この様な
方法では押出成形の加工装置全体が高価であり、かつ発
泡樹脂材の装飾本体の外表面の表皮肉厚か大となり、軽
量化につ−て問題があった。
本発明は、発泡性樹脂材を押出成形して外表面を無発泡
のスキン層で被覆された内部発泡の装飾材を得るもので
、軽量な装飾部材を連続的に製造する方法で、予め発泡
材を混入したポリプルピレン樹脂シートを電子線により
架橋を行い、この後加熱により発泡賦形して一面仕上り
性の良好かつ高発泡倍率な装飾材を鯛造するもので、以
下実施例につ−て説明する。
１に′ｉ押出成形機、２け押出シート、６は冷却装置、
４は引取機、５　’　＃　５　ｂはシールド、６Ｆｉ電
子線照射装置、７は引取機、８は切断装置、９ｔｊ架橋
ポリプロピレン樹脂シート、１０１：１ホットプレス装
置、１１＆、１１ｂは全型、１２け完成した架橋発泡成
形体、１３は成形体１２の断面で１４亀は外表スキン層
、１４１）は発泡層である。
次に、工程について述べれば、押出Ｉ／ＩＡ１より押出
された厚さ１〜１０！Ｉｍの変性ポリプロピレン（重量
ブレンド比、ボリプ四ピレン対ポリエチレンか４対１、
発泡剤６〜６部を配合したもの）のシー）２ｔｊ冷却装
＠３により冷却後、電子線照射装置により線量５〜１０
０　Ｍｒａｄ　　の放射線の照射を行う。放射線は電離
性放射線といい、おもに高エネルギーの電子線、中性子
線、α線、γ線、Ｘ線、紫外線、陽子線等で、架橋に必
要な照射線ｉｌｌは０．５〜１００ＭｒＶｉ　の範囲が
一般的であり、照射については窒素のごとき不活性ガス
會囲気中が好！：！−０ 架橋されたボリプ四ピレンの樹脂シートをホットプレス
装ａｉｉｏの全型１１１Ｌ及び１１ｂにて加圧加熱成形
する。この場合の温度は熱風又は高周波により２００〜
２４０°０．加圧は１０〜１００ｋｇ／ｌＩＩか良く、
この結果、樹脂シートの外表面は僅かに熔融し、又シー
トの内部は２〜６０倍の発泡か行われ断面１３に示すよ
うに内部に発泡層を包含し表面層は極めて致密な外表ス
キン層を形成し、その厚さｔｉｏ、２〜２！１１１！１
程度となり軽量化された装飾材を得ることができる。
以上本発明の実施によりポリプロピレン発泡体に電子線
照射により架橋を行い、その後、ホットプレス装置にて
成形、加熱することにより軽量な表面致密なスキン層を
有する装飾材を形成することが出来る。
【図面の簡単な説明】
第１図は本発明による装飾モールの加工例を示す工程図
、そし：て第２図は本発明による装飾モールの断面図で
・１．、娶る。 １・・・押出成形機、６・・・電子線照射装置、１０・
・・ホットプレス装置、１３・・・装飾１．１４＆・・
・スキン層、１４ｂ・・・発泡層。

Claims (2)

    【特許請求の範囲】
  1. （１）架橋したポリプロピレン樹脂より成る成形体をモ
    ールド内で加熱する−とにより無発泡のスキン層をもっ
    た発泡軽量装飾材。
  2. （２）　　架橋性かつ発泡性ポリプロピレン樹脂をシー
    ト状に押出成形され、冷却固化した後、電子線の照射に
    より架橋され、所定の長さに切断されたシート本体を、
    モールド内に収容し加熱、発泡しかつ外表面に無発泡の
    スキン層をもった軽量装飾部材の成形法０
JP56204213A 1981-12-17 1981-12-17 軽量装飾材およびその成形法 Pending JPS58104726A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56204213A JPS58104726A (ja) 1981-12-17 1981-12-17 軽量装飾材およびその成形法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56204213A JPS58104726A (ja) 1981-12-17 1981-12-17 軽量装飾材およびその成形法

Publications (1)

Publication Number Publication Date
JPS58104726A true JPS58104726A (ja) 1983-06-22

Family

ID=16486703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56204213A Pending JPS58104726A (ja) 1981-12-17 1981-12-17 軽量装飾材およびその成形法

Country Status (1)

Country Link
JP (1) JPS58104726A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194375A2 (en) * 1985-03-04 1986-09-17 Sumitomo Chemical Company, Limited Method of crosslinking rubber and plastic moldings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194375A2 (en) * 1985-03-04 1986-09-17 Sumitomo Chemical Company, Limited Method of crosslinking rubber and plastic moldings

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