JPH0315525B2 - - Google Patents

Info

Publication number
JPH0315525B2
JPH0315525B2 JP21842883A JP21842883A JPH0315525B2 JP H0315525 B2 JPH0315525 B2 JP H0315525B2 JP 21842883 A JP21842883 A JP 21842883A JP 21842883 A JP21842883 A JP 21842883A JP H0315525 B2 JPH0315525 B2 JP H0315525B2
Authority
JP
Japan
Prior art keywords
melting point
point composition
melt
fibers
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.)
Expired - Lifetime
Application number
JP21842883A
Other languages
Japanese (ja)
Other versions
JPS60109806A (en
Inventor
Kozo Kanamori
Toshiaki Shirakawa
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.)
Sekisui Chemical Co Ltd
Original Assignee
Sekisui 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 Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Priority to JP58218428A priority Critical patent/JPS60109806A/en
Publication of JPS60109806A publication Critical patent/JPS60109806A/en
Publication of JPH0315525B2 publication Critical patent/JPH0315525B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • 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
    • 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
    • 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
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/732—Floor coverings
    • B29L2031/7322—Carpets
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
  • Laminated Bodies (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Description

【発明の詳細な説明】[Detailed description of the invention]

技術分野 本発明は繊維状シート体を用いた溶融混練成形
方法、特に、自動車内装用カーペツトなどの加工
時に出る端材を再利用する方法に関する。 従来技術 自動車の内装用カーペツトの加工時に排出され
る端材は、従来から、廃棄物として処分されてい
る。わずかに、その一部の繊維状シート体のみが
解毛手段などにより回収され、フエルトなどの原
料として利用されているにすぎない。この繊維状
シート体から繊維を解毛するに際しては、通常、
表面に針を設けた回転ドラムを回転させる解毛機
により繊維状物を掻き取る方法が採用される。こ
の方法によれば、解毛可能なのは、タフテツトカ
ーペツトなどの繊維長の長い繊維だけでああり、
繊維長の短かいニードルパンチカーペツトなどの
端材は解毛が不可能であるため、廃棄物として処
理されている。このような端材を活用すること
は、資源の有効利用の点からも好ましい。 発明の目的 本発明の目的は、カーペツトの端材などの繊維
状シート体を解毛等の処置を施さずに簡単かつ安
価に溶融混練成形する方法を提供することにあ
る。本発明の他の目的は、解毛不可能なカーペツ
トの端材などを有効に利用しうる方法を提供する
ことにある。 発明の要旨 本発明の繊維状シート体を用いた溶融混練成形
方法は、熱可塑性樹脂を主成分とする低融点組成
の裏打材に高融点組成の熱可塑性繊維が起毛状に
固着されてなる繊維状シート体を細片化する工程
と、該細片化物を溶融混練して該低融点組成物の
みを溶融させ、該溶融物中に高融点組成繊維を繊
維状のまま分散させる工程とを包含し、そのこと
により上記目的が達成される。 実施例 以下に本発明を実施例について説明する。 本発明で利用されるカーペツト端材は、例え
ば、第１図に示すように、繊維状シート体１であ
る。これは熱可塑性樹脂を主成分とする低融点組
成の裏打ち材１１に、高融点組成の熱可塑性繊維
１２が起毛状に取りつけられたものである。この
裏打ち材１１は、例えば、ポリエチレン樹脂、エ
チレン−酢酸ビニル共重体などの低融点のシート
体でなり、必要に応じてこれに適宜炭酸カルシウ
ム、水酸化カルシウム、水酸化アルミニウム、マ
イカ、タルクなどの無機充填物が混ぜられる。起
毛状の繊維１２は、例えば、アクリル、ナイロ
ン、飽和ポリエステルなどの高融点の熱可塑性繊
維および／もしくはこれらの混紡でなる。 上記繊維状シート体１は、第２図に示すよう
に、適宜の手段で小片１０に細片化される。その
形状・寸法は混練溶融成形機２に供されうる形
状・寸法になつておればよく、格別な制限はな
い。幅が25mm以下であれば、必要に応じて混入さ
せる低融点組成の熱可塑性樹脂や無機充填物との
混合度合がよいという点で好ましい。この無機充
填物のような他材料を混入させることにより、多
種の組成物からなる原料に起因する最終成形品の
品質のバラツキの軽減化を図りあるいは成形性を
向上させることが可能となる。無機充填物は最終
成形品の耐熱性，寸法安定性，機械的強度などの
物性面の改良および制震効果などの機能面の付与
に有効である。このような無機充填物には、例え
ば、炭酸カルシウム，マイカ，タルク，水酸化ア
ルミニウムなどがある。 これら細片化物１０は、次いで、溶融混練機２
に供給ホツパー２１を介して供給される。そし
て、成形用金型２２より溶融混練物を押し出し、
引き取り・冷却ロール２３を通して所望の成形体
３が得られる。この溶融混練機２のタイプには特
に制限はなく、一軸のスクリユータイプでも二軸
のスクリユータイプでもよい。供給原料のスクリ
ユーへの充填がより円滑になされうるという点
で、二軸のスクリユータイプがより好ましい。 成形の温度条件は、供給原料のうち、例えばポ
リエチレン，ポリプロピレン，エチレンビニルア
セテートなどの比較的低融点の組成に適した成形
温度に設定される。その温度は180℃以下である。
それゆえ、原料組成のうちの比較的高融点の繊
維、例えば、ナイロン，アクリル，ポリエステル
などは、低融点組成のマトリツクス中に繊維の形
状を保持した状態で成形される。成形時に適量の
発泡剤を加えると、発泡成形体を得ることもでき
る。 このようにして得られる第４図に示すような成
形体３は繊維品により補強された形になつている
ため、その強度は高い。成形を高融点組成の温度
で行なうと、原料中の低融点組成成分が分解しガ
ス化するおそれがあり、良好な成形体が得られに
くい。 このようにして得られるシート状の成形体３は
そのままの形状でも使用されうるが、必要に応じ
て、他の材料４、例えば不織布、フイルム、発泡
体などとの積層成形に供され、第５図に示すよう
な複合成形体５にすることも可能である。 シート成形体３および他材料との複合成形体５
は、必要に応じて、加圧成形、真空成形などの加
工を施し任意の賦形体を得ることもできる。 実施例 １ 繊維状シート体として自動車内装用カーペツト
の加工時の端材が用いられた。この端材の裏打ち
材はポリエチレンシートが200〜250g／m2程度に
用いられている。その一部にはエチレン−酢酸ビ
ニルの共重合物および炭酸カルシウムが充填され
ている。この端材の起毛状繊維はポリプロピン繊
維とナイロンとの混紡でなるニードルパンチカー
ペツトタイプであつた。この端材は細断機にかけ
て裏打材を幅５mmに細断された。この細断片を２
軸スクリユータイプの溶融混練押出し機にかけ、
スクリユー温度150〜160℃そして成形金型温度
180℃の条件にてシート状物を成形した。これを
冷却兼用引き取りロールにて冷却し、シート体を
得た。得られたシート体は高融点組成のポリプロ
ピレン繊維およびナイロン繊維が繊維状で他の低
融点のポリエチレン溶融成形体の中に分散された
ものであつた。そのシート体の物体を表に示す。
寸法安定性は90℃±２℃にて72時間放置したとき
の変化度で表わされている。 実施例 ２ 実施例１と同様の組成の細断片を作製し、これ
に10％のエチレン−酢酸ビニル共重合体の成型用
原料を添加し、実施例１と同様にして成形シート
を得た。その外観は実施例１と同様な成形体であ
つた。物性面では表に示すように著しい向上は認
められないが、実施例１の場合より押出量が20％
向上した。また、寸法安定性からみて成形性に優
れたものであつた。 TECHNICAL FIELD The present invention relates to a method of melt-kneading and molding using a fibrous sheet body, and in particular to a method of recycling scraps produced during the processing of automobile interior carpets and the like. BACKGROUND OF THE INVENTION Conventionally, scraps discharged during the processing of automobile interior carpets have been disposed of as waste. Only a small portion of the fibrous sheet is recovered by dehairing means and used as a raw material for felt and the like. When dehairing the fibers from this fibrous sheet, usually
A method is adopted in which the fibrous material is scraped off using a dehairing machine that rotates a rotating drum with needles on its surface. According to this method, only long fibers such as tufted carpet can be dehaired.
End materials such as needle-punch carpets with short fiber lengths cannot be dehaired, so they are disposed of as waste. Utilizing such offcuts is also preferable from the point of view of effective use of resources. OBJECTS OF THE INVENTION An object of the present invention is to provide a method for simply and inexpensively melt-kneading fibrous sheet bodies such as carpet offcuts without performing treatments such as dehairing. Another object of the present invention is to provide a method for effectively utilizing carpet scraps that cannot be dehaired. Summary of the Invention The method of melt-kneading and molding using a fibrous sheet body of the present invention is characterized in that the thermoplastic fibers having a high melting point composition are fixed in a raised manner to a backing material having a low melting point composition and mainly composed of a thermoplastic resin. The method includes a step of cutting the sheet material into pieces, and a step of melting and kneading the cut material to melt only the low melting point composition and dispersing the high melting point composition fibers in the melt in the form of fibers. However, the above objective is thereby achieved. Examples The present invention will be described below with reference to examples. The carpet scrap material used in the present invention is, for example, a fibrous sheet body 1 as shown in FIG. This is a material in which thermoplastic fibers 12 having a high melting point composition are attached in a raised manner to a backing material 11 having a low melting point composition mainly composed of a thermoplastic resin. This backing material 11 is made of a low melting point sheet material such as polyethylene resin or ethylene-vinyl acetate copolymer, and if necessary, calcium carbonate, calcium hydroxide, aluminum hydroxide, mica, talc, etc. Inorganic fillers are mixed. The raised fibers 12 are made of, for example, high melting point thermoplastic fibers such as acrylic, nylon, and saturated polyester, and/or blends thereof. As shown in FIG. 2, the fibrous sheet body 1 is cut into small pieces 10 by appropriate means. The shape and dimensions are not particularly limited as long as they can be used in the kneading melt forming machine 2. If the width is 25 mm or less, it is preferable in that the degree of mixing with a thermoplastic resin with a low melting point composition or an inorganic filler to be mixed as necessary is good. By mixing other materials such as this inorganic filler, it is possible to reduce the variation in quality of the final molded product due to raw materials composed of various compositions, or to improve moldability. Inorganic fillers are effective in improving the physical properties of final molded products, such as heat resistance, dimensional stability, and mechanical strength, and in imparting functionality, such as vibration damping effects. Such inorganic fillers include, for example, calcium carbonate, mica, talc, aluminum hydroxide, and the like. These pieces 10 are then melt-kneaded by a melt-kneader 2
is supplied via the supply hopper 21. Then, extrude the melted kneaded material from the molding die 22,
The desired molded body 3 is obtained through the take-up/cooling roll 23. The type of the melt kneader 2 is not particularly limited, and may be a single-screw type or a two-screw type. A twin-screw type is more preferable in that the feedstock can be more smoothly filled into the screw. The temperature conditions for molding are set to a molding temperature suitable for a composition having a relatively low melting point, such as polyethylene, polypropylene, ethylene vinyl acetate, etc., among the raw materials to be supplied. Its temperature is below 180℃.
Therefore, among the raw material compositions, fibers having a relatively high melting point, such as nylon, acrylic, polyester, etc., are molded while maintaining the shape of the fibers in a matrix having a low melting point composition. A foamed molded product can also be obtained by adding an appropriate amount of foaming agent during molding. The molded body 3 thus obtained as shown in FIG. 4 is reinforced with fibers and therefore has high strength. If the molding is carried out at the temperature of the high melting point composition, there is a risk that the low melting point components in the raw materials will decompose and gasify, making it difficult to obtain a good molded product. The sheet-like molded product 3 obtained in this way can be used as it is, but if necessary, it can be laminated with other materials 4 such as nonwoven fabric, film, foam, etc. It is also possible to form a composite molded body 5 as shown in the figure. Sheet molded body 3 and composite molded body 5 with other materials
If necessary, any shaped body can be obtained by processing such as pressure molding or vacuum forming. Example 1 As a fibrous sheet body, scraps from the processing of automobile interior carpets were used. The backing material for this scrap material is a polyethylene sheet with an amount of about 200 to 250 g/m 2 . Part of it is filled with ethylene-vinyl acetate copolymer and calcium carbonate. The nap-like fibers of this end material were of a needle-punch carpet type made of a blend of polypropyne fiber and nylon. This scrap material was put into a shredder and the backing material was shredded into 5 mm width pieces. 2 pieces of this
Put it in a screw-type melt-kneading extruder,
Screw temperature 150~160℃ and mold temperature
A sheet-like product was molded at 180°C. This was cooled using a cooling and take-up roll to obtain a sheet body. The obtained sheet body had polypropylene fibers and nylon fibers having a high melting point composition dispersed in a fibrous form in another melt-molded body of polyethylene having a low melting point composition. The objects of the sheet body are shown in the table.
Dimensional stability is expressed as the degree of change when left at 90°C±2°C for 72 hours. Example 2 Fine pieces having the same composition as in Example 1 were prepared, and a molding sheet of 10% ethylene-vinyl acetate copolymer was added thereto to obtain a molded sheet in the same manner as in Example 1. The appearance of the molded product was similar to that of Example 1. In terms of physical properties, as shown in the table, no significant improvement was observed, but the extrusion rate was 20% higher than in Example 1.
Improved. In addition, it had excellent moldability in terms of dimensional stability.

【表】 実施例 ３ 実施例１と同様な方法で得られた成形シートを
所定の寸法に切断したのち、155℃の雰囲気中で
２分間加熱し、これを第６図に示すような頂部に
深さ２cmの凹みのある台形状（高さ７cm）の型７
にセツトした。そして、２Kg／cm2の圧力で賦形成
形して所望の成形体を得た。 実施例 ４ 実施例１と同様な方法で成形シートを得るとと
もに不織布（ポリプロピレン製，目付量150g／
cm2）を積層した複合シート体を得た。この複合シ
ート体を実施例３と同様な条件で賦形成形し複合
シートによる所望の成形体を得ることができた。 発明の効果 本発明のシート成形体は、このように、低融点
組成のマトリツクス中に高融点組成の繊維が繊維
状のままで分散したものであるため、繊維が補助
材の機能を果たし強度が高い。この成形体を単独
で賦形しあるいは必要に応じて他の材料と複合さ
せて賦形することにより種々の用途、例えば、裏
打ち材、下地材、芯材、土木用せき板、ドアの芯
材、コンテナーの仕切板、自動車のトランクルー
ムの内張やランプカバーと車内との仕切などに供
せられうる。その結果、従来は端材として廃棄処
分されていたものが安価にしかも有効に利用され
ることになる。[Table] Example 3 A molded sheet obtained in the same manner as in Example 1 was cut into predetermined dimensions, heated in an atmosphere of 155°C for 2 minutes, and then cut into the top part as shown in Figure 6. Trapezoidal mold 7 (height 7cm) with a 2cm deep depression
It was set to . Then, a desired molded product was obtained by shaping at a pressure of 2 kg/cm 2 . Example 4 A molded sheet was obtained in the same manner as in Example 1, and a nonwoven fabric (made of polypropylene, basis weight 150 g/
cm 2 ) was laminated to obtain a composite sheet body. This composite sheet body was shaped and formed under the same conditions as in Example 3, and a desired molded body of the composite sheet could be obtained. Effects of the Invention As described above, the sheet molded article of the present invention has fibers with a high melting point composition dispersed in a matrix with a low melting point composition, so that the fibers function as an auxiliary material and have increased strength. expensive. By shaping this molded product alone or in combination with other materials as necessary, it can be used for various purposes, such as lining material, base material, core material, civil engineering sheathing, and door core material. It can be used as a container partition plate, the lining of a car trunk, or the partition between a lamp cover and the inside of a car. As a result, what would previously have been disposed of as scraps can be used more effectively and at a lower cost.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明に用いるカーペツト加工時の端
材の斜視図、第２図はその端材の細断片の斜視
図、第３図は本発明に用いる溶融混練成形機の概
略説明図、第４図および第５図はそれぞれ本発明
において得られるシート成形体および複合成形体
の部分斜視図、第６図は成形型の一例を示す斜視
図である。 １……端材、２……溶融混練機、３……シート
成形体、４……他材料、５……複合成形体、１０
……細断片、１１……裏打材、１２……起毛状繊
維、２１………ホツパー、２２……成形用金型、
２３……ローラ。 Fig. 1 is a perspective view of the offcuts used in the present invention during carpet processing, Fig. 2 is a perspective view of fine pieces of the offcuts, and Fig. 3 is a schematic explanatory view of the melt kneading machine used in the present invention. 4 and 5 are partial perspective views of a sheet molded body and a composite molded body obtained in the present invention, respectively, and FIG. 6 is a perspective view showing an example of a mold. 1... Offcuts, 2... Melt kneading machine, 3... Sheet molded body, 4... Other materials, 5... Composite molded body, 10
...Fine pieces, 11... Backing material, 12... Raised fiber, 21... Hopper, 22... Molding mold,
23... Laura.

Claims (1)

【特許請求の範囲】 １ 熱可塑性樹脂を主成分とする低融点組成の裏
打材に高融点組成の熱可塑性繊維が起毛状に固着
されてなる繊維状シート体を細片化する工程と、
該細片化物を溶融混練して該低融点組成物のみを
溶融させ、該溶融物中に高融点組成繊維を繊維状
のまま分散させる工程とを包含する、繊維状シー
ト体を用いた溶融混練成形方法。 ２ 前記低融点組成物はポリエチレン，ポリプピ
レン，エチレン−酢酸ビニル共重合体，アクリル
樹脂，塩化ビニールおよび塩化ビニリデンのうち
の少なくとも一種でなる特許請求の範囲第１項に
記載の方法。 ３ 前記高融点組成物は、アクリル，ナイロンお
よびポリエステルのうちの少なくとも一種である
特許請求の範囲第１項に記載の方法。 ４ 前記低融点組成物は融点が180℃以下である
特許請求の範囲第１項に記載の方法。 ５ 前記高融点組成物は融点が180℃以上である
特許請求の範囲第１項に記載の方法。[Scope of Claims] 1. A step of cutting into pieces a fibrous sheet body in which thermoplastic fibers with a high melting point composition are adhered in a raised form to a backing material with a low melting point composition mainly composed of a thermoplastic resin;
Melt-kneading using a fibrous sheet body, including the steps of melt-kneading the shredded material to melt only the low-melting point composition, and dispersing the high-melting point composition fibers in the melt in the fibrous state. Molding method. 2. The method according to claim 1, wherein the low melting point composition is at least one of polyethylene, polypropylene, ethylene-vinyl acetate copolymer, acrylic resin, vinyl chloride, and vinylidene chloride. 3. The method according to claim 1, wherein the high melting point composition is at least one of acrylic, nylon, and polyester. 4. The method according to claim 1, wherein the low melting point composition has a melting point of 180°C or less. 5. The method according to claim 1, wherein the high melting point composition has a melting point of 180°C or higher.
JP58218428A 1983-11-18 1983-11-18 Melting, kneading and molding method of fibrous sheet Granted JPS60109806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58218428A JPS60109806A (en) 1983-11-18 1983-11-18 Melting, kneading and molding method of fibrous sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58218428A JPS60109806A (en) 1983-11-18 1983-11-18 Melting, kneading and molding method of fibrous sheet

Publications (2)

Publication Number Publication Date
JPS60109806A JPS60109806A (en) 1985-06-15
JPH0315525B2 true JPH0315525B2 (en) 1991-03-01

Family

ID=16719752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58218428A Granted JPS60109806A (en) 1983-11-18 1983-11-18 Melting, kneading and molding method of fibrous sheet

Country Status (1)

Country Link
JP (1) JPS60109806A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5876827A (en) * 1992-02-10 1999-03-02 Polyloom Corporation Of America Pile carpet
US5240530A (en) * 1992-02-10 1993-08-31 Tennessee Valley Performance Products, Inc. Carpet and techniques for making and recycling same
BE1005744A4 (en) * 1992-03-11 1994-01-11 Wetenschappelijk En Tech Ct Vo Method for recycling carpet waste and the product obtained
DK0583595T3 (en) * 1992-07-20 1996-09-23 Bayer Ag Impact-resistant, optionally filled polyamide blends with polyamide / polyethylene combination foil waste
EP0583504A1 (en) * 1992-08-20 1994-02-23 Thomas Gebing Method and apparatus for producing laminated panels for compression moulded automobile interior linings and panels thus produced
DE4238196A1 (en) * 1992-10-30 1994-05-05 Vorwerk Co Interholding Carpeting
DE4241172A1 (en) * 1992-12-07 1994-06-09 Vorwerk Co Interholding Plastic component manufactured in the plastic injection molding process
DE4244173A1 (en) * 1992-12-24 1994-06-30 Vorwerk Co Interholding Mat goods made from a fleece
US5294384A (en) * 1993-03-25 1994-03-15 Monsanto Company Thermoplastic composition and method for producing thermoplastic composition by melt blending carpet
US5855981A (en) * 1994-02-09 1999-01-05 Collins & Aikman Floorcoverings, Inc. Process of recycling waste polymeric material and an article utilizing the same
US6860953B1 (en) * 1994-02-09 2005-03-01 Collins & Aikman Floorcoverings, Inc. Process for manufacturing a floor covering having a foamed backing formed from recycled polymeric material
WO1996027485A1 (en) * 1995-03-07 1996-09-12 W.R. Grace & Co.-Conn. Method of recycling polymer materials and sheet article made thereby
AU6230598A (en) * 1998-02-23 1999-09-06 Masao Konishi Molded article using waste plastics and waste paper as principal materials, and production method thereof
CN103447591B (en) 2012-05-28 2020-02-28 钴碳化钨硬质合金印度有限公司 Quadrangular indexable drill insert
CN112077369A (en) 2019-06-13 2020-12-15 肯纳金属印度有限公司 Indexable drill insert
CN112077370B (en) 2019-06-13 2024-10-01 肯纳金属印度有限公司 Indexable drill insert
CN112388033B (en) 2019-08-14 2024-10-25 肯纳金属印度有限公司 Indexable drill inserts

Also Published As

Publication number Publication date
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