DE1704981A1 - Process for the production of polyester resin press mats in a direct production process - Google Patents

Process for the production of polyester resin press mats in a direct production process

Info

Publication number
DE1704981A1
DE1704981A1 DE19671704981 DE1704981A DE1704981A1 DE 1704981 A1 DE1704981 A1 DE 1704981A1 DE 19671704981 DE19671704981 DE 19671704981 DE 1704981 A DE1704981 A DE 1704981A DE 1704981 A1 DE1704981 A1 DE 1704981A1
Authority
DE
Germany
Prior art keywords
polyester resin
production
mats
resin press
manufacturing
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
DE19671704981
Other languages
German (de)
Inventor
Kurt Dreiskaemper
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.)
SILIKATTECHNIK GmbH
Original Assignee
SILIKATTECHNIK GmbH
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 SILIKATTECHNIK GmbH filed Critical SILIKATTECHNIK GmbH
Publication of DE1704981A1 publication Critical patent/DE1704981A1/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/587—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/12—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of short length, e.g. in the form of a mat
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/645—Impregnation followed by a solidification process
    • 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
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B29K2105/128—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles in the form of a mat
    • 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
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass

Description

Verfahren zur Herstellung von Polyesterharz-Preßrnatten in einem direkten Hevsteljungsverfahren Die Erfindung betrifft ein Verfahren, das es ermöglicht, Polyesterharz Preßmotten, die in der einschlägigen Industrie als Prepregs bekannt sind, ausgehend von der Glasseide-Erzeugung in einem direkten Herstellungsverfahren rationell herzustellen.Process for the production of polyester resin press rams in a direct Hevsteljungs method The invention relates to a method which enables polyester resin Press moths known in the industry as prepregs starting from the production of fiberglass in a direct manufacturing process.

Die Industrie der giasfaserverstärkten Kunststoffe, speziell die Verarbeitung glasfaserverstärkter ungesättigter Polyesterharze gewinnt wachsende Bedeutung, und innerhalb dieses Sektors der Kunststoffverorbeitung hat sich besonders die Verarbeitung von Polyesterharz-Preßmatten im Rahmen der Verarbeitung von glasfaserverstärktem Polyester wegen der eindeutigen technologischen Vorteile gegenüber anderen Verarbeitungsmethoden als zukunftsweisend gezeigt. Als Polyesterharz- Preßmatten bezeichnet man mit ungesättigten Polyestern, entsprechenden Katalysatoren und geeigneten Füllstoffen vorimprägnierte Glasfasermatten, die bei Temperatur- und Druckeinwirkung durch Fließen die Konßuren der Druckformen ausfüllen, wobei eine möglichst gleichmä#ige Verteilung des Glasgehaltes in allen Konturen wünschenswert ist. The glass fiber reinforced plastics industry, especially the Processing of glass fiber reinforced unsaturated polyester resins is gaining growing Importance, and within this sector of plastics processing has become particularly the processing of polyester resin press mats as part of the processing of glass fiber reinforced Polyester because of its clear technological advantages over other processing methods shown as trend-setting. Polyester resin press mats are called unsaturated ones Preimpregnated polyesters, appropriate catalysts and suitable fillers Glass fiber mats that form the cones when exposed to temperature and pressure of the printing forms, whereby a distribution of the glass content as evenly as possible is desirable in all contours.

Bei den bisher bekannten Verfahren der Polyesterharz-Pre#matten-Herstellung war man darauf angewiesen, entweder fertig konfektionierte Glasfaser~ matten mit löslichem oder unlöslichen: Binder für die Vorimprögnierung zu verwenden, oder aber die Matten auf einer der Polyesterharz-Preßmatter-Herstellungsanlage vorgeschalteten Anlage ohne Binder, ausgehend von sogenannten Rovings, herzustellen. Als Roving bezeichnet man Glasfasersnaterial, das von aufgespulten Spinnfäden, gebildet aus bis zu 200 Eletarfäden direkt aus der Spinndüse,mehrfach, 30 bis 60fach, gefacht wird und handelsüblich normalerweise auf 15 kg-Spulen dem Verarbeiter geiiefert wird. Diese Rovings werden dem Schneidwerk einer Polyesterharz-Pre@m@@ten-Verarbeitungsmaschine zugeführt, auf die gewünschte Länge @@@@@@ und bilden so als ungebundene Matte das Verstärkungselement de@ Polyesterharz-Pre@matte. In the previously known processes of polyester resin pre # mat production one was dependent on either prefabricated glass fiber mats with Soluble or insoluble: binders to use for the pre-impregnation, or else the mats upstream on one of the polyester resin press mat production line Manufacture of a system without a binder, starting with so-called rovings. As a roving is called glass fiber material, which is formed from spooled threads up to 200 eletar threads directly from the spinneret, multiple, 30 to 60 times, ply is usually delivered to the processor on 15 kg spools as is customary in the trade will. These rovings are fed to the cutting unit of a polyester resin pre @ m @@ ten processing machine fed to the desired length @@@@@@ and thus form the unbound mat Reinforcement element de @ polyester resin pre @ matte.

@@@ Polyesterharz-Pre#matten-Herstellung nach diesen Verfahren ha@ den @@@chteil der verhäl@nismä#ig hohen Kosten, die durch die Vielzahl der Verfahren zur Herstellung von Polyesterharz-Pre#matten in einem direkten Herstellungsverfahren Hinzu kommt, daß die Glasseidefäden bei Umspulung zu Rovings und dem Wiederabspulen zum Zerschneiden leiden und dadurch an Festigkeit verlieren, die gerade für die Verarbeitung zu Polyesterharz-Preßmatten so interessant und wichtig ist, abgesehen von dem Verlust an Glasseide, der bei der Umspulerei entsteht. Desweiteren besteht die Gefahr, daß bei Rovingherstellung bei anschließender Lagerung und dem Transport die Glasseide an der Oberfläche Feuchtigkeit annimmt, dia sich bei dem anschließenden Verbund mit dem Polyesterharz negativ auswirkt. @@@ Polyester resin pre # mat production using this process ha @ the @@@ ch part of the relatively high costs caused by the multitude of procedure for the production of polyester resin pre # mats in a direct manufacturing process In addition, the fiberglass threads become rovings when rewinding and rewinding suffer to cut and thereby lose strength, which is just for the Processing into polyester resin press mats is so interesting and important aside of the loss of fiberglass that occurs during rewinding. Furthermore there is the risk of roving production during subsequent storage and transport the glass fiber on the surface absorbs moisture, which is reduced by the subsequent Bond with the polyester resin has a negative effect.

Der Erfindung lag die Aufgabe zugrunde, ein Verfahren zur Herstellung von Polyesterharz-Preßmatten zu entwickeJn, das die aufgefUhrten Nachteile weitgehend beseitigt.The invention was based on the object of a method for production of polyester resin press mats that largely eliminate the disadvantages mentioned eliminated.

Die Aufgabe wurde gelöst, indem ein Herstellungsverfahren entwickelt wurde, das in e i n e m Fertigungsbetrieb die Herstellung von Polyesterharz-Pre#-matten in einem d i ie k t e n verkürzten Arbeitsgang ermöglicht. Dabei entfallen nicht nur die sonst notwendigen fadenbeschädigenden, kostehaufwendigen und verlusterhöhenden Umspularbeiten, sondern auch die Lagerung und der Transport. Das Verfahren hat den nachfolgend beschriebenen Aufbau und Arbeitsablauf: Nach einem bekannten Verfahren werden aus einer Spinndüse im Normalfall 200 Elementarfäden abgezogen (1), die als ein zusammengefaßter Faden zu einer Spule aufgespult werden, die üblicherweise ein Gewicht von 1,5 kg hat (2). Nach der anschließenden Trocknung in einem Trockenofen (3) werden diese Spulen über eine 30 bis 60 Spulen fassende Abspulvorrichtung direkt in das Schneidwerk einer Polyesterharz-Pre#matten-Maschine abgespult (4), wo die auf die gewunschte Lange geschnittenen Glosseide-Fäden nach einem bekannten Tränkverfahren zu Potyesterharz- Preßmatten verarbeitet werden (5 ). Falls die Glasseide ohne Zugabe von Prapararntion von DUse herunter aufgespult wird und die Haftmittel dem Harz zugeeLäen w entfällt der Arbeitsgang der Trocknung. Es besteht also bei diesem Verfahren die Möglichkeit, die Aufspulung der Glasseide-Fäden zu Rovings und dus Abspulen vollkommen auszuschalten, wodurch ein preis- und qualitätsmä#ig @@nstig@@es @lproduk@ erzeugt werden kann.The task was solved by developing a manufacturing process The production of polyester resin pre # mats in a manufacturing plant in a very shortened work step. Do not omit only the otherwise necessary thread-damaging, costly and loss-increasing Rewinding work, but also storage and transport. The procedure has the Structure and workflow described below: According to a known method 200 filaments are normally withdrawn from a spinneret (1), which are used as a combined thread to be wound into a bobbin, which is usually a Has a weight of 1.5 kg (2). After the subsequent drying in a drying oven (3) These bobbins are delivered directly via an unwinding device with a capacity of 30 to 60 bobbins unwound in the cutting unit of a polyester resin pre # mat machine (4), where the Glossy silk threads cut to the desired length using a well-known soaking process processed into polyester resin press mats (5). If the fiberglass without an addition of preparation is wound down by DUse and the adhesive is attached to the resin The drying process is omitted. So there is with this procedure the possibility of winding the fiberglass threads into rovings and unwinding can be completely switched off, whereby a price- and quality-moderate @@ nstig @@ es @ lproduk @ can be generated.

Claims (3)

Verfahren zur Herstellung von Polyesterharz-Pre#matten in einem direkten Herstellungsverfahren Patentansprüche: 1. Verfahren zur Herstellung von Polyesterharz-Preßmatten in einem d i r e k t e n Herstellungsverfahren, dadurch gekennzeichnet, daß die zur Herstellung benötigte, noch dem Spinnen aufgespulte Glasseide unter Ausschaltung der Umspulung zu Rovings d i r e k t über Zettelbäume abgespult dem Schneidwerk einer Polyesterharz-Pre#matten-Anlage zugeführt wird.Process for the production of polyester resin pre # mats in one direct Manufacturing process Claims: 1. Process for the production of polyester resin press mats in a d i r e k t e n manufacturing process, characterized in that the Glass silk that was still wound up for spinning and was switched off, required for production the rewinding to rovings d i r e c t unwound over note trees to the cutting unit a polyester resin pre # mat system is fed. 2 Verfahren zur Herstellung von Polyesterharz-Preßmatten in einem d i r e k t e n Herstellungsverfahren nach Anspruch 1, dadurch gekennzeichnet, daß die aufgespulte Glassei@de vor der Weiterführung zvm Zettelbaum getrocknet wird.2 process for the production of polyester resin press mats in one d i r e k t e n manufacturing method according to claim 1, characterized in that the wound up glass egg is dried on the note tree before it is continued. 3. Verfahren zur Herstellung von Polyesterharz-Pre#matten in einem d i r e k t e n Herstellungsverfahren nach Anspruch 1 und 2, dodurch gekennzeichnet, daß in dem Raum zwischen der Glasseide-Trocknung und der Einbettung der Glasseide-Fäden in das Polyesterharz die Luft getrocknet ist, so daß sich in dem dazwischenliegenden Arbeitsgang keine oder relativ wenig Luftteuchtigkeit auf der Oberfläche der Glasseide niederschlagen kann L e e r s e i t e3. Process for the production of polyester resin pre # mats in one d i r e k t e n manufacturing method according to claims 1 and 2, characterized in that, that in the space between the fiberglass drying and the embedding of the fiberglass threads in the polyester resin the air is dried, so that in the intermediate Operation no or relatively little air humidity on the surface of the glass fiber can knock down L e r s e i t e
DE19671704981 1967-02-15 1967-02-15 Process for the production of polyester resin press mats in a direct production process Pending DE1704981A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0108330 1967-02-15

Publications (1)

Publication Number Publication Date
DE1704981A1 true DE1704981A1 (en) 1971-06-03

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ID=7528706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671704981 Pending DE1704981A1 (en) 1967-02-15 1967-02-15 Process for the production of polyester resin press mats in a direct production process

Country Status (1)

Country Link
DE (1) DE1704981A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721025A1 (en) * 1994-12-21 1996-07-10 Hollinee Corp. Fiberglass laminate panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0721025A1 (en) * 1994-12-21 1996-07-10 Hollinee Corp. Fiberglass laminate panel

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