DE29522131U1 - Molding by polymerization of lactams in molds - Google Patents

Molding by polymerization of lactams in molds

Info

Publication number
DE29522131U1
DE29522131U1 DE29522131U DE29522131U DE29522131U1 DE 29522131 U1 DE29522131 U1 DE 29522131U1 DE 29522131 U DE29522131 U DE 29522131U DE 29522131 U DE29522131 U DE 29522131U DE 29522131 U1 DE29522131 U1 DE 29522131U1
Authority
DE
Germany
Prior art keywords
molding according
composite material
fiber composite
mold
melt
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
DE29522131U
Other languages
German (de)
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.)
Schwartz GmbH
Original Assignee
Schwartz 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 Schwartz GmbH filed Critical Schwartz GmbH
Priority to DE29522131U priority Critical patent/DE29522131U1/en
Priority claimed from EP95927728A external-priority patent/EP0773865B1/en
Publication of DE29522131U1 publication Critical patent/DE29522131U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • 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
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/541—Positioning reinforcements in a mould, e.g. using clamping means for the reinforcement
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • 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
    • B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
    • 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
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (26)

1. Formteil gebildet durch Polymerisation von Lactamen in Formen unter Einbettung von Faserverbundmaterial, dadurch gekennzeichnet, daß das Faserverbundmaterial vor dem Polymerisationsvorgang in die Form zur Einbettung in das Formteil eingebracht und relativ zur Form ortsfest positioniert wird, wobei das Formteil ein großflächiges, im Fahrzeugbau einsteckbares Formteil ist.1. molded part formed by polymerization of lactams in molds with embedding of fiber composite material, characterized in that the fiber composite material is introduced into the mold for embedding in the molded part before the polymerization process and is positioned stationary relative to the mold, the molded part being a large-area insertable in vehicle construction Molding is. 2. Formteil nach Anspruch 1, dadurch gekennzeichnet, daß die Form mit dem eingelegten Faserverbundmaterial auf eine Temperatur von 120°C bis 190°C erwärmt wird.2. Molding according to claim 1, characterized in that the shape with the inserted fiber composite material at a temperature of 120 ° C to 190 ° C is heated. 3. Formteil nach Anspruch 2, dadurch gekennzeichnet, daß die Form mit dem eingelegten Faserverbundmaterial vorzugsweise auf eine Temperatur von 145°C bis 180°C erwärmt wird.3. Molding according to claim 2, characterized in that the shape with the inserted fiber composite material preferably to a temperature of 145 ° C to 180 ° C is heated. 4. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Faserverbundmaterial in einer großflächigen Form angeordnet und Lactame zur Polymerisation eingegossen werden, in welche das Faserverbundmaterial eingebettet wird. 4. Molding according to one of the preceding claims, characterized characterized in that the fiber composite material in a large area shape arranged and lactams are poured for polymerization, in which the fiber composite material is embedded.   5. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Faserverbundmaterial durch Glasfasern gebildet ist.5. Molding according to one of the preceding claims, characterized characterized in that the fiber composite material is formed by glass fibers is. 6. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Glasfasern ohne ionische Substanzen an der Oberfläche verwendet werden.6. Molding according to one of the preceding claims, characterized characterized in that glass fibers without ionic substances on the Surface can be used. 7. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein Glasanteil von 10 bis 70% eingestellt wird.7. Molding according to one of the preceding claims, characterized characterized in that a glass content of 10 to 70% is set. 8. Formteil nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Faserverbundmaterial durch Kunstoffasern gebildet ist.8. Molding according to one of claims 1 to 4, characterized in that the fiber composite material is formed by plastic fibers. 9. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als Faserverbundmaterial Nadelflies bzw. -filz verwendet wird.9. Molding according to one of the preceding claims, characterized characterized in that needle fiber or felt is used as the fiber composite material is used. 10. Formteil nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß als Faserverbundmaterial Rovings verwendet werden.10. Molding according to one of claims 1 to 8, characterized in that as Fiber composite material rovings can be used. 11. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als Faserverbundmaterial Gewebe verwendet werden.11. Molding according to one of the preceding claims, characterized characterized in that fabrics are used as fiber composite material. 12. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß als Faserverbundmaterial Matten verwendet werden.12. Molding according to one of the preceding claims, characterized characterized in that mats are used as the fiber composite material. 13. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Lactame zusammen mit Additiven vor dem Eingießen in die Form aufgeschmolzen werden.13. Molding according to one of the preceding claims, characterized characterized in that the lactams together with additives before Pour into the mold. 14. Formteil nach Anspruch 13, dadurch gekennzeichnet, daß die Schmelze auf eine Temperatur von 110°C bis 140°C gebracht wird. 14. Molding according to claim 13, characterized in that the melt a temperature of 110 ° C to 140 ° C is brought.   15. Formteil nach Anspruch 13, dadurch gekennzeichnet, daß die Schmelze vorzugsweise auf eine Temperatur von 116°C bis 125°C gebracht wird.15. Molding according to claim 13, characterized in that the melt is preferably brought to a temperature of 116 ° C to 125 ° C. 16. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Form nach dem Eingießen der Schmelze geschlossen und evakuiert wird.16. Molding according to one of the preceding claims, characterized characterized in that the mold after pouring the melt is closed and evacuated. 17. Formteil nach einem der vorhergehenden Ansprüche 1 bis 15, dadurch gekennzeichnet, daß die Form nach dem Schließen unter Druck gesetzt wird.17. Molding according to one of the preceding claims 1 to 15, characterized characterized in that the mold is pressurized after closing. 18. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Form nach dem Einlegen der Fasern nachgeheizt wird.18. Molding according to one of the preceding claims, characterized characterized in that the mold is reheated after inserting the fibers becomes. 19. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß durch die geschlossene Form Stickstoff hindurchgeleitet wird.19. Molding according to one of the preceding claims, characterized characterized in that nitrogen is passed through the closed mold becomes. 20. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Lactamschmelze in die geschlossene Form eingespritzt wird.20. Molding according to one of the preceding claims, characterized characterized in that the lactam melt into the closed form is injected. 21. Formteil nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Form nach dem Eingießen rotiert wird.21. Molding according to one of the preceding claims, characterized characterized in that the mold is rotated after pouring. 22. Formteil nach Anspruch 21, dadurch gekennzeichnet, daß die Form mit einer Geschwindigkeit von 30 bis 250 U/min rotiert wird.22. Molding according to claim 21, characterized in that the shape with a Speed of 30 to 250 rpm is rotated. 23. Formteil nach einem der Ansprüche 21 oder 22, dadurch gekennzeichnet, daß das Eingießen der Schmelze etappenweise erfolgt.23. Molding according to one of claims 21 or 22, characterized in that the melt is poured in stages. 24. Formteil nach einem der Ansprüche 21 bis 23, dadurch gekennzeichnet, daß die Form mit einer Geschwindigkeit von bis zu 2000 U/min rotiert wird. 24. Molding according to one of claims 21 to 23, characterized in that the mold is rotated at a speed of up to 2000 rpm.   25. Formteil nach einem der Ansprüche 21 bis 24, dadurch gekennzeichnet, daß der Einguß der Schmelze im Drehzentrum erfolgt.25. Molding according to one of claims 21 to 24, characterized in that the melt is poured into the turning center. 26. Formteil aus polymerisierten Lactamen, hergestellt nach dem Verfahren nach einem der Patentansprüche 1 bis 25, dadurch gekennzeichnet, daß das Faserverbundmaterial an vorher festgelegten Positionen angeordnet und eingebettet ist.26. Molded part made from polymerized lactams, produced by the process according to one of the claims 1 to 25, characterized in that the Fiber composite material arranged at predetermined positions and is embedded.
DE29522131U 1995-07-26 1995-07-26 Molding by polymerization of lactams in molds Expired - Lifetime DE29522131U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29522131U DE29522131U1 (en) 1995-07-26 1995-07-26 Molding by polymerization of lactams in molds

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29522131U DE29522131U1 (en) 1995-07-26 1995-07-26 Molding by polymerization of lactams in molds
EP95927728A EP0773865B1 (en) 1994-08-01 1995-07-26 Process for producing moulded parts by polymerisation of lactams in moulds

Publications (1)

Publication Number Publication Date
DE29522131U1 true DE29522131U1 (en) 2001-03-01

Family

ID=26058509

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29522131U Expired - Lifetime DE29522131U1 (en) 1995-07-26 1995-07-26 Molding by polymerization of lactams in molds

Country Status (1)

Country Link
DE (1) DE29522131U1 (en)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010405

R150 Term of protection extended to 6 years

Effective date: 20010301

R151 Term of protection extended to 8 years

Effective date: 20011023

R152 Term of protection extended to 10 years

Effective date: 20030919

R071 Expiry of right