GB1280780A - Improvements in or relating to moulding compositions - Google Patents

Improvements in or relating to moulding compositions

Info

Publication number
GB1280780A
GB1280780A GB61424/70A GB6142470A GB1280780A GB 1280780 A GB1280780 A GB 1280780A GB 61424/70 A GB61424/70 A GB 61424/70A GB 6142470 A GB6142470 A GB 6142470A GB 1280780 A GB1280780 A GB 1280780A
Authority
GB
United Kingdom
Prior art keywords
polyamide
polyester
glass fibres
mixing
fibres
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
Application number
GB61424/70A
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
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 SNIA Viscosa SpA filed Critical SNIA Viscosa SpA
Publication of GB1280780A publication Critical patent/GB1280780A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/06—Polyamides derived from polyamines and polycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

1280780 Polymer compositions SNIA VISCOSA SOC NAZIONALE INDUSTRIA APPLICAZIONI VISCOSA 29 Dec 1970 [31 Dec 1969] 61424/70 Heading C3R A moulding composition consists of a synthetic linear polyamide, a synthetic linear polyester, and glass fibres. Also present may be 0À5% wt. calcium stearate lubricant. The polymers may be nylon 6 or 66 and polyethylene terephthalate, and may be in the form of scrap. The glass fibres may be 1-6 mm. long and 6-10 mm. in diameter. The polyamide : polyester weight ratio may be from 90 : 10 to 50 : 50, and the glass-fibres : polymer weight ratio may be from 40 : 60 to 10 : 90. Moisture content may be <0À05%. The composition may be prepared by (1) mixing polyamide and polyester, homogenizing by warm extrusion, granulating and mixing with glass fibres, and (2) homogenizing by warm extrusion and granulating. Alternatively step (1) may be replaced by (1<SP>1</SP>) mixing together polyamide, polyester and glass fibres.
GB61424/70A 1969-12-31 1970-12-29 Improvements in or relating to moulding compositions Expired GB1280780A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT879369 1969-12-31
IT2655269 1969-12-31

Publications (1)

Publication Number Publication Date
GB1280780A true GB1280780A (en) 1972-07-05

Family

ID=29217441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB61424/70A Expired GB1280780A (en) 1969-12-31 1970-12-29 Improvements in or relating to moulding compositions

Country Status (2)

Country Link
GB (1) GB1280780A (en)
NL (1) NL7001851A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414358A (en) 1980-07-14 1983-11-08 Imperial Chemical Industries Plc Filled compositions of thermoplastic polyamide and polyester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414358A (en) 1980-07-14 1983-11-08 Imperial Chemical Industries Plc Filled compositions of thermoplastic polyamide and polyester
US4415699A (en) 1980-07-14 1983-11-15 Imperial Chemical Industries Plc Extruded profiles

Also Published As

Publication number Publication date
NL7001851A (en) 1971-07-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees