CN101974210A - Rapid moulding reinforced thermoplastic polyester - Google Patents

Rapid moulding reinforced thermoplastic polyester Download PDF

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Publication number
CN101974210A
CN101974210A CN2010105041885A CN201010504188A CN101974210A CN 101974210 A CN101974210 A CN 101974210A CN 2010105041885 A CN2010105041885 A CN 2010105041885A CN 201010504188 A CN201010504188 A CN 201010504188A CN 101974210 A CN101974210 A CN 101974210A
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China
Prior art keywords
district
temperature
ethylene glycol
thermoplastic polyester
fire retardant
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CN101974210B (en
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石明东
黄俊生
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Changzhou Weimao New Material Technology Co., Ltd.
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CHANGZHOU RETARDANT MATERIALS ENGINEERING TECHNOLOGY RESEARCH CENTER Co Ltd
JIANGSU AGT NEW MATERIAL TECHNOLOGY CO LTD
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    • 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
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • 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
    • 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
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K3/2279—Oxides; Hydroxides of metals of antimony
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/005—Stabilisers against oxidation, heat, light, ozone
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/18—Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/14—Macromolecular materials
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • 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
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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

Abstract

The invention belongs to the technology of high polymer material, in particular to a rapid moulding reinforced thermoplastic polyester. Polyethylene terephthalate is taken as matrix, nucleating agent, antioxygen, fire retardant and filler are added, and ethylene glycol is also added, wherein the polyethylene terephthalate accounts for 49-79wt%, the nucleating agent accounts for 0.1-3.5wt%, the antioxygen accounts for 0.2-1wt%, the ethylene glycol accounts for 0.2-4wt%, the fire retardant accounts for 10-18wt%, and the filler accounts for 10-40wt%. The invention solves the problems that the existing PET crystallization rate is low and plastic moulding is slow.

Description

Rapid shaping strengthens thermoplastic polyester
Technical field
The invention belongs to high polymer material technology, especially a kind of rapid shaping strengthens thermoplastic polyester.
Background technology
Polyethylene terephthalate (PET) is the higher crystal polymer thing of a kind of fusing point, the physical strength height, and heat-resisting, good electric property is commonly used to make fiber and oriented film.
PET is used for strengthening as engineering plastics, and its development is slow always, and its reason is under the normal mode temperature, and the PET crystallization velocity is too slow, and molding cycle is long, easy sticking to mould of goods and warpage.The PET crystallization velocity is slow, causes the slow problem of plastic shaping.
Summary of the invention
In order to overcome above-mentioned defective, the technical problem to be solved in the present invention is: slow at existing PET crystallization velocity, cause the problem of the slow problem of plastic shaping, and provide a kind of rapid shaping to strengthen thermoplastic polyester and preparation method thereof.
In order to overcome the defective that exists in the background technology, the technical solution adopted for the present invention to solve the technical problems is: a kind of thermoplastic polyester, it adopts polyethylene terephthalate as matrix, be added with nucleator, oxidation inhibitor, fire retardant and filler, also added ethylene glycol, wherein the mass percent of each component is as follows
Poly terephthalic acid ethylene glycol 49～79
Nucleator 0.1～3.5
Oxidation inhibitor 0.2～1
Ethylene glycol 0.2～4
Fire retardant 10～18
Filler 10～40.
Described in the present invention nucleator is Zinic stearas or Sodium Benzoate, adopted among the present invention ethylene glycol and Zinic stearas or with the Sodium Benzoate mating reaction, the polyethylene terephthalate crystallization velocity is improved.
Fire retardant described in the present invention is the compound of brominated Polystyrene and antimonous oxide, the quality proportioning 1: 2～4 of brominated Polystyrene and ANTIMONY TRIOXIDE SB 203 99.8 PCT.
The preparation method of the thermoplastic polyester described in the present invention has following steps
A. take by weighing raw material by weight ratio;
B. with pre-dry polyester 49～79wt%, nucleator 0.1～3.5wt%, promotor ethylene glycol 0.2～4wt%, oxidation inhibitor 0.2～1wt%, fire retardant 10～18wt% does in super mixer and mixes, and melt extrudes through twin screw extruder, and the side direction spout adds filler 10～40wt%;
Complete processing is as follows: 240～250 ℃ of district's temperature, 250～270 ℃ of two district's temperature, 260～270 ℃ of three district's temperature, 260～270 ℃ of four district's temperature, 260～70 ℃ of five district's temperature, 260～270 ℃ of six district's temperature, seven district's temperature 260～270,260～270 ℃ of eight district's temperature, 260～270 ℃ of nine district's temperature, 270 ℃ of heads;
C. discharging is extruded postcooling, drying, pelletizing and is got product.
Beneficial effect: the present invention adopts Zinic stearas as nucleator, ethylene glycol improves the crystallization rate of PET as nucleation accelerating agent, brominated Polystyrene has also improved the heat-drawn wire of material when improving the Flame Retardancy energy as fire retardant, improved the crystallization rate of enhancing polyethylene terephthalate (PET), make material can under the normal mode temperature, carry out molding processing, can replace common enhancing PBT and be used for Case of energy saving lamp, radiator fan, connector, coil rack etc.; The outward appearance of REINFORCED PET matrix material of the present invention is good, and the formed precision height; All auxiliary agents of the present invention, as nucleator, oxidation inhibitor, fire retardant, components such as glass fibre are commercially available prod cheap and easy to get, and production cost of products is lower.
Embodiment
PET is the 80-K that Liao Yang petrochemical company is produced.
It is four [β-(3 that oxidation inhibitor is selected chemical name for use, 5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester, trade(brand)name Irganox 1010, Switzerland Ciba company produces, auxiliary antioxidant selects three (2 for use, the 4-di-tert-butylphenol) phosphorous acid ester, trade(brand)name Irganox 168, and Switzerland Ciba company produces.
Nucleator is Zinic stearas, and is commercially available.
Promotor is ethylene glycol, and is commercially available.
Brominated Polystyrene is the 64HW of U.S. big lake company.
TDE is sky, Shandong one Chemical Manufacture.
Antimonous oxide is 1910 of a Hunan flash star.
Glass is the 988A that Zhejiang megalith group produces
Embodiment one
With pre-dry PET mass percent 57.1wt%, nucleator Zinic stearas mass percent 0.5wt%, antioxidant 1010 mass percent 0.2wt%, oxidation inhibitor 168 mass percent 0.2wt%, brominated Polystyrene 64HW mass percent 9wt%, antimonous oxide mass percent 3wt% does in super mixer and mixes, and melt extrudes through twin screw extruder, and the side direction spout adds glass fibre 988A mass percent 30wt%.
The DT-35 twin screw extruder that adopts letter rubber and plastics machine company limited of Kunshan section to produce is produced, and complete processing is as follows: 240 ℃ of district's temperature, 260 ℃ of two district's temperature, 270 ℃ of three district's temperature, 270 ℃ of four district's temperature, 270 ℃ of five district's temperature, 260 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 260 ℃ of eight district's temperature, 270 ℃ of nine district's temperature, 270 ℃ of heads, engine speed is 300 rev/mins, the about 20kg/h of output:
Embodiment two
With pre-dry PET mass percent 56.8wt%, nucleator Zinic stearas mass percent 0.5wt%, quality of glycol percentage ratio 0.3wt%, antioxidant 1010 mass percent 0.2wt%, oxidation inhibitor 168 mass percent 0.2wt%, brominated Polystyrene 64HW mass percent 9wt%, antimonous oxide mass percent 3wt% do in super mixer and mix, melt extrude through twin screw extruder, the side direction spout adds glass fibre 988A mass percent 30wt%.
The DT-35 twin screw extruder that adopts letter rubber and plastics machine company limited of Kunshan section to produce is produced, and complete processing is as follows: 240 ℃ of district's temperature, 260 ℃ of two district's temperature, 270 ℃ of three district's temperature, 270 ℃ of four district's temperature, 270 ℃ of five district's temperature, 260 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 260 ℃ of eight district's temperature, 270 ℃ of nine district's temperature, 270 ℃ of heads, engine speed is 300 rev/mins, the about 20kg/h of output
Comparative Examples 1
With pre-dry PET mass percent 57.6wt%, antioxidant 1010 mass percent 0.2wt%, oxidation inhibitor 168 mass percent 0.2wt%, TDE mass percent 9wt%, antimonous oxide mass percent 3wt% does in super mixer and mixes, melt extrude through twin screw extruder, the side direction spout adds glass fibre 988A mass percent 30wt%.
The DT-35 twin screw extruder that adopts letter rubber and plastics machine company limited of Kunshan section to produce is produced, and complete processing is as follows: 240 ℃ of district's temperature, 260 ℃ of two district's temperature, 270 ℃ of three district's temperature, 270 ℃ of four district's temperature, 270 ℃ of five district's temperature, 260 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 260 ℃ of eight district's temperature, 270 ℃ of nine district's temperature, 270 ℃ of heads, engine speed is 300 rev/mins, the about 20kg/h of output
Comparative Examples 2
With pre-dry PET mass percent 57.1wt%, nucleator Zinic stearas mass percent 0.5wt%, antioxidant 1010 mass percent 0.2wt%, oxidation inhibitor 168 mass percent 0.2wt%, TDE 9wt%, antimonous oxide mass percent 3wt% does in super mixer and mixes, and melt extrudes through twin screw extruder, and the side direction spout adds glass fibre 988A mass percent 30wt%.
The DT-35 twin screw extruder that adopts letter rubber and plastics machine company limited of Kunshan section to produce is produced, and complete processing is as follows: 240 ℃ of district's temperature, 260 ℃ of two district's temperature, 270 ℃ of three district's temperature, 270 ℃ of four district's temperature, 270 ℃ of five district's temperature, 260 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 260 ℃ of eight district's temperature, 270 ℃ of nine district's temperature, 270 ℃ of heads, engine speed is 300 rev/mins, the about 20kg/h of output
Comparative Examples 3
With pre-dry PET mass percent 56.8wt%, nucleator Zinic stearas mass percent 0.5wt%, quality of glycol percentage ratio 0.3wt%, antioxidant 1010 mass percent 0.2wt%, oxidation inhibitor 168 mass percent 0.2wt%, TDE mass percent 9wt%, antimonous oxide mass percent 3wt% do in super mixer and mix, melt extrude through twin screw extruder, the side direction spout adds glass fibre 988A mass percent 30wt%.
The DT-35 twin screw extruder that adopts letter rubber and plastics machine company limited of Kunshan section to produce is produced, and complete processing is as follows: 240 ℃ of district's temperature, 260 ℃ of two district's temperature, 270 ℃ of three district's temperature, 270 ℃ of four district's temperature, 270 ℃ of five district's temperature, 260 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 260 ℃ of eight district's temperature, 270 ℃ of nine district's temperature, 270 ℃ of heads, engine speed is 300 rev/mins, the about 20kg/h of output
Performance evaluation mode and implementation standard:
With the particulate material of finishing granulation as stated above in 120-140 ℃ convection oven dry 3-6 hour in advance, and then the particulate material that drying is good carried out the injection molding sample preparation on injection machine.The injection mold temperature control is about 50 ℃.
Notched Izod impact strength is pressed ISO 179 and is carried out, and specimen size is 80*10*4mm, and testing apparatus is the GT-7045-MDH type socle girder tester of the high Inland Steel in Taiwan.
The tensile property test is pressed ISO527-2 and is carried out, and specimen size is 150 * 10 * 4mm, and testing apparatus is the GT-TCS-2000 type electronic tensile machine of the high Inland Steel in Taiwan, and draw speed is 5mm/min.
The bending property test is undertaken by ISO 178, and specimen size is 80 * 10 * 4mm, and rate of bending is 3mm/min, and span is 64mm; Testing apparatus is the GT-TCS-2000 type electronic tensile machine of the high Inland Steel in Taiwan.
Heat-drawn wire is carried out by testing standard ISO 75, and specimen size is 120 * 10 * 4mm, and testing apparatus is the ZWK-13C2-3 type microcomputer control thermal distortion Vicat softening point test machine of beautiful this secret service industry System Co., Ltd.
Embodiment and Comparative Examples prescription and performance are relatively
? Embodiment 1 Embodiment 2 Comparative Examples 1 Comparative Examples 2 Comparative Examples 3
PET(％)? 57.1? ?56.8? ?57.6? ?57.1? ?56.8?
Zinic stearas (%) 0.5? ?0.5? ? ?0.5? ?0.5?
Ethylene glycol (%) ? ?0.3? ? ? ?0.3?
1010(％)? 0.2? ?0.2? ?0.2? ?0.2? ?0.2?
168(％)? 0.2? ?0.2? ?0.2? ?0.2? ?0.2?
TDE (%) ? ? ?9? ?9? ?9?
Brominated Polystyrene (%) 9? ?9? ? ? ?
Antimonous oxide (%) 3? ?3? ?3? ?3? ?3?
Glass (%) 30? ?30? ?30? ?30? ?30?
Tensile strength 115? ?124? ?104? ?108? ?115?
Flexural strength 160? ?180? ?150? ?175? ?183?
Modulus in flexure 8500? ?9500? ?6500? ?9000? ?9100?
Notched Izod impact strength 7.5? ?7.8? ?6.5? ?7.8? ?8.3?
Heat-drawn wire (1.8MPa) 208? ?222? ?74? ?130? ?155?

Claims (4)

1. a rapid shaping strengthens thermoplastic polyester, and it adopts polyethylene terephthalate as matrix, is added with nucleator, oxidation inhibitor, fire retardant and filler, it is characterized in that: also added ethylene glycol, wherein the mass percent of each component is as follows
Poly terephthalic acid ethylene glycol 49～79
Nucleator 0.1～3.5
Oxidation inhibitor 0.2～1
Ethylene glycol 0.2～4
Fire retardant 10～18
Filler 10～40.
2. rapid shaping as claimed in claim 1 strengthens thermoplastic polyester, and it is characterized in that: described nucleator is Zinic stearas or Sodium Benzoate.
3. rapid shaping as claimed in claim 1 strengthens thermoplastic polyester, and it is characterized in that: described fire retardant is the compound of brominated Polystyrene and antimonous oxide.
4. rapid shaping as claimed in claim 1 strengthens the preparation method of thermoplastic polyester, it is characterized in that: have following steps
A. take by weighing raw material by weight ratio;
B. with pre-dry polyester 49～79wt%, nucleator 0.1～3.5wt%, promotor ethylene glycol 0.2～4wt%, oxidation inhibitor 0.2～1wt%, fire retardant 10～18wt% does in super mixer and mixes, and melt extrudes through twin screw extruder, and the side direction spout adds filler 10～40wt%;
Complete processing is as follows: 240～250 ℃ of district's temperature, 250～270 ℃ of two district's temperature, 260～270 ℃ of three district's temperature, 260～270 ℃ of four district's temperature, 260～70 ℃ of five district's temperature, 260～270 ℃ of six district's temperature, seven district's temperature 260～270,260～270 ℃ of eight district's temperature, 260～270 ℃ of nine district's temperature, 270 ℃ of heads;
C. discharging is extruded postcooling, drying, pelletizing and is got product.
CN2010105041885A 2010-10-12 2010-10-12 Rapid moulding reinforced thermoplastic polyester Active CN101974210B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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