CN107501873A - It is a kind of to be used to build polyester reinforcement of pedal and preparation method thereof - Google Patents
It is a kind of to be used to build polyester reinforcement of pedal and preparation method thereof Download PDFInfo
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- CN107501873A CN107501873A CN201610425710.8A CN201610425710A CN107501873A CN 107501873 A CN107501873 A CN 107501873A CN 201610425710 A CN201610425710 A CN 201610425710A CN 107501873 A CN107501873 A CN 107501873A
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- polyester reinforcement
- pedal
- ptt
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- 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of polyester reinforcement for being used to build pedal, by following components：Polybutylene terephthalate (PBT)（PBT）40 60 parts, PTT（PTT）0 10 parts；25 50 parts of glass fibre, 0.4 1.6 parts of processing aid, 9 14 parts of fire retardant is blended by weight, extruding pelletization is prepared.Polyester reinforcement prepared by the present invention has preferable intensity, toughness and flame retardant effect, for making building pedal than existing wooden, bamboo matter pedal good flame resistance；Lighter than steel pedal plate, corrosion resistance is more preferable；More preferable than nylon pedal weatherability, cost is lower.
Description
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of polyester reinforcement for being used to build pedal
And preparation method thereof.
Background technology
Polyethylene terephthalate (PBT) is crystalline thermoplastic polyester.With high-fire resistance, toughness, endurance
Property, self-lubricating, low-friction coefficient, weatherability, water absorption rate are low.Heat-proof water, bases, acids, oils, it can crystallize rapidly under low temperature,
The advantages of good forming ability.
PTT (PTT) be after polyethylene terephthalate the 1950s (PET) and
A kind of new polyester macromolecule material for the great development prospect newly researched and developed after the polybutylene terephthalate (PBT) seventies (PBT)
Material, the advantage such as have good mechanical property, good elasticity, wearability, water imbibition low.
It is building trade common tool to build pedal, is made more with plank, bamboo clappers or steel plate.Steel plate good flame resistance, but
It is the problem of product is heavy, corrosion-resistant is easily got rusty be present；And plank, bamboo clappers poor fire, there is disaster hidden-trouble.
In engineering plastics, reinforced polyamide can make building pedal, but hygroscopicity to be present high, resistance to for polyamide material
The problem of time property difference.And strengthening class polyethylene terephthalate/PTT alloy has preferably
Mechanical strength, more preferable compared to reinforced polyamide material weatherability, the cost of material is low, has bigger advantage.
The content of the invention
The present invention provides a kind of for building polyester reinforcement of pedal and preparation method thereof.The cost of material is low for this,
Intensity and good toughness, good flame retardation effect.
The purpose of the present invention is achieved through the following technical solutions：
A kind of polyester reinforcement for being used to build pedal, it is characterised in that：Prepared by weight by following components and
Into：
Polybutylene terephthalate (PBT) (PBT) 40-60 parts,
PTT (PTT) 0-10 parts,
Glass fibre 25-50 parts,
Processing aid 0.4-1.6 parts,
Fire retardant 9-14 parts.
Further scheme, the inherent viscosity of the PBT is 0.7-1.3dL/g, density 1.30-1.35g/cm3；It is described
PTT viscosity is 0.7-1.0dL/g, density 1.33-1.37g/cm3。
The processing aid is antioxidant and lubricant.
The antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters and phosphorous acid three
The compounding of (2,4- di-tert-butyl-phenyl) ester；The lubricant is pentaerythritol stearate or lignite wax.
The fire retardant is made up of main flame retardant and fire retarding synergist, and wherein main flame retardant is brominated epoxy resin, ten bromines
At least one of diphenylethane；The fire retarding synergist is at least one of sodium antimonate, antimony oxide.
It is a further object to provide it is above-mentioned be used for build pedal polyester reinforcement preparation method, its
It is characterised by：Comprise the following steps：
(1) by PBT and PTT at 110-120 DEG C forced air drying 3-5 hours；
(2) by weight ratio, by dried PBT 40-60 parts, PTT 0-10 parts and processing aid 0.4-1.6 parts, resistance
Agent 9-14 parts are fired to be well mixed in high-speed mixer together；
(3) well mixed material is added in double screw extruder, then by the glass fibre of 25-50 parts from side loading mouth
Feeding, it is extruded, be granulated to obtain polyester reinforcement；The temperature range of the double screw extruder is 190-250 DEG C.
Compared with prior art, the invention has the advantages that：
Polyester reinforcement prepared by the present invention be used for make pedal compared to it is existing it is wooden, bamboo matter pedal is fire-retardant
Effect is good；It is lighter than steel plate, it is corrosion-resistant, it will not get rusty；It is lower more resistant to time, cost than polyamide material.
Embodiment
The present invention is described in detail with reference to each embodiment, following examples are only that the present invention will be described rather than to it
It is limited.
Embodiment 1
(1) by PBT, PTT at 110 DEG C forced air drying 3 hours；
(2) 60 parts of dry PBT, 0.2 part of lignite wax, 0.1 part of four [β-(3,5- di-tert-butyl-hydroxy phenyl) are weighed
Propionic acid] pentaerythritol ester, 0.1 part of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, 10 parts of brominated epoxy resin, 4 parts of antimony
Sour sodium mixes 5 minutes in high-speed mixer；
(3) well mixed material is added in double screw extruder, then 25 parts of glass fibres is fed from its side loading mouth
Material, it is extruded, be granulated to obtain composite.Extruder temperature is arranged to：I 190 DEG C of area, 215 DEG C of IIth area, 230 DEG C of IIIth area, IVth area
240 DEG C, 235 DEG C of Vth area, 235 DEG C of VIth area, 235 DEG C of VIIth area, 235 DEG C of VIIIth area, 235 DEG C of IX areas, 235 DEG C of X areas, 240 DEG C of head.
Embodiment 2
(1) by PBT, PTT at 110 DEG C forced air drying 4 hours；
(2) 40 parts of dry PBT, 10 parts of PTT, 0.4 part of lignite wax, 0.1 part of four [β-(3,5- di-t-butyl -4- hydroxyls are weighed
Base phenyl) propionic acid] pentaerythritol ester, 0.2 part of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, 8 parts of brominated epoxy resin, 3
The sodium antimonate of part mixes 5 minutes in high-speed mixer；
(3) well mixed material is added in double screw extruder, then 35 parts of glass fibres is fed from its side loading mouth
Material, it is extruded, be granulated to obtain composite.Extruder temperature is arranged to：I 195 DEG C of area, 220 DEG C of IIth area, 230 DEG C of IIIth area, IVth area
240 DEG C, 240 DEG C of Vth area, 240 DEG C of VIth area, 235 DEG C of VIIth area, 235 DEG C of VIIIth area, 235 DEG C of IX areas, 235 DEG C of X areas, 240 DEG C of head.
Embodiment 3
(1) by PBT, PTT at 115 DEG C forced air drying 3 hours；
(2) 50 parts of dry PBT, 5 parts of PTT, 0.6 part of pentaerythritol stearate, 0.2 part of four [β-(3,5- bis- uncles are weighed
Butyl -4- hydroxy phenyls) propionic acid] pentaerythritol ester, 0.2 part of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, 8 parts of brominated
Oxygen tree fat, 2 parts of antimony oxide mix 5 minutes in high-speed mixer；
(3) well mixed material is added in double screw extruder, then 40 parts of glass fibres is fed from its side loading mouth
Material, it is extruded, be granulated to obtain composite.Extruder temperature is arranged to：I 195 DEG C of area, 220 DEG C of IIth area, 235 DEG C of IIIth area, IVth area
245 DEG C, 240 DEG C of Vth area, 240 DEG C of VIth area, 235 DEG C of VIIth area, 235 DEG C of VIIIth area, 235 DEG C of IX areas, 235 DEG C of X areas, 240 DEG C of head.
Embodiment 4
(1) by PBT, PTT at 120 DEG C forced air drying 3 hours；
(2) 45 parts of dry PBT, 8 parts of PTT, 1 part of pentaerythritol stearate, 0.3 part of four [β-(3,5- bis- tertiary fourths are weighed
Base -4- hydroxy phenyls) propionic acid] pentaerythritol ester, 0.3 part of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, 7 parts of decabrominated dipheny
Ethane, 2 parts of antimony oxide mix 5 minutes in high-speed mixer；
(3) well mixed material is added in double screw extruder, then 50 parts of glass fibres is fed from its side loading mouth
Material, it is extruded, be granulated to obtain composite.Extruder temperature is arranged to：I 195 DEG C of area, 220 DEG C of IIth area, 235 DEG C of IIIth area, IVth area
250 DEG C, 245 DEG C of Vth area, 240 DEG C of VIth area, 240 DEG C of VIIth area, 240 DEG C of VIIIth area, 240 DEG C of IX areas, 240 DEG C of X areas, 245 DEG C of head.
Embodiment 5
(1) by PBT, PTT at 110 DEG C forced air drying 5 hours；
(2) 45 parts of dry PBT, 3 parts of PTT, 1 part of pentaerythritol stearate, 0.3 part of four [β-(3,5- bis- tertiary fourths are weighed
Base -4- hydroxy phenyls) propionic acid] pentaerythritol ester, 0.3 part of phosphorous acid three (2,4- di-tert-butyl-phenyl) ester, 8 parts of decabrominated dipheny
Ethane, 2 parts of antimony oxide mix 5 minutes in high-speed mixer；
(3) well mixed material is added in double screw extruder, then 50 parts of glass fibres is fed from its side loading mouth
Material, it is extruded, be granulated to obtain composite.Extruder temperature is arranged to：I 200 DEG C of area, 220 DEG C of IIth area, 230 DEG C of IIIth area, IVth area
245 DEG C, 250 DEG C of Vth area, 250 DEG C of VIth area, 250 DEG C of VIIth area, 250 DEG C of VIIIth area, 250 DEG C of IX areas, 250 DEG C of X areas, 250 DEG C of head.
By polyester reinforcement prepared by above-described embodiment 1-5 at 110 DEG C after forced air drying 3 hours, by injection mechanism
Into batten, tested again after being placed 16 hours under 23 DEG C of constant temperature, test result is shown in Table 1；
Tensile bars are subjected to weather resistant experiment 1000h according to ASTM G154CYCLE2 conditions, test tensile strength is kept
Rate, test result are shown in Table 1.
By BASFA3U40G5 (PA66-GF25FR) material is tested as a comparison, is shown in Table 1 comparative example 1.
Table 1
It can be seen that from upper table 1：
1st, the polyester reinforcement density that prepared by the present invention is low, less than 1.8g/cm3, much smaller than steel material 7-8g/cm3's
Density, there is the advantages of light.
2nd, polyester reinforcement good flame resistance prepared by the present invention, reaches V-0 ranks；Than inflammable bamboo material, wooden
Material is safer.
3rd, the intensity of polyester reinforcement prepared by the present invention is high, and tensile strength reaches more than 135MPa；Erosion-resisting characteristics is good,
Reach 11KJ/m2More than；Wherein when adding 50 parts of glasses, its tensile strength and notch impact strength performance reach highest.
4th, polyester reinforcement prepared by the present invention has obvious resistance to relative to BASF PA class fire proofing A3U40G5
Time advantage, property retention rate is higher under long-term illumination, hygrothermal environment.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (10)
- A kind of 1. polyester reinforcement for being used to build pedal, it is characterised in that：It is prepared by weight by following components：PBT40-60 parts,PTT 0-10 parts,Glass fibre 25-50 parts,Processing aid 0.4-1.6 parts,Fire retardant 9-14 parts.
- A kind of 2. polyester reinforcement for being used to build pedal according to claim 1, it is characterised in that：The PBT Inherent viscosity be 0.7-1.3dL/g, density 1.30-1.35g/cm3；The viscosity of the PTT is 0.7-1.0dL/g, density For 1.33-1.37g/cm3。
- A kind of 3. polyester reinforcement for being used to build pedal according to claim 1, it is characterised in that：The processing Auxiliary agent is antioxidant and lubricant.
- A kind of 4. polyester reinforcement for being used to build pedal according to claim 3, it is characterised in that：The antioxygen Agent be four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid ］ pentaerythritol ester and phosphorous acid three（2,4- di-tert-butyl-phenyls） The compounding of ester.
- A kind of 5. polyester reinforcement for being used to build pedal according to claim 3, it is characterised in that：The lubrication Agent is pentaerythritol stearate or lignite wax.
- A kind of 6. polyester reinforcement for being used to build pedal according to claim 1, it is characterised in that：It is described fire-retardant Agent is made up of main flame retardant and fire retarding synergist.
- A kind of 7. polyester reinforcement for being used to build pedal according to claim 6, it is characterised in that：The main resistance Combustion agent is at least one of brominated epoxy resin, TDE.
- A kind of 8. polyester reinforcement for being used to build pedal according to claim 6, it is characterised in that：It is described fire-retardant Synergist is at least one of sodium antimonate, antimony oxide.
- A kind of 9. preparation method as claimed in claim 1 for being used to build the polyester reinforcement of pedal, it is characterised in that： Comprise the following steps：（1）By PBT, PTT at 110-120 DEG C forced air drying 3-5 hours；（2）By weight ratio, by dried PBT 40-60 parts, PTT 0-10 parts and processing aid 0.4-1.6 parts, fire retardant 9-14 parts are well mixed in high-speed mixer together；（3）Well mixed material is added in double screw extruder, then the glass fibre of 25-50 parts is fed from side loading mouth Material, it is extruded, be granulated to obtain polyester reinforcement.
- 10. a kind of preparation method for being used to build the polyester reinforcement of pedal according to claim 9, its feature exist In：The temperature range of the double screw extruder is 190-250 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425710.8A CN107501873A (en) | 2016-06-14 | 2016-06-14 | It is a kind of to be used to build polyester reinforcement of pedal and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610425710.8A CN107501873A (en) | 2016-06-14 | 2016-06-14 | It is a kind of to be used to build polyester reinforcement of pedal and preparation method thereof |
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| CN107501873A true CN107501873A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610425710.8A Pending CN107501873A (en) | 2016-06-14 | 2016-06-14 | It is a kind of to be used to build polyester reinforcement of pedal and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100432A (en) * | 2019-12-12 | 2020-05-05 | 会通新材料股份有限公司 | PBT/PTT composition and preparation method thereof |
| CN111304759A (en) * | 2020-02-10 | 2020-06-19 | 东华大学 | Stretching method of polyester industrial yarn |
| CN117551338A (en) * | 2024-01-12 | 2024-02-13 | 北京慕湖新材料技术有限公司 | Flame-retardant cold-resistant and damp-heat-resistant polyester composition and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093673A (en) * | 2011-01-18 | 2011-06-15 | 南通市东方塑胶有限公司 | Polyester having thermal ageing resistant performance and production method thereof |
-
2016
- 2016-06-14 CN CN201610425710.8A patent/CN107501873A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102093673A (en) * | 2011-01-18 | 2011-06-15 | 南通市东方塑胶有限公司 | Polyester having thermal ageing resistant performance and production method thereof |
| CN102093673B (en) * | 2011-01-18 | 2012-10-31 | 南通市东方塑胶有限公司 | Polyester having thermal ageing resistant performance and production method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100432A (en) * | 2019-12-12 | 2020-05-05 | 会通新材料股份有限公司 | PBT/PTT composition and preparation method thereof |
| CN111100432B (en) * | 2019-12-12 | 2022-03-22 | 会通新材料股份有限公司 | PBT/PTT composition and preparation method thereof |
| CN111304759A (en) * | 2020-02-10 | 2020-06-19 | 东华大学 | Stretching method of polyester industrial yarn |
| CN117551338A (en) * | 2024-01-12 | 2024-02-13 | 北京慕湖新材料技术有限公司 | Flame-retardant cold-resistant and damp-heat-resistant polyester composition and preparation method thereof |
| CN117551338B (en) * | 2024-01-12 | 2024-03-26 | 北京慕湖新材料技术有限公司 | Flame-retardant cold-resistant and damp-heat-resistant polyester composition and preparation method thereof |
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Application publication date: 20171222 |