CN109721971A - A kind of REINFORCED PET engineering plastics of rapid crystallization and preparation method thereof - Google Patents
A kind of REINFORCED PET engineering plastics of rapid crystallization and preparation method thereof Download PDFInfo
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- CN109721971A CN109721971A CN201910039349.9A CN201910039349A CN109721971A CN 109721971 A CN109721971 A CN 109721971A CN 201910039349 A CN201910039349 A CN 201910039349A CN 109721971 A CN109721971 A CN 109721971A
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- engineering plastics
- nucleating agent
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Abstract
The invention discloses a kind of REINFORCED PET engineering plastics of rapid crystallization, which includes the component of following mass parts: 38-96 parts of PET resin, 3-60 parts of glass fibre, 0.2-0.8 parts of antioxidant, 0.1-2 parts of nucleating agent, 0.3-2 parts of lubricant.The present invention also provides a kind of preparation methods of rapid crystallization REINFORCED PET engineering plastics, it selects raw material according to above-mentioned weight percent: and uniformly mix PET resin, nucleating agent, antioxidant and processing aid, obtain mixed raw material, it will be in above-mentioned mixed raw material and glass fibre investment twin-screw feeder, it is granulated through melting extrusion, obtains the REINFORCED PET engineering plastics of the rapid crystallization.The present invention is compounded using inorganic nucleator, is blended by twin-screw extrusion, to improve the crystalline rate of PET.
Description
Technical field
The present invention relates to REINFORCED PET engineering plastics of a kind of rapid crystallization and preparation method thereof.
Background technique
Ethylene glycol terephthalate (PET) is used as a kind of thermoplastic engineering plastic, has high intensity, high rigidity, good
The comprehensive performances such as heat resistance, excellent dimensional stability, chemical resistance, in electronic and electric components, machinery, automobile component etc.
It is used widely in field.Especially in recent years, due to PET excellent performance, lower production cost and higher performance valence
Lattice ratio, so that PET's will be used wider and wider.
But for a long time since PET self-molecules present chain structure is rigidly big, glass transition temperature is high, causes in actual life
Crystalline rate is too slow during production, and crystallinity is very low, and mold temperature is between 100 DEG C -150 DEG C, and injection cycle is long, greatly limits
It has been made in the development in engineering plastics field.The root problem for accelerating PET engineering progress is how to improve the crystallization speed of PET
Rate.
Summary of the invention
An object of the present invention is to provide a kind of REINFORCED PET engineering plastics of rapid crystallization, to solve due to PET itself
Molecular chain structure is rigidly big, the high reason of glass transition temperature, causes crystalline rate is too slow in actual production process to ask
Topic.
The second object of the present invention is to provide a kind of preparation method of the REINFORCED PET engineering plastics of rapid crystallization.
One of in order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of REINFORCED PET engineering plastics of rapid crystallization, which is characterized in that the PET material includes following components and weight
Part content:
According to one embodiment of present invention, wherein the PET resin is that relative density is 1.34-1.38, and fusing point is
254-258 DEG C, viscosity 0.75-1.0dl/g.
According to one embodiment of present invention, wherein the glass fibre is commercially available Mount Taishan glass ECS10-3.0-
T436。
According to one embodiment of present invention, wherein the lubricant is commercially available pentaerythritol stearate.
According to one embodiment of present invention, wherein the nucleating agent is commercially available analysis purified petroleum benzin sodium formate, 2- propylene
Acid, the polymer sodium salt of ethylene and the one or more compoundings of nanoscale talcum powder.
According to one embodiment of present invention, wherein the Hinered phenols antioxidant is four (β-(3,5- di-t-butyls-
4- hydroxy phenyl) propionic acid) pentaerythritol ester, the phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous acid
Ester.
In order to achieve the above objectives two, the invention adopts the following technical scheme:
A kind of preparation method of the REINFORCED PET engineering plastics of rapid crystallization, which is characterized in that this method includes following step
It is rapid:
(a) it stocks up according to following components and parts by weight content:
Twin-screw master is added in matrix PET, antioxidant, nucleating agent, lubricant etc. after mixing according to formula rate to feed
In glassware, glass fibre is added in twin-screw side feed material；
Start twin-screw, is squeezed out, drawn, water cooling, pelletizing operation is to get to product.
According to one embodiment of present invention, wherein the revolving speed of the twin-screw extrusion machine host is 250-350rpm, is squeezed
Temperature is 240-280 DEG C out.
The utility model has the advantages that
Compared with prior art, the present invention is by selecting different nucleating agent compoundings to realize using fairly simple technique
The REINFORCED PET engineering plastics that rapid crystallization is obtained while not influencing the mechanical property of PET, accelerate PET be engineered into
The crystalline rate of PET is improved in exhibition.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
Embodiment is further elaborated.It is real to should be appreciated that the specific embodiments described herein are merely illustrative of the present invention
Example is applied, embodiment is not intended to limit the present invention.
The embodiment of the present invention and comparative example use following raw material, but are not limited only to following raw material:
PET, far spinning CB-602；
Antioxidant, vapour bar 1010；
Antioxidant, vapour bar 168；
Lubricant, Long Sha EBS, Acrawax C；
Glass fibre, Mount Taishan T436W.
Embodiment 1:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 95.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 3% E glass fibre is added in extrusion process, is granulated.
Embodiment 2:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 95.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.2%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.3%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 3% E glass fibre is added in extrusion process, is granulated.
Embodiment 3:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 78.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 20% E glass fibre is added in extrusion process, is granulated.
Embodiment 4:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 78.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.2%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.2%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 20% E glass fibre is added in extrusion process, is granulated.
Embodiment 5:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 68.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 30% E glass fibre is added in extrusion process, is granulated.
Embodiment 6:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 68.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.2%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.3%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 30% E glass fibre is added in extrusion process, is granulated.
Embodiment 7:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 53.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 45% E glass fibre is added in extrusion process, is granulated.
Embodiment 8:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 53.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.2%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.2%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 45% E glass fibre is added in extrusion process, is granulated.
Embodiment 9:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 38.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 60% E glass fibre is added in extrusion process, is granulated.
Embodiment 10:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 38.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.2%；The polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.3%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 60% E glass fibre is added in extrusion process, is granulated.
Embodiment 11:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 95.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.1%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.1%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.4%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.6%；The lubricant pentaerythritol stearate 0.3%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 3% E glass fibre is added in extrusion process, is granulated.
Embodiment 12:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 78.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.1%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.3%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.2%；The nucleating agent nanoscale talcum powder 0.2%；The lubricant pentaerythritol stearate 1.0%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 20% E glass fibre is added in extrusion process, is granulated.
Embodiment 13:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 68.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.1%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.1%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.5%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.4%；The lubricant pentaerythritol stearate 0.4%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 30% E glass fibre is added in extrusion process, is granulated.
Embodiment 14:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 53.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.1%；The nucleating agent nanoscale talcum powder 0.1%；The lubricant pentaerythritol stearate 1.2%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 45% E glass fibre is added in extrusion process, is granulated.
Embodiment 15:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 38.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.3%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.3%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.3%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.3%；The nucleating agent nanoscale talcum powder 0.4%；The lubricant pentaerythritol stearate 0.3%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 60% E glass fibre is added in extrusion process, is granulated.
Embodiment 16:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 68.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the nucleating agent 2- acrylic acid 0.4%；It is described at
Core agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5% mixes 5 points in middling speed batch mixer
Clock is added 30% E glass fibre, is granulated by double screw extruder in extrusion process.
Embodiment 17:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 53.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent nanoscale talcum powder 0.1%；The lubricant pentaerythritol stearate 0.5%,
Middling speed batch mixer mixes 5 minutes, by double screw extruder, 45% E glass fibre is added in extrusion process, is granulated.
Embodiment 18:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of the present embodiment are as follows:
By weight percent PET resin 38.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The polymer sodium salt 1% of the nucleating agent 2- acrylic acid, ethylene；The lubricant pentaerythrite stearic acid
Ester 0.5% mixes 5 minutes in middling speed batch mixer, and by double screw extruder, 60% E glass fibre is added in extrusion process,
It is granulated.
Embodiment 19:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 87.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.4%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.5%；The nucleating agent nanoscale talcum powder 0.9%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 3% E glass fibre is added in extrusion process, is granulated.
Embodiment 20:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of the present embodiment are as follows:
By weight percent PET resin 76.8%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 1.8%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 20% E glass fibre is added in extrusion process, is granulated.
Comparative example 1:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of this comparative example are as follows:
By weight percent PET resin 89.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The lubricant pentaerythritol stearate 0.5% mixes 5 minutes in middling speed batch mixer, by twin-screw
10% E glass fibre is added in extrusion process, is granulated for extruder.
Comparative example 2:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of this comparative example are as follows:
By weight percent PET resin 59.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The lubricant pentaerythritol stearate 0.5% mixes 5 minutes in middling speed batch mixer, by twin-screw
30% E glass fibre is added in extrusion process, is granulated for extruder.
Comparative example 3:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of this comparative example are as follows:
By weight percent PET resin 39.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The lubricant pentaerythritol stearate 0.5% mixes 5 minutes in middling speed batch mixer, by twin-screw
60% E glass fibre is added in extrusion process, is granulated for extruder.
Comparative example 4:
The component and its weight percent content of the REINFORCED PET engineering plastics of the speed crystallization of this comparative example are as follows:
By weight percent PET resin 59.1%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.2%；The polymer sodium salt 0.3% of the nucleating agent 2- acrylic acid, ethylene；The nucleating agent nanoscale talcum powder
0.2%；It is mixed 5 minutes in middling speed batch mixer, by double screw extruder, 40% E glass fibre is added in extrusion process, makes
Grain.
Comparative example 5:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of this comparative example are as follows:
By weight percent PET resin 97%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4- hydroxyls
Base phenyl) propionic acid) pentaerythritol ester 0.2%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous acid
Ester 0.2%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium salt of the nucleating agent 2- acrylic acid, ethylene
0.1%；The nucleating agent nanoscale talcum powder 0.2%；The lubricant pentaerythritol stearate 0.2%, in middling speed
Batch mixer mixes 5 minutes, by double screw extruder, 2% E glass fibre is added in extrusion process, is granulated.
Comparative example 6:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of this comparative example are as follows:
By weight percent PET resin 83.2%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.4%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.4%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 5%, in middling speed
Batch mixer mixes 5 minutes, by double screw extruder, 10% E glass fibre is added in extrusion process, is granulated.
Comparative example 7:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of this comparative example are as follows:
By weight percent PET resin 83.2%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.4%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.4%；The nucleating agent analyzes purified petroleum benzin sodium formate 1%: the polymer sodium salt of the nucleating agent 2- acrylic acid, ethylene
1%；The nucleating agent nanoscale talcum powder 1%；The lubricant pentaerythritol stearate 5%, in middling speed batch mixer
Mixing 5 minutes is added 12.5% E glass fibre, is granulated by double screw extruder in extrusion process.
Comparative example 8:
The component and its weight percent content of the REINFORCED PET engineering plastics of the rapid crystallization of this comparative example are as follows:
By weight percent PET resin 88.4%；The Hinered phenols antioxidant is four (β-(3,5- di-t-butyl -4-
Hydroxy phenyl) propionic acid) pentaerythritol ester 0.5%；The phosphite antioxidant is three (2,4- di-tert-butyl-phenyl) phosphorous
Acid esters 0.5%；The nucleating agent analyzes purified petroleum benzin sodium formate 0.1%: the polymer sodium of the nucleating agent 2- acrylic acid, ethylene
Salt 0.4%；The nucleating agent nanoscale talcum powder 0.5%；The lubricant pentaerythritol stearate 0.5%, in
Fast batch mixer mixes 5 minutes, by double screw extruder, 9% E glass fibre is added in extrusion process, is granulated.
The REINFORCED PET engineering plastics of rapid crystallization will be prepared by embodiment 1-15 and comparative example 1-8 in 120-140 DEG C of condition
Lower dry 3-5 hours, then dried particulate material is injection moulded sample preparation on injection molding machine, be tested for the property.
It is measured using differential scanning calorimeter DSC, tests under the high pure nitrogen atmosphere of 50ml/min and carry out.
The sample for accurately weighing 5mg or so is sealed in aluminium crucible, is raised to 300 DEG C with the heating rate of 20 DEG C/min and is protected
Then warm 5min cools to 25 DEG C to eliminate thermal history with 10 DEG C of rate of temperature fall, record the crystallization curve of sample, record crystallization
Temperature.
Table 1:
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Crystallization temperature DEG C | 215 | 222 | 225 | 228 | 230 |
Table 2:
| Test item | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Embodiment 10 |
| Crystallization temperature DEG C | 238 | 239 | 240 | 242 | 247 |
Table 3:
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 11 |
| Crystallization temperature DEG C | 215 | 222 | 210 |
Table 4:
| Test item | Embodiment 3 | Embodiment 4 | Embodiment 12 |
| Crystallization temperature DEG C | 225 | 228 | 216 |
Table 5:
Table 6:
| Test item | Embodiment 7 | Embodiment 8 | Embodiment 14 |
| Crystallization temperature DEG C | 239 | 240 | 222 |
Table 7:
| Test item | Embodiment 9 | Embodiment 10 | Embodiment 15 |
| Crystallization temperature DEG C | 242 | 247 | 226 |
Table 8:
Table 9:
| Test item | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| Crystallization temperature DEG C | 190 | 193 | 198 | 200 |
Table 10:
| Test item | Comparative example 5 | Comparative example 6 | Comparative example 7 | Comparative example 8 |
| Crystallization temperature DEG C | 211 | 197 | 213 | 203 |
Compare the data of above-mentioned table 1- table 10 it can be concluded that, the present invention is made by adding the reasonable compoundings of different nucleating agents
The rapid crystallization ability of PET is increased significantly.
Although the illustrative specific embodiment of the present invention is described above, in order to the technology of the art
Personnel are it will be appreciated that the present invention, but the present invention is not limited only to the range of specific embodiment, to the common skill of the art
For art personnel, as long as long as various change the attached claims limit and determine spirit and scope of the invention in, one
The innovation and creation using present inventive concept are cut in the column of protection.
Claims (8)
1. a kind of REINFORCED PET engineering plastics of rapid crystallization, which is characterized in that including the following component according to weight percent:
2. a kind of REINFORCED PET engineering plastics of rapid crystallization according to claim 1, which is characterized in that the PET tree
The relative density of rouge is 1.34-1.38, and fusing point is 254-258 DEG C, viscosity 0.75-1.0dl/g.
3. a kind of REINFORCED PET engineering plastics of rapid crystallization according to claim 1, which is characterized in that the glass
Fiber is E glass fibre.
4. a kind of REINFORCED PET engineering plastics of rapid crystallization according to claim 1, which is characterized in that the lubrication
Agent is pentaerythritol stearate.
5. a kind of REINFORCED PET engineering plastics of rapid crystallization according to claim 1, which is characterized in that the nucleation
Agent is to analyze one or more compoundings of purified petroleum benzin sodium formate, 2- acrylic acid, the polymer sodium salt of ethylene and nanoscale talcum powder.
6. a kind of REINFORCED PET engineering plastics of rapid crystallization according to claim 1, which is characterized in that the antioxygen
Agent is four (β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol esters, three (2,4- di-tert-butyl-phenyl) phosphorous acid
Ester.
7. a kind of preparation method of the REINFORCED PET engineering plastics of rapid crystallization comprising following steps:
Raw material is chosen according to weight percent, the raw material includes PET resin 38-96%, glass fibre 3-60%, antioxygen
Agent 0.2-0.8%, nucleating agent 0.1-2%, lubricant 0.3-2%；
The main feeder of twin-screw is added in PET resin, antioxidant, nucleating agent, lubricant etc. after mixing according to formula rate
In, glass fibre is added in twin-screw side feed material；
Start twin-screw, is squeezed out, drawn, water cooling, pelletizing operation is to get to product.
8. a kind of preparation method of the REINFORCED PET engineering plastics of rapid crystallization according to claim 7, which is characterized in that
The revolving speed of the twin-screw extrusion machine host is 250-350rpm, and extrusion temperature is 240-280 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113831700A (en) * | 2021-11-04 | 2021-12-24 | 深圳市金志成塑胶科技有限公司 | PET polyester composite material and preparation method thereof |
| CN116462944A (en) * | 2023-05-04 | 2023-07-21 | 江苏伊尔曼新材料有限公司 | PET (polyethylene terephthalate) polyester for photovoltaic backboard film and preparation method thereof |
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| CN103044869A (en) * | 2013-01-25 | 2013-04-17 | 本松工程塑料（杭州）有限公司 | High-crystallization-rate flame-retardant enhanced polyethylene glycol terephthalate material and preparation method thereof |
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| CN101070421A (en) * | 2006-12-22 | 2007-11-14 | 深圳市科聚新材料有限公司 | High-heat-resisting glass-fiber reinforced polyester composite material and preparing method |
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