CN109867941A - A kind of preparation of high reflective PC material - Google Patents
A kind of preparation of high reflective PC material Download PDFInfo
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- CN109867941A CN109867941A CN201910102008.1A CN201910102008A CN109867941A CN 109867941 A CN109867941 A CN 109867941A CN 201910102008 A CN201910102008 A CN 201910102008A CN 109867941 A CN109867941 A CN 109867941A
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Abstract
The invention discloses a kind of preparation of high reflective PC material, the raw material including following parts by weight: 55-65 parts of polycarbonate (PC), 2-7 parts of titanium dioxide, 5-10 parts of organic silicone oil, 2-6 parts of toughener, 1-5 parts of lubricant, 3-8 parts of antioxidant, 5-11 parts of MBS resin, 10-17 parts of epoxy resin, 5-12 parts of polytetrafluoroethylene (PTFE), 7-14 parts of polyurethane, 6-11 parts of acrylic resin, 3-9 parts of mica powder, 4-8 parts of alkyd resin, 5-12 parts of organosilicon propionic ester, 4-9 parts of amino resins.PC material produced by the present invention has high light-reflecting property, the impact strength and toughness of material are improved simultaneously, it is dried by putting polycarbonate (PC) in drying box into, and water content detection is carried out to the polycarbonate (PC) after drying, simultaneously convenient for detecting to the stress of product after molding, it can guarantee the quality of product.
Description
Technical field
The present invention relates to technical field of polymer materials more particularly to a kind of preparations of high reflective PC material.
Background technique
Polycarbonate (abbreviation PC) is the high molecular polymer in strand containing carbonate group, can according to the structure of ester group
Be divided into the multiple types such as aliphatic, aromatic series, aliphatic-aromatic, the advantages of polycarbonate has: 1, tool is high-intensitive and elasticity system
Number, high impact, use temperature range are wide；2, heigh clarity and free dyeability；3, shaping shrinkage rate is low, size is stable
Property is good；4, fatigue durability is good；5, weatherability is good；6, electrical characteristic is excellent；7, it is tasteless it is odorless it is harmless meet it is safe and healthy,
But PC material cannot effectively be measured the moisture content of polycarbonate during preparation, easily product be made to have material
It spends phenomenon and influences appearance and easy brittle break and influence impact strength, therefore we have proposed a kind of high reflective PC materials
Preparation, for solving the above problems.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of preparations of high reflective PC material.
A kind of preparation of high reflective PC material proposed by the present invention, the raw material including following parts by weight: polycarbonate (PC)
55-65 parts, 2-7 parts of titanium dioxide, 5-10 parts of organic silicone oil, 2-6 parts of toughener, 1-5 parts of lubricant, 3-8 parts of antioxidant, MBS tree
5-11 parts of rouge, 10-17 parts of epoxy resin, 5-12 parts of polytetrafluoroethylene (PTFE), 7-14 parts of polyurethane, 6-11 parts of acrylic resin, mica
3-9 parts of powder, 4-8 parts of alkyd resin, 5-12 parts of organosilicon propionic ester, 4-9 parts of amino resins；
Preparation method includes the following steps:
S1: according to the proportion successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS tree
Rouge, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino tree
Rouge is weighed；
S2: polycarbonate (PC) being put into drying box and is dried, drying time 2-4h, and drying temperature is 105-125 DEG C；
S3: water content detection is carried out to the polycarbonate (PC) after drying, the moisture content of polycarbonate (PC) is lower than 0.02%
It uses；
S4: by after drying polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin,
Epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins according to
Secondary put into stirring mixer is mixed, and the revolving speed of stirring mixer is 700-900r/min, mixing temperature 45-90
DEG C, mixture is made in incorporation time 30-45min；
S5: mixture described in S4 is put into and carries out injection molding in injection molding machine；
S6: moulding material is first toasted into 5-15min in 100-105 DEG C of baking oven, then toasts 25- again at 120-125 DEG C
35min minutes, room temperature is naturally cooled to, it is qualified to examine, pelletizing, can be prepared by high reflective PC material.
Preferably, in the S1, using electronic balance successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughening
Agent, lubricant, antioxidant, MBS resin, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd tree
Rouge, organosilicon propionic ester, amino resins are weighed, and the material after weighing are put into respectively in different storage containers, are waited
It uses.
Preferably, in the S2, polycarbonate (PC) is put into drying box and is dried, drying time 2.1-
3.9h, drying temperature are 110-120 DEG C, after drying, open drying box, take out polycarbonate (PC).
Preferably, it in the S3, is carried out using moisture content of the CSY-L5A halogen fast tester for water content to polycarbonate
Detection, detection process are as follows: use electromagnetic force balance sensor weighing system, guarantee that weighing is accurate, annular quartz tungsten halogen is infrared
Line heating source, rapid draing sample, in the drying process, CSY-L5A halogen fast tester for water content test constantly are simultaneously shown immediately
The moisture content % that sample product are lost, after the completion of drying program, the locked display of the moisture content value finally measured.
Preferably, in the S4, by the polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubrication after drying
It is agent, antioxidant, MBS resin, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organic
Silicon propionic ester, amino resins are successively put into stirring mixer and are mixed, and the revolving speed of stirring mixer is 750-850r/
Min, mixing temperature are 50-85 DEG C, incorporation time 32-43min, and mixture is made.
Preferably, in the S6, moulding material is first toasted into 8-12min in 101-104 DEG C of baking oven, then in 121-
124 DEG C are toasted 27-32min minutes again, naturally cool to room temperature.
Preferably, in the S5, mixture is heated, mixture is then injected into die cavity with high pressure, through cooling solid
After change, demoulding, 240-325 DEG C of heating temperature, injection pressure 45-90MPa.
Preferably, in the S6, when testing, prepare toluene and the mixing of normal propyl alcohol solvent, put sample into solvent
Interior immersion 2-4min, taking-up are cleaned with clear water, and whether there are cracks for observation sample surfaces, fracture, if flawless, fracture are qualification.
Beneficial effects of the present invention:
The material as made from polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant has good
Mechanical property, impact strength, good light reflection and shield effectiveness, light transmittance < 15%, light transmittance is according to GB/T 2410-2008
Measurement, 120 DEG C of heat distortion temperature >, heat distortion temperature is measured according to GB/T 1634.2-2004；
By the use of MBS resin, MBS resin is methyl methacrylate (M), and the ternary of butadiene (B) and styrene (S) is total
Polymers, it has typical nucleocapsid structure；
PC material produced by the present invention has high light-reflecting property, and light transmittance is low, can greatly improve reflective function, improve simultaneously
The impact strength and toughness of material are dried by putting polycarbonate (PC) in drying box into, and to poly- after drying
Carbonic ester (PC) carries out water content detection, can guarantee the moisture content of the polycarbonate used lower than 0.02%, while convenient for at
The stress of product after type is detected, and can guarantee the quality of product.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
A kind of preparation of high reflective PC material, the raw material including following parts by weight: polycarbonate (PC) are proposed in the present embodiment
55 parts, 2 parts of titanium dioxide, 5 parts of organic silicone oil, 2 parts of toughener, 1 part of lubricant, 3 parts of antioxidant, 5 parts of MBS resin, epoxy resin
10 parts, 5 parts of polytetrafluoroethylene (PTFE), 7 parts of polyurethane, 6 parts of acrylic resin, 3 parts of mica powder, 4 parts of alkyd resin, organosilicon propionic ester
5 parts, 4 parts of amino resins；
Preparation method includes the following steps:
S1: according to the proportion successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS tree
Rouge, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino tree
Rouge is weighed；
S2: polycarbonate (PC) being put into drying box and is dried, drying time 2h, and drying temperature is 105 DEG C；
S3: water content detection is carried out to the polycarbonate (PC) after drying, the moisture content of polycarbonate (PC) is lower than 0.02%
It uses, is detected using moisture content of the CSY-L5A halogen fast tester for water content to polycarbonate, detection process are as follows:
Using electromagnetic force balance sensor weighing system, guarantee that weighing is accurate, annular quartz tungsten halogen infrared heating source, rapid draing sample
Product, in the drying process, the moisture that CSY-L5A halogen fast tester for water content test constantly and instant playback sample are lost contain
% is measured, after the completion of drying program, the locked display of the moisture content value finally measured；
S4: by after drying polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin,
Epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins according to
Secondary put into stirring mixer is mixed, and the revolving speed of stirring mixer is 700r/min, and mixing temperature is 45 DEG C, mixing
Time is 30min, and mixture is made；
S5: mixture described in S4 is put into and carries out injection molding in injection molding machine；
S6: first toasting 5min for moulding material in 100 DEG C of baking oven, then toast again at 120 DEG C 25min minutes, naturally cold
But room temperature is arrived, it is qualified to examine, pelletizing, can be prepared by high reflective PC material.
In the present embodiment, it is made by polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant
Material there is good mechanical property, impact strength, the reflection of good light and shield effectiveness, the light transmittance < 16.3 of 1.0mm,
114 DEG C of heat distortion temperature >, light transmittance is measured according to GB/T 2410-2008, and heat distortion temperature is according to GB/T 1634.2-2004
Measurement；
By the use of MBS resin, MBS resin is methyl methacrylate (M), and the ternary of butadiene (B) and styrene (S) is total
Polymers, it has typical nucleocapsid structure；
PC material produced by the present invention has high light-reflecting property, while improving the impact strength and toughness of material, pass through by
Polycarbonate (PC), which is put into drying box, is dried, and carries out water content detection, Neng Goubao to the polycarbonate (PC) after drying
The moisture content of the polycarbonate used is demonstrate,proved lower than 0.05%, while convenient for detecting to the stress of product after molding, it can
Guarantee the quality of product.
Embodiment two
A kind of preparation of high reflective PC material, the raw material including following parts by weight: polycarbonate (PC) are proposed in the present embodiment
57 parts, 3 parts of titanium dioxide, 6 parts of organic silicone oil, 3 parts of toughener, 2 parts of lubricant, 4 parts of antioxidant, 6 parts of MBS resin, epoxy resin
11 parts, 6 parts of polytetrafluoroethylene (PTFE), 8 parts of polyurethane, 7 parts of acrylic resin, 4 parts of mica powder, 5 parts of alkyd resin, organosilicon propionic ester
6 parts, 5 parts of amino resins；
Preparation method includes the following steps:
S1: according to the proportion successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS tree
Rouge, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino tree
Rouge is weighed；
S2: polycarbonate (PC) being put into drying box and is dried, drying time 2.2h, and drying temperature is 107 DEG C；
S3: water content detection is carried out to the polycarbonate (PC) after drying, the moisture content of polycarbonate (PC) is lower than 0.02%
It uses, is detected using moisture content of the CSY-L5A halogen fast tester for water content to polycarbonate, detection process are as follows:
Using electromagnetic force balance sensor weighing system, guarantee that weighing is accurate, annular quartz tungsten halogen infrared heating source, rapid draing sample
Product, in the drying process, the moisture that CSY-L5A halogen fast tester for water content test constantly and instant playback sample are lost contain
% is measured, after the completion of drying program, the locked display of the moisture content value finally measured；
S4: by after drying polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin,
Epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins according to
Secondary put into stirring mixer is mixed, and the revolving speed of stirring mixer is 720r/min, and mixing temperature is 50 DEG C, mixing
Time is 32min, and mixture is made；
S5: mixture described in S4 is put into and carries out injection molding in injection molding machine；
S6: first toasting 7min for moulding material in 101 DEG C of baking oven, then toast again at 121 DEG C 27min minutes, naturally cold
But room temperature is arrived, it is qualified to examine, pelletizing, can be prepared by high reflective PC material.
In the present embodiment, it is made by polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant
Material there is good mechanical property, impact strength, the reflection of good light and shield effectiveness, the light transmittance < 16.1 of 1.0mm,
115 DEG C of heat distortion temperature >, light transmittance is measured according to GB/T 2410-2008, and heat distortion temperature is according to GB/T 1634.2-2004
Measurement；
By the use of MBS resin, MBS resin is methyl methacrylate (M), and the ternary of butadiene (B) and styrene (S) is total
Polymers, it has typical nucleocapsid structure；
PC material produced by the present invention has high light-reflecting property, while improving the impact strength and toughness of material, pass through by
Polycarbonate (PC), which is put into drying box, is dried, and carries out water content detection, Neng Goubao to the polycarbonate (PC) after drying
The moisture content of the polycarbonate used is demonstrate,proved lower than 0.04%, while convenient for detecting to the stress of product after molding, it can
Guarantee the quality of product.
Embodiment three
A kind of preparation of high reflective PC material, the raw material including following parts by weight: polycarbonate (PC) are proposed in the present embodiment
59 parts, 4 parts of titanium dioxide, 7 parts of organic silicone oil, 4 parts of toughener, lubrication 3 parts, 5 parts of antioxidant, 7 parts of MBS resin, epoxy resin 12
Part, 7 parts of polytetrafluoroethylene (PTFE), 9 parts of polyurethane, 8 parts of acrylic resin, 5 parts of mica powder, 6 parts of alkyd resin, organosilicon propionic ester 7
Part, 6 parts of amino resins；
Preparation method includes the following steps:
S1: according to the proportion successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS tree
Rouge, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino tree
Rouge is weighed；
S2: polycarbonate (PC) being put into drying box and is dried, drying time 2.3h, and drying temperature is 109 DEG C；
S3: water content detection is carried out to the polycarbonate (PC) after drying, the moisture content of polycarbonate (PC) is lower than 0.02%
It uses, is detected using moisture content of the CSY-L5A halogen fast tester for water content to polycarbonate, detection process are as follows:
Using electromagnetic force balance sensor weighing system, guarantee that weighing is accurate, annular quartz tungsten halogen infrared heating source, rapid draing sample
Product, in the drying process, the moisture that CSY-L5A halogen fast tester for water content test constantly and instant playback sample are lost contain
% is measured, after the completion of drying program, the locked display of the moisture content value finally measured；
S4: by after drying polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin,
Epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins according to
Secondary put into stirring mixer is mixed, and the revolving speed of stirring mixer is 740r/min, and mixing temperature is 55 DEG C, mixing
Time is 34min, and mixture is made；
S5: mixture described in S4 is put into and carries out injection molding in injection molding machine；
S6: first toasting 9min for moulding material in 102 DEG C of baking oven, then toast again at 122 DEG C 29min minutes, naturally cold
But room temperature is arrived, it is qualified to examine, pelletizing, can be prepared by high reflective PC material.
In the present embodiment, it is made by polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant
Material there is good mechanical property, impact strength, the reflection of good light and shield effectiveness, the light transmittance < 16 of 1.0mm, heat
116 DEG C of deformation temperature >, light transmittance is measured according to GB/T 2410-2008, and heat distortion temperature is surveyed according to GB/T 1634.2-2004
It is fixed；
By the use of MBS resin, MBS resin is methyl methacrylate (M), and the ternary of butadiene (B) and styrene (S) is total
Polymers, it has typical nucleocapsid structure；
PC material produced by the present invention has high light-reflecting property, while improving the impact strength and toughness of material, pass through by
Polycarbonate (PC), which is put into drying box, is dried, and carries out water content detection, Neng Goubao to the polycarbonate (PC) after drying
The moisture content of the polycarbonate used is demonstrate,proved lower than 0.03%, while convenient for detecting to the stress of product after molding, it can
Guarantee the quality of product.
Example IV
A kind of preparation of high reflective PC material, the raw material including following parts by weight: polycarbonate (PC) are proposed in the present embodiment
61 parts, 5 parts of titanium dioxide, 8 parts of organic silicone oil, 5 parts of toughener, 4 parts of lubricant, 6 parts of antioxidant, 8 parts of MBS resin, epoxy resin
15 parts, 10 parts of polytetrafluoroethylene (PTFE), 12 parts of polyurethane, 10 parts of acrylic resin, 7 parts of mica powder, 7 parts of alkyd resin, organosilicon third
9 parts of acid esters, 7 parts of amino resins；
Preparation method includes the following steps:
S1: according to the proportion successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS tree
Rouge, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino tree
Rouge is weighed；
S2: polycarbonate (PC) being put into drying box and is dried, drying time 2-4h, and drying temperature is 112 DEG C；
S3: water content detection is carried out to the polycarbonate (PC) after drying, the moisture content of polycarbonate (PC) is lower than 0.02%
It uses, is detected using moisture content of the CSY-L5A halogen fast tester for water content to polycarbonate, detection process are as follows:
Using electromagnetic force balance sensor weighing system, guarantee that weighing is accurate, annular quartz tungsten halogen infrared heating source, rapid draing sample
Product, in the drying process, the moisture that CSY-L5A halogen fast tester for water content test constantly and instant playback sample are lost contain
% is measured, after the completion of drying program, the locked display of the moisture content value finally measured；
S4: by after drying polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin,
Epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins according to
Secondary put into stirring mixer is mixed, and the revolving speed of stirring mixer is 760r/min, and mixing temperature is 60 DEG C, mixing
Time is 40min, and mixture is made；
S5: mixture described in S4 is put into and carries out injection molding in injection molding machine；
S6: first toasting 12min for moulding material in 103 DEG C of baking oven, then toast again at 123 DEG C 32min minutes, naturally cold
But room temperature is arrived, it is qualified to examine, pelletizing, can be prepared by high reflective PC material.
In the present embodiment, it is made by polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant
Material there is good mechanical property, impact strength, the reflection of good light and shield effectiveness, the light transmittance < 15.5 of 1.0mm,
118 DEG C of heat distortion temperature >, light transmittance is measured according to GB/T 2410-2008, and heat distortion temperature is according to GB/T 1634.2-2004
Measurement；
By the use of MBS resin, MBS resin is methyl methacrylate (M), and the ternary of butadiene (B) and styrene (S) is total
Polymers, it has typical nucleocapsid structure；
PC material produced by the present invention has high light-reflecting property, while improving the impact strength and toughness of material, pass through by
Polycarbonate (PC), which is put into drying box, is dried, and carries out water content detection, Neng Goubao to the polycarbonate (PC) after drying
The moisture content of the polycarbonate used is demonstrate,proved lower than 0.025%, while convenient for detecting to the stress of product after molding, energy
Enough guarantee the quality of product.
Embodiment five
A kind of preparation of high reflective PC material, the raw material including following parts by weight: polycarbonate (PC) are proposed in the present embodiment
65 parts, 7 parts of titanium dioxide, 10 parts of organic silicone oil, 6 parts of toughener, 5 parts of lubricant, 8 parts of antioxidant, 11 parts of MBS resin, asphalt mixtures modified by epoxy resin
17 parts of rouge, 12 parts of polytetrafluoroethylene (PTFE), 14 parts of polyurethane, 11 parts of acrylic resin, 9 parts of mica powder, 8 parts of alkyd resin, organosilicon
12 parts of propionic ester, 9 parts of amino resins；
Preparation method includes the following steps:
S1: according to the proportion successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS tree
Rouge, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino tree
Rouge is weighed；
S2: polycarbonate (PC) being put into drying box and is dried, drying time 4h, and drying temperature is 125 DEG C；
S3: water content detection is carried out to the polycarbonate (PC) after drying, the moisture content of polycarbonate (PC) is lower than 0.02%
It uses, is detected using moisture content of the CSY-L5A halogen fast tester for water content to polycarbonate, detection process are as follows:
Using electromagnetic force balance sensor weighing system, guarantee that weighing is accurate, annular quartz tungsten halogen infrared heating source, rapid draing sample
Product, in the drying process, the moisture that CSY-L5A halogen fast tester for water content test constantly and instant playback sample are lost contain
% is measured, after the completion of drying program, the locked display of the moisture content value finally measured；
S4: by after drying polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin,
Epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins according to
Secondary put into stirring mixer is mixed, and the revolving speed of stirring mixer is 900r/min, and mixing temperature is 90 DEG C, mixing
Time is 45min, and mixture is made；
S5: mixture described in S4 is put into and carries out injection molding in injection molding machine；
S6: first toasting 15min for moulding material in 105 DEG C of baking oven, then toast again at 125 DEG C 35min minutes, naturally cold
But room temperature is arrived, it is qualified to examine, pelletizing, can be prepared by high reflective PC material.
In the present embodiment, it is made by polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant
Material there is good mechanical property, impact strength, the reflection of good light and shield effectiveness, the light transmittance < 15 of 1.0mm, heat
120 DEG C of deformation temperature >, light transmittance is measured according to GB/T 2410-2008, and heat distortion temperature is surveyed according to GB/T 1634.2-2004
It is fixed；
By the use of MBS resin, MBS resin is methyl methacrylate (M), and the ternary of butadiene (B) and styrene (S) is total
Polymers, it has typical nucleocapsid structure；
PC material produced by the present invention has high light-reflecting property, while improving the impact strength and toughness of material, pass through by
Polycarbonate (PC), which is put into drying box, is dried, and carries out water content detection, Neng Goubao to the polycarbonate (PC) after drying
The moisture content of the polycarbonate used is demonstrate,proved lower than 0.02%, while convenient for detecting to the stress of product after molding, it can
Guarantee the quality of product.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of preparation of high reflective PC material, which is characterized in that the raw material including following parts by weight: polycarbonate (PC) 55-
65 parts, 2-7 parts of titanium dioxide, 5-10 parts of organic silicone oil, 2-6 parts of toughener, 1-5 parts of lubricant, 3-8 parts of antioxidant, MBS resin 5-
11 parts, 10-17 parts of epoxy resin, 5-12 parts of polytetrafluoroethylene (PTFE), 7-14 parts of polyurethane, 6-11 parts of acrylic resin, mica powder 3-9
Part, 4-8 parts of alkyd resin, 5-12 parts of organosilicon propionic ester, 4-9 parts of amino resins；
Preparation method includes the following steps:
S1: according to the proportion successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS tree
Rouge, epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino tree
Rouge is weighed；
S2: polycarbonate (PC) being put into drying box and is dried, drying time 2-4h, and drying temperature is 105-125 DEG C；
S3: water content detection is carried out to the polycarbonate (PC) after drying, the moisture content of polycarbonate (PC) is lower than 0.02%
It uses；
S4: by after drying polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin,
Epoxy resin, polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins according to
Secondary put into stirring mixer is mixed, and the revolving speed of stirring mixer is 700-900r/min, mixing temperature 45-90
DEG C, mixture is made in incorporation time 30-45min；
S5: mixture described in S4 is put into and carries out injection molding in injection molding machine；
S6: moulding material is first toasted into 5-15min in 100-105 DEG C of baking oven, then toasts 25- again at 120-125 DEG C
35min minutes, room temperature is naturally cooled to, it is qualified to examine, pelletizing, can be prepared by high reflective PC material.
2. a kind of preparation of high reflective PC material according to claim 1, which is characterized in that in the S1, use electronics
Balance successively to polycarbonate (PC), titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin, epoxy resin,
Polytetrafluoroethylene (PTFE), polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins are weighed, will
Material after weighing is put into respectively in different storage containers, is waited to be used.
3. a kind of preparation of high reflective PC material according to claim 1, which is characterized in that in the S2, by poly- carbonic acid
Ester (PC), which is put into drying box, is dried, drying time 2.1-3.9h, and drying temperature is 110-120 DEG C, after drying,
Drying box is opened, is taken out polycarbonate (PC).
4. a kind of preparation of high reflective PC material according to claim 1, which is characterized in that in the S3, using CSY-
L5A halogen fast tester for water content detects the moisture content of polycarbonate, detection process are as follows: uses electromagnetic force equilibrium
Sensor weighing system guarantees that weighing is accurate, annular quartz tungsten halogen infrared heating source, rapid draing sample, in drying process
In, the moisture content % that CSY-L5A halogen fast tester for water content test constantly and instant playback sample are lost, drying program is complete
Cheng Hou, the locked display of the moisture content value finally measured.
5. a kind of preparation of high reflective PC material according to claim 1, which is characterized in that in the S4, after drying
Polycarbonate (PC) and titanium dioxide, organic silicone oil, toughener, lubricant, antioxidant, MBS resin, epoxy resin, polytetrafluoro
Ethylene, polyurethane, acrylic resin, mica powder, alkyd resin, organosilicon propionic ester, amino resins are successively put into and are stirred
It is mixed in machine, the revolving speed of stirring mixer is 750-850r/min, and mixing temperature is 50-85 DEG C, and incorporation time is
Mixture is made in 32-43min.
6. a kind of preparation of high reflective PC material according to claim 1, which is characterized in that in the S6, by forming material
Material first toasts 8-12min in 101-104 DEG C of baking oven, then toasts 27-32min minutes again at 121-124 DEG C, natural cooling
To room temperature.
7. a kind of preparation of high reflective PC material according to claim 1, which is characterized in that in the S5, to mixture
It is heated, mixture is then injected into die cavity with high pressure, after cooling and solidifying, demoulding, 240-325 DEG C of heating temperature, injection
Pressure is 45-90MPa.
8. a kind of preparation of high reflective PC material according to claim 1, which is characterized in that in the S6, examined
When testing, prepare toluene and the mixing of normal propyl alcohol solvent, sample is put into and impregnates 2-4min in solvent, taking-up is cleaned with clear water, observation
Whether there are cracks for sample surfaces, fracture, if flawless, fracture are qualification.
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| CN111057453A (en) * | 2019-12-20 | 2020-04-24 | 佛山科学技术学院 | Reflecting material and preparation method and application thereof |
| WO2022106533A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Flame-retardant, titanium dioxide-containing polycarbonate compositions |
| WO2022106534A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Improving reflectance and yellowness index of thermoplastic reflective white compositions |
| WO2022106530A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Polycarbonate compositions containing titianium dioxide and epoxy group-containing triacylglycerol |
| WO2022106524A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Polycarbonate compositions containing titianium dioxide and metal oxide-coated mica particles |
| WO2022112406A1 (en) | 2020-11-30 | 2022-06-02 | Covestro Deutschland Ag | Polycarbonate compositions containing titanium dioxide and glass flakes comprising a titanium dioxide coating |
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| WO2022106533A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Flame-retardant, titanium dioxide-containing polycarbonate compositions |
| WO2022106534A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Improving reflectance and yellowness index of thermoplastic reflective white compositions |
| WO2022106530A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Polycarbonate compositions containing titianium dioxide and epoxy group-containing triacylglycerol |
| WO2022106524A1 (en) | 2020-11-23 | 2022-05-27 | Covestro Deutschland Ag | Polycarbonate compositions containing titianium dioxide and metal oxide-coated mica particles |
| WO2022112406A1 (en) | 2020-11-30 | 2022-06-02 | Covestro Deutschland Ag | Polycarbonate compositions containing titanium dioxide and glass flakes comprising a titanium dioxide coating |
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Effective date of registration: 20190708 Address after: 363900 Yanxi Town Industrial Concentration Zone, Changtai County, Zhangzhou City, Fujian Province Applicant after: Fujian HuaSu new materials Co. Ltd. Address before: 363900 Yanxi Town Industrial Concentration Zone, Changtai County, Zhangzhou City, Fujian Province Applicant before: Lin Jianmin |
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Application publication date: 20190611 |