CN103044890A - Lusterless polycarbonate material and preparation method thereof - Google Patents
Lusterless polycarbonate material and preparation method thereof Download PDFInfo
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- CN103044890A CN103044890A CN2012105877754A CN201210587775A CN103044890A CN 103044890 A CN103044890 A CN 103044890A CN 2012105877754 A CN2012105877754 A CN 2012105877754A CN 201210587775 A CN201210587775 A CN 201210587775A CN 103044890 A CN103044890 A CN 103044890A
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Abstract
The invention relates to a lusterless polycarbonate material and a preparation method thereof. The lusterless polycarbonate material comprises the following raw materials in part by weight: 95 to 99 parts of polycarbonate, 0.1 to 0.5 part of primary antioxidant, 0.1 to 0.5 part of secondary antioxidant, 0.1 to 0.5 part of lubricant, 0.1 to 5 part of colorant, and 0.5 to 5 parts of special lusterless agent. The lusterless polycarbonate material has excellent gloss reducing and matting effects, is suitable for the fields requiring low-luster materials, has excellent shock resistance performance and toughness, not only is simple to shape by machining, but also is good for prolonging the service life of the polycarbonate material; and moreover, the preparation method is simple to operate and low in production cost, and facilitates general popularization and application.
Description
Technical field
The present invention relates to the polycarbonate material technical field, relate in particular to a kind of dumb light polycarbonate material and preparation method thereof.
Background technology
Polycarbonate is called for short PC, because it has heat-resisting, fire-retardant, good, the easy machine-shaping of shock resistance, lightweight, the characteristics such as cost is low, has obtained fast development in fields such as automobile, household electrical appliances, packings.Polycarbonate material itself has higher brightness, need dumb light, reduce in the reflective application as far as possible at automotive trim, electronic product casing etc., need to carry out delustring to polycarbonate processes, existing method is to add the fillers such as silicon-dioxide, silicate or aluminate in the process of producing in polycarbonate, perhaps add the ultra-high molecular weight acrylic copolymer so that polycarbonate modified, and then reach the purpose of delustring.But the intermiscibility of these fillers or multipolymer and polycarbonate is bad, can cause the physicals of polycarbonate to descend, and also can cause the degraded of polycarbonate, has a strong impact on the shock resistance of polycarbonate, reduces the work-ing life of polycarbonate material.
Summary of the invention
The objective of the invention is provides a kind of dumb light polycarbonate material with good shock resistance and dumb light effect for the deficiencies in the prior art.
Another object of the present invention provides a kind of preparation method with dumb light polycarbonate material of good shock resistance and dumb light effect.
To achieve these goals, the present invention by the following technical solutions.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part:
95～99 parts of polycarbonate
0.1～0.5 part of main anti-oxidant
0.1～0.5 part of auxiliary antioxidant
0.1～0.5 part of lubricant
0.1～5.0 part of tinting material
0.5～5.0 part of special dumb light agent,
Wherein, described lubricant is octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester,
Described main anti-oxidant is octadecyl-3, two (1,1-the dimethyl ethyl)-4-hydroxy benzoic propionates of 5-,
Described auxiliary antioxidant is tricresyl phosphite (2,4-di-tert-butyl) ester,
Described special dumb light agent is methyl methacrylate and acrylate copolymer.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part:
95～97 parts of polycarbonate
0.1～0.3 part of main anti-oxidant
0.1～0.3 part of auxiliary antioxidant
0.1～0.3 part of lubricant
0.1～3 part of tinting material
0.5～3 part of special dumb light agent.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part:
97～99 parts of polycarbonate
0.3～0.5 part of main anti-oxidant
0.3～0.5 part of auxiliary antioxidant
0.3～0.5 part of lubricant
3～5.0 parts of tinting materials
3～5.0 parts of special dumb light agent.
Wherein, described polycarbonate is bisphenol A polycarbonate.
Wherein, described tinting material is any one or the two or more mixture in carbon black, ferric oxide or the titanium dioxide.
A kind of preparation method of dumb light polycarbonate material, it is comprised of following processing step:
(1) by weight main anti-oxidant, auxiliary antioxidant, lubricant, tinting material, special dumb light agent are dropped into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, makes flame retardant grade dumb light polycarbonate material.
Wherein, the condition of extruding pelletization was during described processing step (3) went on foot: the extrusion temperature of feeding section is 230～250 ℃, and the extrusion temperature of fluxing zone is 250～270 ℃, and the extrusion temperature of melt conveying zone is 250～270 ℃, head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
Compared with prior art, the present invention has the following advantages:
The present invention is owing to used special dulling material, the dumb light polycarbonate material of preparation, not only have good dumb light, the effect of delustring, be applicable to the field of required low gloss material, and possesses good shock resistance and toughness, both easily machine-shaping also is conducive to prolong work-ing life of polycarbonate material.
Preparation method of the present invention is simple to operate, and production cost is low, is conducive to generally apply.
Embodiment
Below in conjunction with embodiment the present invention is described in detail.
Embodiment 1.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part: 95 parts of polycarbonate, tricresyl phosphite (2, the 4-di-tert-butyl) 0.1 part of ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-0.1 part of 4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,0.5 part of 0.1 part of 3-glyceryl ester, 0.1 part of carbon black, methyl methacrylate and acrylate copolymer.
Present embodiment the preparation method, comprise following processing step:
(1) by weight with tricresyl phosphite (2, the 4-di-tert-butyl) ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester, carbon black, methyl methacrylate and acrylate copolymer drop into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, make the dumb light polycarbonate material, wherein, the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, and head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
Embodiment 2.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part: 97 parts of polycarbonate, tricresyl phosphite (2, the 4-di-tert-butyl) 0.15 part of ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-0.15 part of 4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,2 parts of 0.3 part of 3-glyceryl ester, 3 parts of ferric oxide, methyl methacrylate and acrylate copolymers.
Present embodiment the preparation method, comprise following processing step:
(1) by weight with tricresyl phosphite (2, the 4-di-tert-butyl) ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester, ferric oxide, methyl methacrylate and acrylate copolymer drop into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, make the dumb light polycarbonate material, wherein, the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, and head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
Embodiment 3.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part: 99 parts of polycarbonate, tricresyl phosphite (2, the 4-di-tert-butyl) 0.2 part of ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-0.2 part of 4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,5 parts of 0.5 part of 3-glyceryl ester, 5 parts of titanium dioxide, methyl methacrylate and acrylate copolymers.
Present embodiment the preparation method, comprise following processing step:
(1) by weight with tricresyl phosphite (2, the 4-di-tert-butyl) ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester, titanium dioxide, methyl methacrylate and acrylate copolymer drop into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, make the dumb light polycarbonate material, wherein, the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, and head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
Comparative Examples 1.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part: 97 parts of polycarbonate, tricresyl phosphite (2, the 4-di-tert-butyl) 0.15 part of ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-0.15 part of 4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3 parts of 3-glyceryl esters, 3 parts of carbon blacks.
Present embodiment the preparation method, comprise following processing step:
(1) by weight with tricresyl phosphite (2, the 4-di-tert-butyl) ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester, carbon black drop into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, make the dumb light polycarbonate material, wherein, the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, and head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
Comparative Examples 2.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part: 97 parts of polycarbonate, tricresyl phosphite (2, the 4-di-tert-butyl) 0.15 part of ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-0.15 part of 4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,0.3 part of 3-glyceryl ester, 3 parts of ferric oxide, 2 parts in barium sulfate.
Present embodiment the preparation method, comprise following processing step:
(1) by weight with tricresyl phosphite (2, the 4-di-tert-butyl) ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester, ferric oxide, barium sulfate drop into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, make the dumb light polycarbonate material, wherein, the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, and head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
Comparative Examples 3.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part: 97 parts of polycarbonate, tricresyl phosphite (2, the 4-di-tert-butyl) 0.15 part of ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-0.15 part of 4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,0.3 part of 3-glyceryl ester, 3 parts of titanium dioxide, 2.0 parts of talcum powder.
Present embodiment the preparation method, comprise following processing step:
(1) by weight with tricresyl phosphite (2, the 4-di-tert-butyl) ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester, titanium dioxide, talcum powder drop into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, make the dumb light polycarbonate material, wherein, the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, and head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
Comparative Examples 4.
A kind of dumb light polycarbonate material, it is comprised of the raw material of following weight part: 97 parts of polycarbonate, tricresyl phosphite (2, the 4-di-tert-butyl) 0.15 part of ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-0.15 part of 4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3 parts in the mixture of 0.3 part of 3-glyceryl ester, carbon black and ferric oxide and titanium dioxide, 2 parts of BMAT matting agents.
Present embodiment the preparation method, comprise following processing step:
(1) by weight with tricresyl phosphite (2, the 4-di-tert-butyl) ester, octadecyl-3,5-two (1, the 1-dimethyl ethyl)-4-hydroxyl phenylpropyl alcohol, octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1, the mixture of 3-glyceryl ester, carbon black and ferric oxide and titanium dioxide, BMAT matting agent drop into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, make the dumb light polycarbonate material, wherein, the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, and head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
The addition of each component is as shown in table 1 among embodiment 1-3, the Comparative Examples 1-4.
Table 1.
| Component/part | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 | Comparative Examples 4 |
| Polycarbonate | 95 | 97 | 99 | 97 | 97 | 97 | 97 |
| Auxiliary antioxidant | 0.1 | 0.15 | 0.2 | 0.15 | 0.15 | 0.15 | 0.15 |
| Main anti-oxidant | 0.1 | 0.15 | 0.2 | 0.15 | 0.15 | 0.15 | 0.15 |
| Lubricant | 0.1 | 0.3 | 0.5 | 0.3 | 0.3 | 0.3 | 0.3 |
| Tinting material | 0.1 | 3 | 5 | 3 | 3 | 3 | 3 |
| Special dumb light agent | 0.5 | 2.0 | 5.0 | —— | —— | —— | —— |
| BASO4 | —— | —— | —— | —— | 2.0 | —— | —— |
| Talcum powder | —— | —— | —— | —— | —— | 2.0 | —— |
| The BMAT matting agent | —— | —— | —— | —— | —— | —— | 2.0 |
The properties detected result of the dumb light polycarbonate material that embodiment 1-3, Comparative Examples 1-4 make is as shown in table 2.
Table 2.
Interpretation of result: (1) comparative example 1-3, Comparative Examples 1 can be found out from testing data, adds after the special dumb light agent not only so that the glossiness of dumb light polycarbonate material significantly descends, and the impact of impact intensity is very little, can keep good mechanical property.
(2) comparative example 1-3, Comparative Examples 2-3, although can find out that interpolation BASO4 and talcum powder can be so that the glossiness of dumb light polycarbonate material slightly have decline, but very large on the impact of the impact property of dumb light polycarbonate material, the rapid change of melting index shows that greatly polycarbonate material degrades.
(3) comparative example 1-3, Comparative Examples 4, although can find out that interpolation BMAT matting agent can be so that the glossiness of dumb light polycarbonate material has decline, the simultaneously impact of impact performance is little, but has caused the heat-drawn wire of dumb light polycarbonate material to descend obviously.
Claims (7)
1. a dumb light polycarbonate material is characterized in that, it is comprised of the raw material of following weight part:
95～99 parts of polycarbonate
0.1～0.5 part of main anti-oxidant
0.1～0.5 part of auxiliary antioxidant
0.1～0.5 part of lubricant
0.1～5.0 part of tinting material
0.5～5.0 part of special dumb light agent,
Wherein, described lubricant is octadecanoic acid-2-(methylol)-2-[[(1-oxo octadecyl) the oxygen base] methyl]-1,3-glyceryl ester,
Described main anti-oxidant is octadecyl-3, two (1,1-the dimethyl ethyl)-4-hydroxy benzoic propionates of 5-,
Described auxiliary antioxidant is tricresyl phosphite (2,4-di-tert-butyl) ester,
Described special dumb light agent is methyl methacrylate and acrylate copolymer.
2. dumb light polycarbonate material according to claim 1 is characterized in that, it is comprised of the raw material of following weight part:
95～97 parts of polycarbonate
0.1～0.3 part of main anti-oxidant
0.1～0.3 part of auxiliary antioxidant
0.1～0.3 part of lubricant
0.1～3 part of tinting material
0.5～3 part of special dumb light agent.
3. dumb light polycarbonate material according to claim 1 is characterized in that, it is comprised of the raw material of following weight part:
97～99 parts of polycarbonate
0.3～0.5 part of main anti-oxidant
0.3～0.5 part of auxiliary antioxidant
0.3～0.5 part of lubricant
3～5.0 parts of tinting materials
3～5.0 parts of special dumb light agent.
4. dumb light polycarbonate material according to claim 1 is characterized in that, described polycarbonate is bisphenol A polycarbonate.
5. dumb light polycarbonate material according to claim 1 is characterized in that, described tinting material is any one or the two or more mixture in carbon black, ferric oxide or the titanium dioxide.
6. the preparation method of the described dumb light polycarbonate material of claim 1 to 5 any one is characterized in that, it is comprised of following processing step:
(1) by weight main anti-oxidant, auxiliary antioxidant, lubricant, tinting material, special dumb light agent are dropped into stirrer for mixing and stir, stirring velocity is 100～200r/min, and churning time is 1～2min;
(2) polycarbonate is added in the material pre-mixed in (1) step, continue to stir 2～4min;
(3) extruding pelletization: the material that (2) step was mixed carries out extruding pelletization by twin screw extruder, makes flame retardant grade dumb light polycarbonate material.
7. the preparation method of dumb light polycarbonate material according to claim 6, it is characterized in that, the condition of extruding pelletization was during described processing step (3) went on foot: the extrusion temperature of feeding section is 230～250 ℃, the extrusion temperature of fluxing zone is 250～270 ℃, the extrusion temperature of melt conveying zone is 250～270 ℃, head temperature is 240～260 ℃, and vacuum tightness is 0.6～0.8MPa.
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| CN111690187A (en) * | 2020-07-03 | 2020-09-22 | 宁波恒拓高分子材料有限公司 | Wear-resistant PC encapsulating material modification process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863849A (en) * | 2003-11-20 | 2006-11-15 | 罗姆两合公司 | Molding material containing a matting agent |
| CN102702716A (en) * | 2012-06-29 | 2012-10-03 | 东莞市银禧光电材料科技有限公司 | High light-transmittance and high flame-retardant polycarbonate material and preparation method of polycarbonate material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1863849A (en) * | 2003-11-20 | 2006-11-15 | 罗姆两合公司 | Molding material containing a matting agent |
| CN102702716A (en) * | 2012-06-29 | 2012-10-03 | 东莞市银禧光电材料科技有限公司 | High light-transmittance and high flame-retardant polycarbonate material and preparation method of polycarbonate material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690187A (en) * | 2020-07-03 | 2020-09-22 | 宁波恒拓高分子材料有限公司 | Wear-resistant PC encapsulating material modification process |
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Effective date of registration: 20190425 Address after: 523000 Nan Ge industrial area, Dao Jiao Town, Dongguan, Guangdong Patentee after: DONGGUAN SILVER AGE OPTOELECTRONICS SCI. & TECH. CO., LTD. Address before: 523927, Humen Town, Guangdong City, Dongguan Province Patentee before: Guangdong Silverage Holdings Ltd. |