CN103525045A - Processing technology of PBT (Polybutylene Terephthalate) blue color masterbatch - Google Patents
Processing technology of PBT (Polybutylene Terephthalate) blue color masterbatch Download PDFInfo
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- CN103525045A CN103525045A CN201310129050.5A CN201310129050A CN103525045A CN 103525045 A CN103525045 A CN 103525045A CN 201310129050 A CN201310129050 A CN 201310129050A CN 103525045 A CN103525045 A CN 103525045A
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- CN
- China
- Prior art keywords
- pbt
- optical fiber
- processing technology
- blue color
- color masterbatch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92809—Particular value claimed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to a processing technology of a PBT (Polybutylene Terephthalate) blue color masterbatch. The processing technology comprises the steps of adding a polypropylene nucleating agent and a PVC (Polyvinyl Chloride) heat stabilizer while matching the colors of PBT and a blue pigment and blending PBT and the blue pigment, wherein the polypropylene nucleating agent accounts for 5-20% of the total weight of a material, and the PVC heat stabilizer accounts for 5-20% of the total weight of the material; then, mixing to obtain the PBT blue color masterbatch. The processing technology has the advantages that (1) the polypropylene nucleating agent is added, so that the crystallization temperature is raised, the crystallization time is shortened, the formation is promoted, and the extra length of an optical fiber is controlled within an allowable range when a loose tube is cabled; (2) the PVC heat stabilizer is added, so that the heat resistance and the moving resistance are remarkably improved in petroleum butter at the same temperature, and the optical fiber/cable distinguishing effect is improved; (3) all indexes of the blue color masterbatch produced through the measures meet enterprise standard requirements through test detection, the extra length of the optical fiber/cable used by an optical fiber/cable production enterprise meets a specification requirement, the heat resistance and the petroleum butter resistance meet requirements, and the original defects of linear expansion coefficients, heat resistance and petroleum butter moving resistance are overcome.
Description
Technical field
The complete processing that the present invention relates to the blue colour batch of a kind of PBT, belongs to technical field of plastic.
Background technology
PBT colour batch is to take PBT after base-material and pigment stir, then puts into and in forcing machine, carry out mixing, pelletizing.
But due to PBT and blue pigment toner mixing after, produced new problem,
1, affect its coefficient of linear expansion, during loose sleeve pipe stranding, excess fiber length exceeds specified requirement.
2,, because optical fiber cable is worked under various environment, when temperature is higher, can make its color gray scale decline, decolour.Affected the effect of distinguishing of optical fiber cable.
3, optical fiber cable in process of production, inject vaseline and guarantee optical fiber property.But vaseline makes color transfer, affected the effect of distinguishing of optical fiber cable.
Summary of the invention
The present invention is directed to above-mentioned defect, object is to provide a kind of good remaining long complete processing of controlling the blue colour batch of PBT of effect that has.
The technical solution used in the present invention is for this reason: the present invention, when PBT and blue pigments color matching stirring, adds the PVC thermo-stabilizer of polypropylene nucleater and 0.5～2 ‰ of material gross weight 0.5～2 ‰, then mixing forming.
When mixing, control forcing machine rotating speed, make motor speed be controlled at 25～35 turn/min, the rotating speed that extruder screw length-to-diameter ratio is 35:1.
When mixing, during forcing machine work, the temperature in 1st～6 district is controlled at 200～260 ℃.
Advantage of the present invention is: 1) the present invention adds polypropylene nucleater, improves Tc, accelerates crystallization time, promotes moulding, makes loose sleeve pipe when stranding, and excess fiber length is controlled in allowed band; 2) the present invention adds PVC thermo-stabilizer, and in uniform temp and vaseline, thermotolerance and resistance to migration significantly improve, and improves the effect of distinguishing of optical fiber cable; 3) the blue colour batch that the present invention produces by above-mentioned measure detects indices by test and reaches company standard requirement, through optical fiber cable manufacturing enterprise, use remaining long requirement up to specification, thermotolerance and resistance to vaseline performance meet the requirements, linear expansivity, thermotolerance, resistance to vaseline transport property before having overcome.
Accompanying drawing explanation
Fig. 1 is Tc figure of the present invention.
Fig. 2 is crystallization time figure of the present invention.
Fig. 3 is prior art Tc figure.
Fig. 4 is the crystallization time figure of prior art.
Embodiment
Embodiment mono-:
The present invention, when PBT and blue pigments color matching stirring, adds the polypropylene nucleater of material gross weight 0.5 ‰ and 0.5 ‰ PVC thermo-stabilizer, then mixing forming.
When mixing, control forcing machine rotating speed, make motor speed be controlled at 35 turn/min, the rotating speed that extruder screw length-to-diameter ratio is 35:1.
When mixing, during forcing machine work, the temperature in 1st～6 district is controlled at 200 ℃.
Embodiment bis-:
The present invention, when PBT and blue pigments color matching stirring, adds the polypropylene nucleater of material gross weight 2 ‰ and 2 ‰ PVC thermo-stabilizer, then mixing forming.
When mixing, control forcing machine rotating speed, make motor speed be controlled at 25 turn/min, the rotating speed that extruder screw length-to-diameter ratio is 35:1.
When mixing, during forcing machine work, the temperature in 1st～6 district is controlled at 260 ℃.。
Embodiment tri-:
The present invention, when PBT and blue pigments color matching stirring, adds the polypropylene nucleater of material gross weight 1.5 ‰ and 1.52 ‰ PVC thermo-stabilizer, then mixing forming.
When mixing, control forcing machine rotating speed, make motor speed be controlled at 30 turn/min, the rotating speed that extruder screw length-to-diameter ratio is 35:1.
When mixing, during forcing machine work, the temperature in 1st～6 district is controlled at 230 ℃.
Claims (3)
- The complete processing of the blue colour batch of 1.PBT, is characterized in that, when PBT and blue pigments color matching stirring, adds the PVC thermo-stabilizer of polypropylene nucleater and 0.5～2 ‰ of material gross weight 0.5～2 ‰, then mixing forming.
- 2. the complete processing of the blue colour batch of PBT according to claim 1, is characterized in that, when mixing, controls forcing machine rotating speed, makes motor speed be controlled at 25～35 turn/min, the rotating speed that extruder screw length-to-diameter ratio is 35:1.
- 3. the complete processing of the blue colour batch of PBT according to claim 1, is characterized in that, when mixing, during forcing machine work, the temperature in 1st～6 district is controlled at 200～260 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310129050.5A CN103525045A (en) | 2013-04-15 | 2013-04-15 | Processing technology of PBT (Polybutylene Terephthalate) blue color masterbatch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310129050.5A CN103525045A (en) | 2013-04-15 | 2013-04-15 | Processing technology of PBT (Polybutylene Terephthalate) blue color masterbatch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103525045A true CN103525045A (en) | 2014-01-22 |
Family
ID=49927417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310129050.5A Pending CN103525045A (en) | 2013-04-15 | 2013-04-15 | Processing technology of PBT (Polybutylene Terephthalate) blue color masterbatch |
Country Status (1)
| Country | Link |
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| CN (1) | CN103525045A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700429A (en) * | 2015-07-24 | 2017-05-24 | 苏州盈茂光电材料股份有限公司 | Process for enhancing PBT bending resistant and grinding performance |
| CN106700430A (en) * | 2015-07-24 | 2017-05-24 | 苏州盈茂光电材料股份有限公司 | Production process for polybutylene telephthalate (PBT) used for optical cable |
-
2013
- 2013-04-15 CN CN201310129050.5A patent/CN103525045A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700429A (en) * | 2015-07-24 | 2017-05-24 | 苏州盈茂光电材料股份有限公司 | Process for enhancing PBT bending resistant and grinding performance |
| CN106700430A (en) * | 2015-07-24 | 2017-05-24 | 苏州盈茂光电材料股份有限公司 | Production process for polybutylene telephthalate (PBT) used for optical cable |
| CN106700430B (en) * | 2015-07-24 | 2019-02-22 | 苏州盈茂光电材料股份有限公司 | Optical cable polybutylene terephthalate (PBT) production technology |
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| C06 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140122 |