CN101423653B - Glass fiber reinforced polybutylene terephthalate resin composition with laser printing marking function and preparation method thereof - Google Patents
Glass fiber reinforced polybutylene terephthalate resin composition with laser printing marking function and preparation method thereof Download PDFInfo
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- CN101423653B CN101423653B CN2008102037927A CN200810203792A CN101423653B CN 101423653 B CN101423653 B CN 101423653B CN 2008102037927 A CN2008102037927 A CN 2008102037927A CN 200810203792 A CN200810203792 A CN 200810203792A CN 101423653 B CN101423653 B CN 101423653B
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Abstract
The invention provides a glass fiber reinforced polybutylene terephthalate resin composition with laser marking function, which is characterized in that the composition consists of the following materials in weight portion: 10 to 99 portions of polybutylene terephthalate, 0 to 40 portions of polyethylene glycol terephthalate, 0 to 40 portions of continuous glass fiber, 0 to 15 portions of toughening agent, 0.2 to 0.5 portion of nucleating agent, 0.2 to 0.5 portion of coupling agent, 0 to 0.5 portion of carbon black, 0.2 to 1.0 portion of laser marking agent and 0.3 and 0.5 portion of antioxidant. The invention also provides a method for preparing the composition; the method is as follows: the materials are mixed, placed in a double screw extruder for extrusion, cooled down, dried and diced. The resin composition has the advantages of good mechanical performance and laser marking performance.
Description
Technical field
The present invention relates to a kind of glass and strengthen polybutylene terephthalate resin combination and preparation method thereof, belong to polymer processing field with laser printing marking function.
Background technology
Product labelling is industrial more and more important, plastic prod particularly, and its range of application is extensive especially, on producing, the date manufactured, bar code, company's poster, sequence numbers etc. all need frequent mark.And labeling technique commonly used as printing, floatingly carve, paste modes such as stamp, but intricately very during this printing operation needs skilled staff and a large amount of time.In addition, tab character or mark are quite difficult on irregular surface.But noncontact, high speed importance with laser more and more increase, and especially are so aspect plastics, and marking is plastics itself, make the more durable and erosion resistant of laser index carving.In addition, because laser index carving does not use solvent, therefore can not cause environmental pollution or toxic problem.The another one advantage is that starting material can be reused.
Japan's publication (2001-302922) disclose comprise ABS resin, maleimide base co-polymer, vinyl cyanide base co-polymer, as the ferric oxide of black pigment and the resin combination that is used for laser labelling of other staining agent.Yet when this resin combination was used to laser labelling, the white colour that is labeled product was also unintelligible.
Polybutylene terephthalate (PBT) resin often is used in the electric equipment products, wherein involves the sign mode that remains printing now commonly used of electric equipment products, yet the easy abrasion of this mode Chang Youru foregoing description, can cause problem such as environmental pollution.
Summary of the invention
The purpose of this invention is to provide a kind of glass and strengthen polybutylene terephthalate resin combination and preparation method thereof with laser printing marking function, said composition can go out the black marking by laser ablation on white base, and laser ablation goes out the white marking on black matrix, and can keep glass to strengthen the high performance nature of polybutylene terephthalate resin.
In order to achieve the above object, technical scheme of the present invention provides a kind of glass with laser printing marking function and strengthens the polybutylene terephthalate resin combination, it is characterized in that, is made up of following raw material in weight part:
Polybutylene terephthalate 10-99;
Polyethylene terephthalate 0-40;
Continuous glass fibre 0-40;
Toughner 0-15;
Nucleator 0.2-0.5;
Coupling agent 0.2-0.5;
Carbon black 0-0.5;
Laser marking agent 0.2-1.0;
Oxidation inhibitor 0.3-0.5.
Further, the intrinsic viscosity of described polybutylene terephthalate is preferably between 0.8-1.0ml/g.
Described pet resin intrinsic viscosity is preferably between 0.6-0.8ml/g.
Described continuous glass fibre is preferably alkali free glass fibre, and its diameter is 10-25 μ m.
Described toughner is preferably ethene-butyl acrylate-glycidyl methacrylate copolymer.
Described nucleator is preferably NAV101.
Described carbon black is preferably C-311.
Described coupling agent is preferably γ-An Bingjisanyiyangjiguiwan.
Described laser marking agent is preferably Micabs A206.
Described oxidation inhibitor is preferably four [β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid] pentaerythritol ester.
The present invention also provides above-mentioned a kind of glass with laser printing marking function to strengthen the preparation method of polybutylene terephthalate resin combination, it is characterized in that concrete steps are:
Take by weighing polybutylene terephthalate by weight, polyethylene terephthalate, toughner, nucleator, coupling agent, carbon black, laser marking agent and oxidation inhibitor, enter twin screw extruder after the mixing, add continuous glass fibre in six districts, forcing machine middle part, control a district temperature 200-220 ℃, two district temperature 220-230 ℃, three district temperature 230-240 ℃, four district temperature 230-240 ℃, five district temperature 230-240 ℃, six district temperature 230-240 ℃, seven district temperature 240-250 ℃, eight district temperature 240-250 ℃, nine district temperature 230-240 ℃, engine speed 300-400 rev/min; Cooling, drying, pelletizing.
Advantage of the present invention is to adopt the laser marking additive as the laser labelling enhancing ingredients, and continuous glass fibre prepares a kind of resin combination that has better mechanical property and laser labelling performance simultaneously as the performance enhancement component.This resin combination can form text of an annotated book word at the black product surface, perhaps forms distinct laser labellings such as black literal at white product surface.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
In embodiment 1-10, matrix resin is polybutylene terephthalate (PBT), and the trade mark is L2100, and limiting viscosity is between 0.8-1.0ml/g, and engineering plastics factory of Yizheng branch office of assets management Management Co., Ltd of SINOPEC produces; Polyethylene terephthalate (PET) resin selects that engineering plastics factory of Yizheng branch office of assets management Management Co., Ltd of SINOPEC produces for use commonly has a light slicing product, and limiting viscosity is between 0.6-0.8ml/g; Continuous glass fibre adopts the thermoplastics assembled roving of Chinese megalith group preparation, and the trade mark is 988A.Toughner adopts the ethene-butyl acrylate-glycidyl methacrylate copolymer (PTW) of du pont company; Nucleator employing section is a kind of long-chain linear saturated carboxylic acid sodium salt of benefactor department how, and the trade mark is NAV101; Coupling agent is selected silane coupling agent for use, and γ-An Bingjisanyiyangjiguiwan, the trade mark are KH550, and Jiang-Han Area, Jing Zhou Fine Chemical Co., Ltd produces; Carbon black is that Shanghai Yanrun Ray Machine Technology Co., Ltd. produces, and the trade mark is C-311; The laser marking additive is that DSM N. V. produces, and the trade mark is Micabs A206.It is four [β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid] pentaerythritol ester that oxidation inhibitor is selected chemical name for use, and trade(brand)name Irganox 1010, and Switzerland Ciba company produces.
In embodiment 1-10, a kind of preparation, 75A (length-to-diameter ratio is 40) the twin screw extruder production of adopting Rhea company to produce with enhancing PBT resin combination of laser printing marking function.
Embodiment 1
With the PBT weight part is 99, and the NAV101 weight part is 0.2, and the KH550 weight part is 0.2, and the A206 weight part is that 0.2,1010 weight part is 0.3, in super mixer with said components mixing at room temperature, afterwards in twin screw extruder production.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 230 ℃ of three district's temperature, 230 ℃ of four district's temperature, 230 ℃ of five district's temperature, 230 ℃ of six district's temperature, 240 ℃ of seven district's temperature, 240 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 300 rev/mins of engine speeds.
Embodiment 2
With the PBT weight part is 10, the PET weight part is 40, and the PTW weight part is 7, and the NAV101 weight part is 0.5, the KH550 weight part is 0.5, the C311 weight part is 0.5, and the A206 weight part is that 1.0,1010 weight parts are 0.5, in super mixer with said components mixing at room temperature, in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part afterwards, and the control glass fiber content is 40.Processing conditions is: 220 ℃ of district's temperature, 230 ℃ of two district's temperature, 240 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 250 ℃ of seven district's temperature, 250 ℃ of eight district's temperature, 240 ℃ of nine district's temperature; 400 rev/mins of engine speeds.
Embodiment 3
With the PBT weight part is 55, the PET weight part is 10, the PTW weight part is 15, and the NAV101 weight part is 0.4, and the KH550 weight part is 0.3, the A206 weight part is 1.0,1010 weight parts are 0.3, in super mixer with said components mixing at room temperature, afterwards in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part, and the control glass fiber content is 28.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Embodiment 4
With the PBT weight part is 65, the PET weight part is 10, the PTW weight part is 4, and the NAV101 weight part is 0.4, and the KH550 weight part is 0.2, the A206 weight part is 0.6,1010 weight parts are 0.3, in super mixer with said components mixing at room temperature, afterwards in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part, and the control glass fiber content is 20.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Embodiment 5
With the PBT weight part is 75, the PET weight part is 10, the PTW weight part is 4, and the NAV101 weight part is 0.4, and the KH550 weight part is 0.2, the A206 weight part is 0.6,1010 weight parts are 0.3, in super mixer with said components mixing at room temperature, afterwards in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part, and the control glass fiber content is 10.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Embodiment 6
With the PBT weight part is 45, the PET weight part is 20, the PTW weight part is 4, and the NAV101 weight part is 0.4, and the KH550 weight part is 0.2, the A206 weight part is 0.6,1010 weight parts are 0.3, in super mixer with said components mixing at room temperature, afterwards in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part, and the control glass fiber content is 30.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Embodiment 7
With the PBT weight part is 35, the PET weight part is 30, the PTW weight part is 4, and the NAV101 weight part is 0.4, and the KH550 weight part is 0.2, the A206 weight part is 0.6,1010 weight parts are 0.3, in super mixer with said components mixing at room temperature, afterwards in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part, and the control glass fiber content is 30.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Embodiment 8
With the PBT weight part is 55, the PET weight part is 10, and the PTW weight part is 4, and the NAV101 weight part is 0.4, the KH550 weight part is 0.2, the A206 weight part is 0.2, and carbon black C-311 weight part is that 0.5,1010 weight part is 0.3, in super mixer with said components mixing at room temperature, in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part afterwards, and the control glass fiber content is 30.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Embodiment 9
With the PBT weight part is 55, the PET weight part is 10, and the PTW weight part is 4, and the NAV101 weight part is 0.4, the KH550 weight part is 0.6, the A206 weight part is 0.2, and carbon black C-311 weight part is that 0.5,1010 weight part is 0.3, in super mixer with said components mixing at room temperature, in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part afterwards, and the control glass fiber content is 30.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Embodiment 10
With the PBT weight part is 55, the PET weight part is 10, and the PTW weight part is 4, and the NAV101 weight part is 0.4, the KH550 weight part is 0.2, the A206 weight part is 1.0, and carbon black C-311 weight part is that 0.5,1010 weight part is 0.3, in super mixer with said components mixing at room temperature, in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part afterwards, and the control glass fiber content is 29.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Comparative Examples 1
With the PBT weight part is 55, the PET weight part is 10, the PTW weight part is 4, the NAV101 weight part is 0.4, and the KH550 weight part is that 0.2,1010 weight part is 0.3, in super mixer with said components mixing at room temperature, in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part afterwards, and the control glass fiber content is 30.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
Comparative Examples 2
With the PBT weight part is 55, the PET weight part is 10, the PTW weight part is 4, and the NAV101 weight part is 0.4, and the KH550 weight part is 0.2, carbon black C-311 weight part is 0.5,1010 weight parts are 0.3, in super mixer with said components mixing at room temperature, afterwards in twin screw extruder production, continuous glass fibre adds from the twin screw extruder middle part, and the control glass fiber content is 30.Processing conditions is: 200 ℃ of district's temperature, 220 ℃ of two district's temperature, 235 ℃ of three district's temperature, 240 ℃ of four district's temperature, 240 ℃ of five district's temperature, 240 ℃ of six district's temperature, 245 ℃ of seven district's temperature, 245 ℃ of eight district's temperature, 230 ℃ of nine district's temperature; 350 rev/mins of engine speeds.
The performance test of product is as follows among the embodiment 1-10:
Notched Izod impact strength is tested by ASTM D256 standard, and specimen size is 64mm * 12.7mm * 3.2mm, and notch depth is 2.2mm.Testing apparatus is the Tinius Olisen shock-testing machine of U.S. Wil1ow Grove company.
The tensile property test is tested by ASTM D638 standard, and specimen size is 168mm * 13mm * 3.2mm, and test speed is 50mm/min.Testing apparatus is the electronics pulling experiment machine of German Zwick company.
The test of bending property is tested by ASTM D790 standard, and specimen size is 64mm * 12.7mm * 3.2mm, and span is 50mm, and test speed is 1.26mm/min.Testing apparatus is the electronics pulling experiment machine of German Zwick company.
Laser marking equipment is selected the DPY-M50 type laser marking equipment of Taide, Shenzhen laser Science and Technology Ltd. for use, and optical maser wavelength is 1061nm, and mean power is 10-50W.
Embodiment and Comparative Examples performance are compared as follows table:
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | - | - |
| The comparative example | - | - | - | - | - | - | - | - | - | - | 1 | 2 |
| IZOD notched Izod impact strength (J/m) | 5.5 | 9.2 | 10.8 | 9.77 | 6.84 | 9.6 | 6.5 | 10.4 | 11.6 | 12.2 | 11.7 | 12.0 |
| Tensile break strength (MPa) | 60.8 | 141.6 | 124.7 | 105.3 | 82.6 | 126.7 | 131.9 | 118.9 | 121.3 | 119.7 | 123.5 | 121.4 |
| Flexural strength (MPa) | 72.2 | 195.4 | 189.3 | 159.2 | 128.6 | 192.2 | 206.4 | 187.5 | 188.2 | 190.3 | 186.6 | 187.4 |
| Modulus in flexure (MPa) | 2251 | 7886 | 7347 | 5189 | 3892 | 7954 | 8431 | 7255 | 7311 | 7248 | 7229 | 7301 |
| Background color | White | White | White | White | White | White | White | Black | Black | Black | White | Black |
| Marker color | Black | Black | Black | Black | Black | Black | Black | White | White | White | Black | White |
| Mark | Difference | Good | Good | Good | Good | Good | Difference | Difference | Difference | Good | Difference | Difference |
As can be seen from the above table, the adding of laser marking additive is less to the mechanical property influence of fiber glass reinforced PBT mixture, the factor that main influence strengthens the mechanical property of PBT mixture is glass fiber content and resin kind, and glass fiber content is high more, and the mixture mechanical property is good more; PET content is high more, and composite strength increases, but toughness reduces.
In addition, as can be seen from the above table, the adding of laser marking additive can significantly improve the laser marking effect of fiber glass reinforced PBT mixture.The used laser marking additive of the used laser marking additive of white substrate mark black mark white at the bottom of the fast black base is few, and the former also is better than the latter at effect.By the present invention, can prepare enhancing PBT resin combination with good laser marking effect and mechanical property.
Claims (11)
1. the glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function is characterized in that, is made up of following raw material in weight part:
Polybutylene terephthalate 10-99;
Polyethylene terephthalate 0-40;
Continuous glass fibre 10-40;
Toughner 0-15;
Nucleator 0.2-0.5;
Coupling agent 0.2-0.5;
Carbon black 0-0.5;
Laser marking agent 0.2-1.0;
Oxidation inhibitor 0.3-0.5.
2. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that the intrinsic viscosity of described polybutylene terephthalate is between 0.8-1.0ml/g.
3. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that described pet resin intrinsic viscosity is between 0.6-0.8ml/g.
4. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that described continuous glass fibre is an alkali free glass fibre, and its diameter is 10-25 μ m.
5. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that described toughner is ethylene-propylene acid butyl ester-glycidyl methacrylate copolymer.
6. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that described nucleator is NAV101.
7. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that described carbon black is C-311.
8. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that described coupling agent is a γ-An Bingjisanyiyangjiguiwan.
9. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination with laser printing marking function as claimed in claim 1 is characterized in that described laser marking agent is Micabs A206.
10. a kind of glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination as claimed in claim 1 with laser printing marking function, it is characterized in that, described oxidation inhibitor is four [β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid] pentaerythritol ester.
11. a kind of preparation method with glass fiber reinforced polyester mutual-phenenyl two acid bromide two alcohol ester resin combination of laser printing marking function as claimed in claim 1 is characterized in that concrete steps are:
Take by weighing polybutylene terephthalate by weight, polyethylene terephthalate, toughner, nucleator, coupling agent, carbon black, laser marking agent and oxidation inhibitor, enter twin screw extruder after the mixing, add continuous glass fibre in six districts, forcing machine middle part, control a district temperature 200-220 ℃, two district temperature 220-230 ℃, three district temperature 230-240 ℃, four district temperature 230-240 ℃, five district temperature 230-240 ℃, six district temperature 230-240 ℃, seven district temperature 240-250 ℃, eight district temperature 240-250 ℃, nine district temperature 230-240 ℃, engine speed 300-400 rev/min; Cooling, drying, pelletizing.
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| CN2008102037927A CN101423653B (en) | 2008-12-01 | 2008-12-01 | Glass fiber reinforced polybutylene terephthalate resin composition with laser printing marking function and preparation method thereof |
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| CN101423653B true CN101423653B (en) | 2011-08-17 |
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| CN102070889A (en) * | 2011-02-28 | 2011-05-25 | 江苏金发科技新材料有限公司 | PET resin composition with laser mark function and preparation method thereof |
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| CN1359969A (en) * | 2000-12-18 | 2002-07-24 | 默克专利股份有限公司 | Plastic capable of laser labelling, preparing process thereof and use |
| CN1377314A (en) * | 1999-09-29 | 2002-10-30 | 通用电气公司 | Composition for laser marking |
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2008
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147227A (en) * | 1994-05-05 | 1997-04-09 | 默克专利股份有限公司 | Laser-markable plastics |
| US5866644A (en) * | 1997-03-17 | 1999-02-02 | General Electric Company | Composition for laser marking |
| CN1377314A (en) * | 1999-09-29 | 2002-10-30 | 通用电气公司 | Composition for laser marking |
| CN1359969A (en) * | 2000-12-18 | 2002-07-24 | 默克专利股份有限公司 | Plastic capable of laser labelling, preparing process thereof and use |
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| CN101423653A (en) | 2009-05-06 |
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