CN101220201A - In situ composite material and method for producing the same - Google Patents
In situ composite material and method for producing the same Download PDFInfo
- Publication number
- CN101220201A CN101220201A CNA2007103050746A CN200710305074A CN101220201A CN 101220201 A CN101220201 A CN 101220201A CN A2007103050746 A CNA2007103050746 A CN A2007103050746A CN 200710305074 A CN200710305074 A CN 200710305074A CN 101220201 A CN101220201 A CN 101220201A
- Authority
- CN
- China
- Prior art keywords
- situ composite
- mppo
- lcp
- parts
- composite material
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
-
- 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
- B29C2948/92514—Pressure
-
- 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
- B29C2948/92561—Time, e.g. start, termination, duration or interruption
-
- 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
- B29C2948/92704—Temperature
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an in situ composite material and a preparation method thereof. The material contains 100 portions of MPPO, 10 to 100 portions of liquid crystalline polymer, 5 to 20 portions of flexibilizer, 5 to 20 portions of flame retardant and 0.5 to 5 portions of other addition agents. The production method of the in situ composite material comprises the following technique steps that: at first, the materials are mixed according to the proportion, and are sent to a plastic double screw extruder, the temperature is controlled between 260 DEG C and 320 DEG C, then the pelleting process is carried out, and at last the in situ composite material is obtained. The liquid crystalline polymer LCP is added to the invention, which leads the MPPO to be enhanced and modified, and the prepared in situ composite material has super mechanical strength. The in situ composite material prepared by the invention not only has super mechanical property, but also lowers the melt viscosity of the MPPO, thus improving the processability, and the preparing technique of the in situ composite material provided by the invention is simple.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of in-situ composite and preparation method thereof.
Background technology
Liquid crystalline polymers (being called for short LCP) is meant that some part of macromolecular chain when liquid state still can be ordered arrangement mutually, have high strength, high elastic coefficient, and excellent size stability and formability, be the novel high-performance macromolecular material that develops rapidly the nearly more than ten years, cause the attention of height because of its performance with particular structure and excellence.
The liquid crystal polymer in-situ composite is meant when TLCP and thermoplastic polymer carry out melt blending, because of liquid crystal polymer have under the low stress easily characteristics such as orientation make blend melt under the processing shear-stress, inject or the extrusion moulding process in the liquid crystal microcell be orientated to microfibrillar structure, stiff molecule has long time of relaxation simultaneously, microfibrillar structure is frozen getting off and play the effect of self-enhancement easily, and this structure is original position formation when goods cool off, and therefore is called in-situ composite.
PPO/PS alloy (MPPO) is a kind of amorphous polymer, excellent combination property, and specification is various in style.But the rigidity of pure PPO/PS alloy, intensity, hardness etc. can not satisfy the demand to the high occasion of requirement of strength, must carry out enhancing modified, and traditional enhancing modified generally adopts glass fibre to do properties-correcting agent, it is undesirable that but glass strengthens the outward appearance of MPPO, very big to the material impact intensity effect.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of in-situ composite and preparation method thereof, and the material that makes has outstanding mechanical property, thermotolerance and excellent processibility.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions.
A kind of in-situ composite and preparation method thereof.Its composition is 100 parts of (part): MPPO by weight ratio, liquid crystalline polymers LCP10～100 part, 5～20 parts of toughner, 5～20 parts of fire retardants, 0.5～5 part of other auxiliary agent.
Wherein, described MPPO is polyphenylene oxide PPO and polystyrene PS alloy.
Wherein, described PPO resin, its limiting viscosity is 0.3～0.5dl/g.
Wherein, described toughner is rubber or the elastomerics that contains styrene monomer.
Wherein, described LCP is a kind of thermotropic liquid crystal superpolymer-PET/PHB multipolymer that contains flexible chain.
Wherein, described fire retardant is the organophosphate based flame retardant.
Wherein, described other auxiliary agent comprises processing aid, oxidation inhibitor, thermo-stabilizer or ultraviolet absorbers.
A kind of preparation method of in-situ composite comprises step:
A: at first with LCP 150 ℃ of dryings more than 8 hours in vacuum drying oven;
B: take by weighing dry good LCP and MPPO and auxiliary agent by weight ratio;
C: the starting material that weigh up are put into the dried 3～5min of mixing in the super mixer;
E: mixed raw materials among the d is put into the loading hopper of twin screw extruder, through melt extruding granulation.Complete processing is as follows: twin screw extruder one district temperature 260-280 ℃, two district temperature 275-290 ℃, three district temperature 275-290 ℃, four district temperature 260-280 ℃, head 280-300 ℃, the residence time 2～3min, pressure are 12-18MPa.
Above technical scheme as can be seen, the present invention has following beneficial effect:
1: annex solution crystalline polymer LCP of the present invention, MPPO is played the effect of enhancing modified, prepared MPPO/LCP in-situ composite has the physical strength of superelevation.
2: the MPPO/LCP in-situ composite that the present invention makes reduces the melt viscosity of PPO/PS when having the superelevation mechanical property, and processibility improves.
3: the preparation technology of the MPPO/LCP in-situ composite that the present invention proposes is simple.
Embodiment
The invention provides a kind of in-situ composite and preparation method thereof.Its composition is 100 parts of (part): MPPO by weight ratio, 10～100 parts of liquid crystalline polymers LCP, and 5～20 parts of toughner, 5～20 parts of fire retardants, 0.5～5 part of other auxiliary agent,
Wherein, described MPPO is polyphenylene oxide PPO and polystyrene PS alloy, described PPO resin, its limiting viscosity is 0.3～0.5dl/g, described toughner is rubber or the elastomerics that contains styrene monomer, as styrene-butadiene block copolymer (SBS), Hydrogenated SBS (SEBS), high-impact polystyrene (HIPS) etc., described LCP is a kind of thermotropic liquid crystal superpolymer-PET/PHB multipolymer that contains flexible chain, described fire retardant is the organophosphate based flame retardant, as Resorcinol-bis phosphoric acid diphenyl ester (RDP), dihydroxyphenyl propane-bis phosphoric acid diphenyl ester (BDP) etc., described other auxiliary agent comprises processing aid, oxidation inhibitor, thermo-stabilizer, ultraviolet absorbers etc.
In the present invention, at first with LCP 150 ℃ of dryings more than 8 hours in vacuum drying oven; Take by weighing dry good LCP and PPO, PS resin and auxiliary agent by weight ratio; Then the starting material that weigh up are put into to do in the super mixer and mixed 3～5min; Above-mentioned mixed raw materials is put into the loading hopper of twin screw extruder, through melt extruding granulation.Complete processing is as follows: twin screw extruder one district temperature 260-280 ℃, two district temperature 275-290 ℃, three district temperature 275-290 ℃, four district temperature 260-280 ℃, head 280-300 ℃, the residence time 2～3min, pressure are 12-18MPa.
For ease of the present invention is further understood, now describe the present invention in conjunction with specific embodiments:
Embodiment 1:
Take by weighing 100 parts of MPPO, 10 parts of LCP, 5 parts of SEBS, 10 parts of RDP, other auxiliary agents 0.5.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 270 ℃; Two districts: 285 ℃; Three districts: 285 ℃; Four districts: 270 ℃; Head: 285 ℃; The residence time 2～3min.Pressure is 15MPa.
Embodiment 2:
Take by weighing 100 parts of MPPO, 30 parts of LCP, 5 parts of SEBS, 10 parts of RDP, other auxiliary agents 0.5.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 270 ℃; Two districts: 285 ℃; Three districts: 285 ℃; Four districts: 270 ℃; Head: 285 ℃; The residence time 2～3min.Pressure is 15MPa.
Embodiment 3:
Take by weighing 100 parts of MPPO, 50 parts of LCP, 5 parts of SEBS, 10 parts of RDP, other auxiliary agents 0.5.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 270 ℃; Two districts: 285 ℃; Three districts: 285 ℃; Four districts: 270 ℃; Head: 285 ℃; The residence time 2～3min.Pressure is 15MPa.
Embodiment 4:
Take by weighing 100 parts of MPPO, 100 parts of LCP, 5 parts of SEBS, 10 parts of RDP, other auxiliary agents 0.5.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 270 ℃; Two districts: 285 ℃; Three districts: 285 ℃; Four districts: 270 ℃; Head: 285 ℃; The residence time 2～3min.Pressure is 15MPa.
Comparative Examples:
Take by weighing 100 parts of MPPO, 5 parts of SEBS, 10 parts of RDP, other auxiliary agents 0.5.The material that mixes is joined in the hopper of twin screw extruder, through melt blending, extruding pelletization becomes matrix material.Wherein, each heating region temperature setting of screw rod is respectively: district's temperature: 270 ℃; Two districts: 285 ℃; Three districts: 285 ℃; Four districts: 270 ℃; Head: 285 ℃; The residence time 2～3min.Pressure is 15MPa.
Performance test:
Tensile strength is tested by GB/T 1040 standards.Specimen types is the I type, batten size (mm): 170 (length) * (20 ± 0.2) (end width) * (4 ± 0.2) (thickness), and draw speed is 50mm/min;
Flexural strength and modulus in flexure are tested by GB 9341/T standard.Specimen types is specimen size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2), rate of bending are 20mm/min;
Notched Izod impact strength is tested by GB/T 1043 standards.Specimen types is the I type, specimen size (mm): (80 ± 2) * (10 ± 0.2) * (4 ± 0.2); The breach type is a category-A, and the breach residual thickness is 3.2mm.
The prescription and the material property of embodiment 1～4, Comparative Examples see Table 1:
Table 1
| Form | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative Examples |
| MPPO (part) | 100 | 100 | 100 | 100 | 100 |
| LCP (part) | 10 | 30 | 50 | 100 | / |
| SEBS (part) | 5 | 5 | 5 | 5 | 5 |
| RDP (part) | 10 | 10 | 10 | 10 | 10 |
| Other auxiliary agent (part) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| Notched Izod impact strength (KJ/m 2) | 28 | 25.5 | 25 | 21 | 30 |
| Tensile strength (Mpa) | 85 | 100 | 123 | 135 | 77 |
| Elongation at break (%) | 6.5 | 3.8 | 2.95 | 1.86 | 35 |
| Flexural strength (Mpa) | 105 | 129 | 140 | 155 | 100 |
| Modulus in flexure (Mpa) | 2250 | 2319 | 2500 | 3098 | 2150 |
| Melt viscosity (Pas) | 950 | 875 | 750 | 618 | 1000 |
| Fire-retardant (1.5mm) | V0 | V0 | V0 | V0 | V0 |
As can be seen from the above table, along with the increase of LCP content, the tensile strength of MPPO significantly improves, and elongation descends with the increase of LCP content.LCP and PPO/PS are incompatible, and it makes the mechanical property raising of PPO/PS alloy is that original position has formed the LCP microfibrillar structure, has played the effect of original position enhanced because LCP is embedded in the matrix of PPO/PS alloy.LCP reduces the melt viscosity of PPO/PS when strengthening the PPO/PS alloy, and processibility is improved, and the toughness of material descends few.
More than a kind of in-situ composite provided by the present invention and preparation method thereof is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. an in-situ composite is characterized in that, its composition is (part) by weight ratio:
100 parts of Noryl MPPO;
10～100 parts of liquid crystalline polymers LCP;
5～20 parts of toughner;
5～20 parts of fire retardants;
0.5～5 part of other auxiliary agent.
2. in-situ composite as claimed in claim 1 is characterized in that: described MPPO is polyphenylene oxide PPO and polystyrene PS alloy.
3. in-situ composite as claimed in claim 2 is characterized in that: described PPO resin, its limiting viscosity are 0.3～0.5dl/g.
4. in-situ composite as claimed in claim 1 is characterized in that: described toughner is rubber or the elastomerics that contains styrene monomer.
5. in-situ composite as claimed in claim 1 is characterized in that: described LCP is a kind of thermotropic liquid crystal superpolymer-poly terephthalic acid ethylene glycol PET of flexible chain and multipolymer of P-hydroxybenzoic acid PHB of containing.
6. in-situ composite as claimed in claim 1 is characterized in that: described fire retardant is the organophosphate based flame retardant.
7. in-situ composite as claimed in claim 1 is characterized in that: described other auxiliary agent comprises processing aid, oxidation inhibitor, thermo-stabilizer or ultraviolet absorbers.
8. the preparation method of in-situ composite according to claim 1 is characterized in that, comprises step:
A: at first with LCP 150 ℃ of dryings more than 8 hours in vacuum drying oven;
B: take by weighing dry good LCP and MPPO and auxiliary agent by weight ratio;
C: the starting material that weigh up are put into the dried 3～5min of mixing in the super mixer;
D: mixed raw materials among the c is put into the loading hopper of twin screw extruder, through melt extruding granulation.Complete processing is as follows: twin screw extruder one district temperature 260-280 ℃, two district temperature 275-290 ℃, three district temperature 275-290 ℃, four district temperature 260-280 ℃, head 280-300 ℃, the residence time 2～3min, pressure are 12-18MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103050746A CN101220201A (en) | 2007-12-26 | 2007-12-26 | In situ composite material and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103050746A CN101220201A (en) | 2007-12-26 | 2007-12-26 | In situ composite material and method for producing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101220201A true CN101220201A (en) | 2008-07-16 |
Family
ID=39630292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103050746A Pending CN101220201A (en) | 2007-12-26 | 2007-12-26 | In situ composite material and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101220201A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880451A (en) * | 2010-07-23 | 2010-11-10 | 北京化工大学 | A kind of halogen-free flame-retardant polyphenylene ether compound and its preparation method |
| CN115895234A (en) * | 2022-11-17 | 2023-04-04 | 聚力防静电科技(广东)有限公司 | High-rigidity low-warpage permanently antistatic reinforced PPO/LCP compound and preparation method thereof |
-
2007
- 2007-12-26 CN CNA2007103050746A patent/CN101220201A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880451A (en) * | 2010-07-23 | 2010-11-10 | 北京化工大学 | A kind of halogen-free flame-retardant polyphenylene ether compound and its preparation method |
| CN101880451B (en) * | 2010-07-23 | 2012-05-09 | 北京化工大学 | A kind of halogen-free flame-retardant polyphenylene ether compound and its preparation method |
| CN115895234A (en) * | 2022-11-17 | 2023-04-04 | 聚力防静电科技(广东)有限公司 | High-rigidity low-warpage permanently antistatic reinforced PPO/LCP compound and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101922246B1 (en) | Polymer resin composition having excellent impact resistance or heat resistance | |
| CN101302336B (en) | Flame-retardant PPO/PA alloy and preparation thereof | |
| CN104761878B (en) | A kind of polycarbonate composite material and preparation method thereof | |
| US10287434B2 (en) | Polymer resin composition having excellent chemical resistance | |
| CN101985491B (en) | Plastic compatibilizer and method for preparing same, and polyphenylene oxide/nylon alloy containing compatibilizer and preparation method thereof | |
| CN101280095A (en) | Glass fiber reinforced polyethylene terephthalate composite material and preparation method thereof | |
| JPH022898B2 (en) | ||
| WO2007049529A1 (en) | Polyester resin composition and molded body using same | |
| KR102362818B1 (en) | Polyester resin composition and molded artice manufactured therefrom | |
| KR102119444B1 (en) | Chemically resistant resin composition for center fasia | |
| CN101759985B (en) | Transparent polycarbonate/polybutylece terephthalate alloy and preparation method thereof | |
| KR102031756B1 (en) | Composition comprising polyamide 66 and a polyamide chosen from the group consisting of: polyamide 610, polyamide 1010 and polyamide 1012 | |
| CN106467657A (en) | High heat-resistant PLA/PHA composite material and its preparation method | |
| WO2005075564A1 (en) | Resin composition and molded object obtained by molding the same | |
| CN104559152A (en) | Application of hyperbranched polyester in PA6 (polyamide 6) | |
| KR102042692B1 (en) | High heat resistance polymer resin composition with excellent chemical resistance | |
| CN103435978A (en) | PET composite material and preparation method thereof | |
| CN103709681B (en) | A kind of high tenacity, high-heat-resisting glass-fiber strengthen PBT composite and preparation method thereof | |
| CN107501771A (en) | A kind of low-shrinkage modified polypropylene material and preparation method thereof | |
| CN101067037B (en) | Fire retardant PC composition material and its preparation method | |
| CN101220201A (en) | In situ composite material and method for producing the same | |
| CN103980685B (en) | A kind of shock resistance biodegradable polyesters composition and method of making the same | |
| KR101275451B1 (en) | polylactic acid resin composition | |
| CN104004339B (en) | A kind of toughness reinforcing PC/PBT/AES alloy material and preparation method thereof | |
| JP2007262339A (en) | Polylactic acid-based polyester resin composition, method for producing the same and molding using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20080716 |