CN1218998C - Polyethanediol terephthalate composition and its preparation method - Google Patents
Polyethanediol terephthalate composition and its preparation method Download PDFInfo
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- CN1218998C CN1218998C CN 02160127 CN02160127A CN1218998C CN 1218998 C CN1218998 C CN 1218998C CN 02160127 CN02160127 CN 02160127 CN 02160127 A CN02160127 A CN 02160127A CN 1218998 C CN1218998 C CN 1218998C
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Abstract
The present invention provides a polyethylene terephthalate composition and a preparing method thereof, which relates to the field of the blending modification of polyester resin. The composition comprises the following components: polyethylene terephthalate, 1 to 20 shares of powdered rubber in a crosslinked structure with the average particle diameter of 0.02 to 0.3 mu m, unvulcanized rubber, graft copolymer of polar monomer, and/or graft copolymer of thermoplastic elastomer and polar monomer, etc. measured by 100 shares of polyethylene terephthalate resin by weight. The polyethylene terephthalate composition is prepared by melting and blending the components. The composition has good toughness, preferable processing property, and better strength and rigidity.
Description
Technical field
The present invention relates to a kind of polymer blend, further, relate to a kind of polyethylene terephthalate composition and method of making the same by the powdered rubber modification.
Background technology
Thermoplastic polyester is one of the world today's five large-engineering plastics, a series of good characteristic such as it has that density is light, intensity is high, electrical insulating property and thermal insulation are good, therefore having a wide range of applications in national economy and in national defense industry and the new high-tech industry, is a kind of indispensable type material.Thermoplastic polyester comprises that mainly poly terephthalic acid comprises polyethylene terephthalate (PET), polybutylene terephthalate (PBT), PEN (PEN) and poly terephthalic acid tetrahydrobenzene two methylene esters (PCT) etc., all is the product of diprotic acid and dibasic alcohol polycondensation.
PET is the very large thermoplastic polyester plastic of a kind of output and consumption, it is used for fiber and packing, hollow container etc. in a large number, because itself chemical structure and physicals, make that its low temperature crystallization speed is very slow, after hot-work, can produce and stick up district's metamorphism, molding processing is difficulty especially, and this has limited the application of PET in other field to a great extent.Generally speaking, PET is carried out injection moulding and need very high mould temperature (about 110～140 ℃).
Summary of the invention
In order to solve these problems that polyethylene terephthalate is used in using, we adopt properties-correcting agent such as powdered rubber that pet resin is carried out modification, can not lose thermotolerance and intensity in toughness reinforcing.Polyethylene terephthalate tensile strength, flexural strength, resistance to impact shock and heat-drawn wire etc. through modification all improve, and forming process is easy.Especially for PET, can improve the slow shortcoming of its crystallization velocity, the reduction of mould temperature reaches as high as (about about 70 ℃ of minimum mould temperature) about half, gives its good moulding processability.
The polyethylene terephthalate composition that the purpose of this invention is to provide a kind of modification has high-toughness high-strength and good moulding processability.
Another object of the present invention provides described polyethylene terephthalate preparation of compositions method.
Polyethylene terephthalate composition of the present invention includes following component blend and forms:
Pet resin;
Powdered rubber with crosslinking structure;
The grafts of the grafts of unvulcanized rubber and polar monomer and/or thermoplastic elastomer and polar monomer.
Be 100 parts in the pet resin parts by weight wherein, the content of described powdered rubber is 1～20 part, is preferably 1～15 part; The powdered rubber that adds too high umber can cause its easy conglomerate in polyester, reduces result of use.The content of described grafts is 1～30 part, is preferably 1～25 part.
Powdered rubber with crosslinking structure of the present invention is preferably the rubber particles of equal phase structure, and its median size is 0.02 μ m～0.3 μ m, be preferably 0.05 μ m～0.2 μ m.Its gel content is in 60% weight or higher, preferred 80% weight or higher.
This kind powdered rubber preferably adopts the prepared fully vulcanized powder rubber of submitting on December 3rd, 1999 according to the applicant of Chinese patent application 99125530.5 (publication number of its international patent application is WO01/40356).This kind fully vulcanized powder rubber is meant that gel content reaches 60% weight or higher, and more excellent is 75% weight or higher, and need not with separant after the drying is free flowable rubber micro mist.The particle diameter of this powdered rubber is 0.02 μ m～2 μ m, is preferably 0.03 μ m～1.5 μ m, and more excellent is 0.05 μ m～0.5 μ m.Each particulate in this fully vulcanized powder rubber all is a homogeneous, and promptly single particulate all is a homogeneous on forming, and does not find layering in the particulate under the observation of existing microtechnique, divides the phenomenon that equates uneven phase.This powdered rubber is by with corresponding rubber latex cross-linking radiation and with rubber particles particle diameter fixed.
Powdered rubber with crosslinking structure of the present invention is selected the fully vulcanized powder rubber good with the polyethylene terephthalate consistency for use, it comprises at least a of following fully vulcanized powder rubber: form of finely divided powder, mehtod carboxylic styrene-butadiene rubber, form of finely divided powder, mehtod acrylic elastomer etc. are preferably the mixture of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer.When powdered rubber is selected the mixture of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer for use, the weight ratio of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer content is 20: 80～80: 20, is preferably 30: 70～70: 30.
The grafts of the grafts of unvulcanized rubber of the present invention and polar monomer or thermoplastic elastomer and polar monomer, unvulcanized rubber is wherein preferentially selected the rubber good with the polyethylene terephthalate consistency for use, and it is selected from carboxylic styrene-butadiene rubber or acrylic elastomer etc.; Described thermoplastic elastomer is preferentially selected the elastomerics good with the polyethylene terephthalate consistency for use, and it is selected from ternary ethylene-propylene copolymer (EPDM), styrene-butadiene-styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS) (SIS), Hydrogenated SBS (SEBS), hydrogenation SIS (SEPS) or ethylene copolymer (POE) thermoplastic elastomer etc.; Described polar monomer is selected from maleic anhydride or glycidyl methacrylate etc.The grafts of unvulcanized thermoplastic elastic body described in the present invention and polar monomer is preferably and is ethylene copolymer POE grafted glycidyl methacrylate (POE-g-GMA) or Hydrogenated SBS grafted maleic anhydride (SEBS-g-MAH).
The grafts of above-described various unvulcanized rubbers and the grafts of various thermoplastic elastomers can be distinguished independent or make up with any composition, as one of integral part in the modified component.Percentage of grafting scope 0.5～6.0% weight of the above grafts is preferably 0.5～3.0% weight.
Can also include some auxiliary agents commonly used in the polyethylene terephthalate course of processing such as toughener (glass), fire retardant (Sb in the composition of polyethylene terephthalate composition of the present invention
2O
3, decabromodiphenyl oxide etc.), nucleator etc., its consumption is conventional amount used, or adjusts according to practical requirements.Generalized case, the content of glass is 100 parts by weight in pet resin, is 0～60 part; Fire retardant is 0～30 part.
Polyethylene terephthalate preparation of compositions method of the present invention is:
Above-described pet resin, powdered rubber and grafts are made described polyethylene terephthalate composition by the rubber and plastic melt-mixing method.In the pet resin parts by weight is 100 parts, and the content of used powdered rubber is 1～20 part, is preferably 1～15 part; The content of used grafts is 1～30 part, is preferably 1～25 part.
The used powdered rubber with crosslinking structure is preferably the rubber particles of equal phase structure among the preparation method of the present invention, and its median size is 0.02 μ m～0.3 μ m, be preferably 0.05 μ m～0.2 μ m.Its gel content is in 60% weight or higher, preferred 80% weight or higher.
This kind powdered rubber can adopt the prepared fully vulcanized powder rubber of submitting on December 3rd, 1999 according to the applicant of Chinese patent application 99125530.5 (publication number of its international patent application is WO01/40356).This kind fully vulcanized powder rubber is meant that gel content reaches 60% weight or higher, and more excellent is 75% weight or higher, and need not with separant after the drying is free flowable rubber micro mist.The particle diameter of this powdered rubber is 0.02 μ m～2 μ m, is preferably 0.03 μ m～1.5 μ m, and more excellent is 0.05 μ m～0.5 μ m.Each particulate in this fully vulcanized powder rubber all is a homogeneous, and promptly single particulate all is a homogeneous on forming, and does not find layering in the particulate under the observation of existing microtechnique, divides the phenomenon that equates uneven phase.This powdered rubber is by with corresponding rubber latex cross-linking radiation and with rubber particles particle diameter fixed.
In preparation process, preferentially select the fully vulcanized powder rubber good for use with the polyethylene terephthalate consistency, it comprises at least a of following fully vulcanized powder rubber: form of finely divided powder, mehtod carboxylic styrene-butadiene rubber, form of finely divided powder, mehtod acrylic elastomer etc. are preferably the mixture of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer.When powdered rubber is selected the mixture of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer for use, the weight ratio of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer content is 20: 80～80: 20, is preferably 30: 70～70: 30.
Used unvulcanized rubber and the grafts of polar monomer or the grafts of thermoplastic elastomer and polar monomer among the preparation method of the present invention, unvulcanized rubber is wherein preferentially selected the rubber good with the polyethylene terephthalate consistency for use, and it is selected from carboxylic styrene-butadiene rubber or acrylic elastomer etc.; Described thermoplastic elastomer is preferentially selected the elastomerics good with the polyethylene terephthalate consistency for use, and it is selected from ternary ethylene-propylene copolymer (EPDM), styrene-butadiene-styrene block copolymer (SBS), styrene isoprene styrene block copolymer (SIS) (SIS), Hydrogenated SBS (SEBS), hydrogenation SIS (SEPS) or ethylene copolymer (POE) thermoplastic elastomer etc.; Described polar monomer is selected from maleic anhydride or glycidyl methacrylate etc.The grafts of unvulcanized thermoplastic elastic body described in the present invention and polar monomer is preferably and is ethylene copolymer POE grafted glycidyl methacrylate (POE-g-GMA) or Hydrogenated SBS grafted maleic anhydride (SEBS-g-MAH).
The grafts of above-described various unvulcanized rubbers and the grafts of various thermoplastic elastomers can be distinguished independent or make up with any composition, as one of integral part in the modified component.Percentage of grafting scope 0.5～6.0% weight of the above grafts is preferably 0.5～3.0% weight.
The grafts of above-mentioned various unvulcanized rubber or various thermoplastic elastomer and polar monomer can be by self-control or commercially available getting.Grafting method during self-control is a plastics grafting method commonly used in the plastic working, promptly generally (as superoxide: melt blending reacts under initiation dicumyl peroxide) at initiator with the unvulcanized rubber of molten state or thermoplastic elastomer and polar monomer (as maleic anhydride, glycidyl methacrylate etc.), obtain the grafts of unvulcanized rubber or thermoplastic elastomer and polar monomer, its percentage of grafting scope is generally 0.5～6.0% weight, is preferably 0.5～3.0% weight.
In preparation process, the blending temperature of material is used blending temperature in the common polyethylene terephthalate processing, can decide according to the melt temperature of the concrete material of polyethylene terephthalate, should select not only guaranteeing the complete fusion of matrix pet material but also can not make in the scope of its decomposition.As the blending temperature of PET in 240～260 ℃ scope.In addition, according to the processing needs, can in the blend material, add some auxiliary agents commonly used in the polyethylene terephthalate course of processing such as toughener (glass), fire retardant, (Sb in right amount
2O
3, decabromodiphenyl oxide etc.), nucleator etc., its consumption is conventional amount used, or adjusts according to practical requirements.Generalized case, the content of glass is 100 parts by weight in pet resin, is 0～60 part; Fire retardant is 0～30 part.
The employed blending equipment of present method is the general blending equipment in the rubber and plastic processing industry, can be twin screw extruder, single screw extrusion machine, mill or Banbury mixer etc.
Polyethylene terephthalate composition of the present invention has good toughness and processing characteristics, and maintains higher intensity and rigidity.Through the PET composition of modification, the reduction that adds mould temperature in man-hour reaches as high as about half, has reduced the difficulty of moulding, improves shaping cycle.In addition, have good intensity and shock resistance, good fluidity, easily injection moulding can be used for fields such as automobile, household electrical appliances, electronics, electric and building.All improve through PBT tensile strength, flexural strength, resistance to impact shock and the heat-drawn wire etc. of modification, forming process is easy, can be used for the production of parts such as electric, household electrical appliances, automobile, mechanical means and precision instrument etc.
Polyethylene terephthalate preparation of compositions method of the present invention, technology is simple, and the toughness reinforcing polyethylene terephthalate composition of gained has good strong and unyielding balance and processing forming.
Embodiment
Further describe the present invention below in conjunction with embodiment.Scope of the present invention is not subjected to the restriction of these embodiment, and scope of the present invention proposes in the appended claims.
Embodiment 1～3:
With PET (polyethylene terephthalate, Yanshan Petrochemical polyester factory, high viscosity) (Beijing Chemical Research Institute produces with ultra-fine form of finely divided powder, mehtod carboxyl butylbenzene, the preparation method is: the trade mark of producing in Yanshan Petrochemical is in the XSBRL-54B1 carboxyl styrene-butadiene emulsion, after sneaking into the crosslinking coagent Isooctyl acrylate monomer by 3% of carboxyl styrene-butadiene emulsion dry glue quality, carry out radiation vulcanization, irradiation dose is 2.5Mrad, spray-dried obtaining, gel content is 92.6% weight, particle diameter is 0.15 μ m), filler superfine talcum powder (Talc Hebei Luquan building material factory is produced, 1250 orders), fire retardant (Sb
2O
3, decabromodiphenyl oxide, commercially available), POE graft glycidyl methacrylate (POE-g-GMA self-control) and calcium stearate (CaSt
2Chemical plant, long positive farm, Beijing) etc., put into low speed mixer to stir the middle extruding pelletization of the twin screw 240～260 ℃ under (ZSK 25, German WP company).Roving glass fiber in the extrusion (Tong County, Beijing glass factory, alkali-free glass fiber) is by material blend in glass charging opening and the screw rod on the twin screw.The pellet of extruding is dried 6hr in 90 ℃ of constant temperature ovens, under 250～270 ℃ condition, be injected into the standard batten then, carry out various Mechanics Performance Testings.Concrete prescription sees Table 1, and wherein each component concentration is all in parts by weight (the PET resin is 100 parts by weight).Testing standard and results of property are as shown in table 1.
Wherein the preparation method of glyceral methacrylate grafting POE is: per 100 parts of POE add 5 parts of glyceral methacrylate and 0.4 part of dicumyl peroxide DCP, melt extrude through twin screw under 200-250 ℃, and its percentage of grafting is about 1.4%; POE is by Dupont production, and the trade mark is 8150.Glyceral methacrylate and dicumyl peroxide are commercially available.
Embodiment 4～6:
With PET (polyethylene terephthalate, Yanshan Petrochemical polyester factory, high viscosity) (Beijing Chemical Research Institute's preparation method: the trade mark of producing in the Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing is that the solid content of BC-01 is in the CALCIUM ACRYLATE latex of 48 weight % with ultra-fine form of finely divided powder, mehtod acrylic elastomer, after sneaking into the crosslinking coagent Isooctyl acrylate monomer by 3% of dry glue quality, carry out radiation vulcanization, irradiation dose is 2.5Mrad, spray-dried obtaining, gel content is 85.7% weight, and particle diameter is 0.1 μ m), POE graft glycidyl methacrylate (with embodiment 1), filler superfine talcum powder (with embodiment 1), calcium stearate (with embodiment 1) and fire retardant (Sb
2O
3, decabromodiphenyl oxide, commercially available), put into low speed mixer and stir, extruding pelletization in the twin screw under 240～260 ℃ (ZSK 25, German WP company).Roving glass fiber in the extrusion (with embodiment 1) is by material blend in glass charging opening and the screw rod on the twin screw.The pellet of extruding is dried 6hr in 90 ℃ of constant temperature ovens, under 250～270 ℃ condition, be injected into the standard batten then, carry out various Mechanics Performance Testings.Concrete prescription sees Table 1, and wherein each component concentration is all in parts by weight.Testing standard and results of property are as shown in table 1.
Comparative example 1～2:
With PET (polyethylene terephthalate, Yanshan Petrochemical polyester factory, high viscosity) and POE graft glycidyl methacrylate (with embodiment 1), filler superfine talcum powder (with embodiment 1), calcium stearate (with embodiment 1) and fire retardant (Sb
2O
3, decabromodiphenyl oxide, commercially available), put into low speed mixer and stir, extruding pelletization in the twin screw under 240～260 ℃ (ZSK 25, German WP company).Roving glass fiber in the extrusion (Tong County, Beijing glass factory) is by material blend in glass charging opening and the screw rod on the twin screw.The pellet of extruding is dried 6hr in 90 ℃ of constant temperature ovens, under 250～270 ℃ condition, be injected into the standard batten then, carry out various Mechanics Performance Testings.Concrete prescription sees Table 1, and wherein each component concentration is all in parts by weight.Testing standard and results of property are as shown in table 1.
Embodiment 7～11:
With PET (polyethylene terephthalate, Yanshan Petrochemical polyester factory, high viscosity) and ultra-fine form of finely divided powder, mehtod acrylic elastomer and ultra-fine full propylene sulfide acid esters powdered rubber (the same), POE graft glycidyl methacrylate (with embodiment 1), filler superfine talcum powder (with embodiment 1), calcium stearate (with embodiment 1) and fire retardant (Sb
2O
3, decabromodiphenyl oxide, commercially available), put into low speed mixer and stir, extruding pelletization in the twin screw under 240～260 ℃ (ZSK 25, German WP company).Roving glass fiber in the extrusion (with embodiment 1) is by material blend in glass charging opening and the screw rod on the twin screw.The pellet of extruding is dried 6hr in 90 ℃ of constant temperature ovens, under 250～270 ℃ condition, be injected into the standard batten then, carry out various Mechanics Performance Testings.Concrete prescription sees Table 1, and wherein each component concentration is all in parts by weight.Testing standard and results of property are as shown in table 1.
The modifying material of the PET that the above embodiment 1～11 obtains is when common extrusion moulding, its mould temperature is between 70～85 ℃, and under the same extrusion condition extrusion die temperature of the composition of comparative example 1～2 between 110～140 ℃, as seen it is about 20～50% that the mould temperature drop by PET extrusion moulding after the modification is low, and the processing characteristics of the PET of modification has obtained very big improvement.
Table 1
| PET | GF | The carboxyl butylbenzene | Acrylate | POE-g- GMA | Sb 2O 3 | Decabromodiphenyl oxide | CaSt 2 | Superfine talcum powder | Tensile strength | Elongation at break | Flexural strength | Modulus in flexure | The Izod notch shock | |
| Unit | - | - | - | - | - | - | - | - | - | MPa | ％ | MPa | GPa | J/m |
| Embodiment 1 | 100 | 15 | 4 | - | 3 | 6 | 13 | 0.7 | 0.7 | 95.6 | 3.5 | 112.3 | 4.57 | 82.9 |
| Embodiment 2 | 100 | 30 | 6 | - | 3 | 6 | 13 | 0.8 | 0.8 | 125.7 | 2.0 | 140.8 | 6.82 | 95.6 |
| Embodiment 3 | 100 | 55 | 10 | - | 4 | 8 | 16 | 1.0 | 1.0 | 138.6 | 2.0 | 156.7 | 10.2 | 102.3 |
| Comparative Examples 1 | 100 | 30 | - | - | 3 | 6 | 13 | 0.8 | 0.8 | 102.8 | 2.0 | 131.2 | 6.62 | 83.7 |
| Comparative Examples 2 | 100 | 55 | - | - | 4 | 8 | 16 | 1.0 | 1.0 | 113.9 | 2.0 | 148.9 | 9.56 | 90.4 |
| Embodiment 4 | 100 | 15 | - | 4 | 3 | 6 | 13 | 0.8 | 0.8 | 98.7 | 3.0 | 113.7 | 4.82 | 78.5 |
| Embodiment 5 | 100 | 30 | - | 6 | 3 | 6 | 13 | 0.8 | 0.8 | 126.4 | 2.0 | 143.8 | 7.21 | 91.6 |
| Embodiment 6 | 100 | 55 | - | 10 | 4 | 8 | 16 | 1 | 1 | 140.3 | 2.0 | 163.2 | 10.5 | 98.1 |
| Embodiment 7 | 100 | 30 | 2 | 5 | 3 | 6 | 13 | 0.8 | 0.8 | 127.3 | 2.0 | 143.2 | 6.72 | 102.1 |
| Embodiment 8 | 100 | 55 | 4 | 6 | 4 | 8 | 16 | 1 | 1 | 140.2 | 2.0 | 160.3 | 10.4 | 107.2 |
| Embodiment 9 | 100 | 30 | 5 | 2 | 3 | 6 | 13 | 0.8 | 0.8 | 128.6 | 2.0 | 141.0 | 6.58 | 108.9 |
| Embodiment 10 | 100 | 55 | 6 | 4 | 4 | 8 | 16 | 1 | 1 | 142.1 | 2.0 | 161.6 | 10.2 | 110.5 |
| Embodiment 11 | 100 | 30 | 4 | 2 | 25 | 8 | 15 | 1.0 | 1.0 | 124.8 | 4.0 | 141.7 | 6.24 | 110.0 |
More than testing standard tensile strength and the elongation at break in the table is ASTM D638; Flexural strength and modulus in flexure are ASTM D790; The Izod notched Izod impact strength is ASTM D256.
Claims (16)
1. polyethylene terephthalate composition includes the following component of blend:
A. pet resin;
B. the powdered rubber that has crosslinking structure;
The grafts of c. unvulcanized rubber and polar monomer and/or the grafts of thermoplastic elastomer and polar monomer;
Be 100 parts in the pet resin parts by weight wherein, the content of described powdered rubber is 1～20 part; Wherein said powdered rubber gel content with crosslinking structure is 60% weight or higher.
2. polyethylene terephthalate composition according to claim 1, the content of wherein said powdered rubber are 100 parts with the pet resin parts by weight and count 1～15 part.
3. polyethylene terephthalate composition according to claim 1, the content of wherein said grafts are 100 parts with the pet resin parts by weight and count 1～30 part.
4. polyethylene terephthalate composition according to claim 3, the content of wherein said grafts are 100 parts with the pet resin parts by weight and count 1～25 part.
5. polyethylene terephthalate composition according to claim 1, wherein said powdered rubber with crosslinking structure is equal phase structure.
6. polyethylene terephthalate composition according to claim 1, wherein said median size with powdered rubber of crosslinking structure are 0.02 μ m～0.3 μ m.
7. polyethylene terephthalate composition according to claim 5, wherein said median size with powdered rubber of crosslinking structure are 0.05 μ m～0.2 μ m.
8. polyethylene terephthalate composition according to claim 1, wherein said powdered rubber gel content with crosslinking structure is 80% weight or higher.
9. polyethylene terephthalate composition according to claim 1, wherein said powdered rubber with crosslinking structure is a fully vulcanized powder rubber.
10. polyethylene terephthalate composition according to claim 9, wherein said fully vulcanized powder rubber is selected from: the mixture of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber, form of finely divided powder, mehtod acrylic elastomer or form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer.
11. polyethylene terephthalate composition according to claim 10, wherein said fully vulcanized powder rubber is the mixture of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer, and wherein the weight ratio of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer is 20: 80～80: 20.
12. polyethylene terephthalate composition according to claim 11, wherein the weight ratio of form of finely divided powder, mehtod carboxylic styrene-butadiene rubber and form of finely divided powder, mehtod acrylic elastomer is 30: 70～70: 30.
13. polyethylene terephthalate composition according to claim 1, in the grafts of wherein said unvulcanized thermoplastic elastic body and polar monomer, thermoplastic elastic body comprises: carboxylic styrene-butadiene rubber, acrylic elastomer, ternary ethylene-propylene copolymer, styrene-butadiene-styrene block copolymer, styrene isoprene styrene block copolymer (SIS), hydrogenated styrene-butadiene-styrene block copolymers, hydrogenated styrene-isoprene-styrene block copolymer or ethylene copolymer thermoplastic elastomer; Described polar monomer comprises maleic anhydride or glycidyl methacrylate.
14. polyethylene terephthalate composition according to claim 13, the grafts of wherein said unvulcanized thermoplastic elastic body and polar monomer are ethylene copolymer grafted glycidyl methacrylate or hydrogenated styrene-butadiene-styrene block copolymers grafted maleic anhydride.
15. according to each described polyethylene terephthalate composition of claim 13～14, the percentage of grafting of the grafts of wherein said unvulcanized thermoplastic elastic body and polar monomer is 0.5～6.0% weight.
16., it is characterized in that and to include above-mentioned pet resin, to have the component melts blend of the powdered rubber of crosslinking structure and described grafts component and make described polyethylene terephthalate composition according to each described toughness reinforcing polyethylene terephthalate preparation of compositions method of claim 1～15.
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| TWI771087B (en) * | 2021-06-30 | 2022-07-11 | 南亞塑膠工業股份有限公司 | Impact-resistant polyester material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100348690C (en) * | 2004-10-27 | 2007-11-14 | 中国石油化工股份有限公司 | Luminous polyethylene terephthalate compostition and its preparation method |
| CN100338171C (en) * | 2004-10-27 | 2007-09-19 | 中国石油化工股份有限公司 | Long persistence luminous thermoplastic plastics composition and method of making the same |
| CN100425652C (en) * | 2005-12-13 | 2008-10-15 | 苏州市凯米克新材料有限公司 | High-performance reinforced fire-retardant polyster engineering plastic |
| CN101293992B (en) * | 2007-04-28 | 2011-10-12 | 中国石油化工股份有限公司 | Laser marked polyethylene terephthalate composition and preparation thereof |
| CN103320042B (en) * | 2013-07-15 | 2014-07-23 | 张家港康得新光电材料有限公司 | Preparation method for PET-substrate rubber pressure-sensitive adhesive tape and adhesive tape |
| CN105602206A (en) * | 2016-02-02 | 2016-05-25 | 青岛科技大学 | Modified PET (polyethylene terephthalate) composition and preparation method thereof |
| CN107603166A (en) * | 2017-09-22 | 2018-01-19 | 安徽裕泰环保科技有限公司 | A kind of waste PET reproducing method |
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| TWI771087B (en) * | 2021-06-30 | 2022-07-11 | 南亞塑膠工業股份有限公司 | Impact-resistant polyester material |
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