CN106147152B - A kind of easily cutting PET sheet and preparation method thereof - Google Patents
A kind of easily cutting PET sheet and preparation method thereof Download PDFInfo
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- CN106147152B CN106147152B CN201610625306.5A CN201610625306A CN106147152B CN 106147152 B CN106147152 B CN 106147152B CN 201610625306 A CN201610625306 A CN 201610625306A CN 106147152 B CN106147152 B CN 106147152B
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention discloses a kind of easily cutting PET sheet and preparation method thereof, the sheet material is made up of the raw material of following mass percent：PET pellets 78~90%, bulking agent 1.5~3%, PETG pellets 8~18.5%, catalyst 0.3~0.8%, the bulking agent are glycidyl methacrylate graft polystyrene, and the catalyst is antimony glycol.Present invention also offers the preparation method of the PET sheet, comprise the following steps：(1) bulking agent and catalyst are mixed and made into hybrid particles；(2) PET pellets and the hybrid particles of step (1) are mixed, extrusion plasticizing after crystallized, drying；(3) by PETG pellets it is crystallized, dry after extrusion plasticizing；(4) sheet material is made through die head in the material after extrusion plasticizing in step (2) and (3), then easily cutting PET sheet is produced through cooling down glazing, traction, cutting.PET sheet prepared by the present invention, while its performance disclosure satisfy that normal use, also more easily cut, packed suitable for a plastics sucking moulding.
Description
Technical field
The invention belongs to material processing field, and in particular to a kind of easily cutting PET sheet and preparation method thereof.
Background technology
Polyethylene terephthalate (PET) be realized earliest by du pont company nineteen fifty-three it is industrialized linear poly-
Compound, the high symmetry of its molecular chain structure and the rigidity to phenyl key, make it have good machining property, chemically-resistant
The performances such as corrosivity, electrical insulating property, security and antimicrobial aggressivity, and because relative low price and easy recovery etc. are excellent
Point, it is widely used in the every field such as film, fiber, plastic products.With the development of Packing Machine technology, traditional Packing Machine
It is existing gradually to be cut more using scissor to the sign of plastics sucking moulding packing machine transition of streamline, a plastics sucking moulding packing machine
Cut, because existing PET sheet toughness is stronger, using scissor cutting Cutter wear especially severe, cost is very big, thus not
Suitable for a plastics sucking moulding.
Patent document such as Publication No. CN105524433A discloses a kind of PET preparation method, and this method is in PET bases
Appropriate branched polystyrene BPS is added in body, by melt blending, PET/BPS blends are made, wherein BPS dosage is PET
The 0.5~2.0% of weight.The branched polystyrene and PET that molecular weight is high, degree of branching is high are passed through melt blending system by the invention
Standby PET/BPS blends, compared with pure PET, impact strength improves 10~20%, and elongation at break reaches 50~400%, system
Preparation Method is simple, improves PET commercial application value, but PET/BPS blend toughness prepared by this method is very big, to knife
Have serious wear, be not suitable for a plastics sucking moulding packaging.
The content of the invention
The present invention is high primarily directed to existing PET sheet toughness, is unsuitable for a problem of plastics sucking moulding is packed, there is provided one
Kind easily cutting PET sheet, present invention also offers the preparation method of the PET sheet.
Easily cutting PET sheet provided by the invention, is made up of the raw material of following mass percent：PET pellets 78~90%,
Bulking agent 1.5~3%, PETG pellets 8~18.5%, catalyst 0.3~0.8%.
The present invention adds appropriate bulking agent and catalyst to promote PET and PETG to be total in PET and PETG blends
Mixed, with the increase of bulking agent dosage, the mechanical property of PET and PETG blends can then decline.Because excessive bulking agent except
It is present at PET and PETG two-phase interfaces, also has part to form " micella ", PET and PETG are present in the form of third phase
Blend in, PET thermal degradations can be caused under high temperature and shear action, so as to cause molecule chain break, reduce strand
Entanglement, intermolecular structure is become check configuration from network structure, reach the effect easily cut.In addition using PETG with
PET is compound, can improve molecule chain flexibility, while utilizes PETG low-temperature processabilities, can reduce the processing temperature in production process.
Preferably, the bulking agent is glycidyl methacrylate graft polystyrene.
Preferably, the catalyst is antimony glycol.
Preferably, the PET sheet is made up of the raw material of following mass percent：PET pellets 85%, bulking agent
2.5%, PETG pellet 12%, catalyst 0.5%.The PET sheet being prepared using the raw material of said ratio, ensureing its property
While normal use can be disclosure satisfy that, it is easier to cut, so as to be packed suitable for a plastics sucking moulding.
The preparation method of PET sheet as described above, comprises the following steps：
(1) by bulking agent and catalyst it is well mixed after, grind, be granulated bulking agent and catalyst hybrid particles；
(2) hybrid particles in PET pellets and step (1) are well mixed, after crystallized, dry, pass through extruder one
Extrusion plasticizing, the temperature of the crystallization is 145~155 DEG C, and crystallization time is 3~5h；
(3) by PETG pellets it is crystallized, dry after, by the extrusion plasticizing of extruder two, the temperature of the crystallization for 130~
140 DEG C, crystallization time is 3~5h；
(4) material after the material and the extrusion plasticizing of extruder two after the extrusion plasticizing of extruder one enters die head through runner,
It is composite layered and after sheet material is made in die head, after cooling glazing, traction, cutting, produce easily cutting PET sheet.
Preferably, extruder one described in step (2) divides is respectively for six areas, each zone temperatures：One area 240~
250 DEG C, 250~260 DEG C of 2nd area, 250~260 DEG C of 3rd area, 255~265 DEG C of 4th area, 255~265 DEG C of 5th area, six areas 255~
265℃.Each zone temperatures are most preferably：One 245 DEG C of area, 255 DEG C of 2nd area, 255 DEG C of 3rd area, 260 DEG C of 4th area, 260 DEG C of 5th area, six
260 DEG C of area.
Preferably, extruder two described in step (3) divides is respectively for six areas, each zone temperatures：One area 230~
240 DEG C, 230~240 DEG C of 2nd area, 240~250 DEG C of 3rd area, 240~250 DEG C of 4th area, 240~250 DEG C of 5th area, six areas 235~
245℃.Each area's temperature is most preferably：One 235 DEG C of area, 235 DEG C of 2nd area, 245 DEG C of 3rd area, 245 DEG C of 4th area, 245 DEG C of 5th area, 6th area
240℃。
Preferably, the runner that extruder one is connected with die head in step (4) is divided into four areas, each zone temperatures are
255~265 DEG C, most preferably 260 DEG C.
Preferably, the runner that extruder two is connected with die head in step (4) is divided into four areas, each zone temperatures are
235~245 DEG C, most preferably 240 DEG C
Preferably, die head described in step (4) is divided into 5 areas, each zone temperatures are 230~240 DEG C, are most preferably
235℃。
The beneficial effects of the invention are as follows：The present invention adds appropriate bulking agent in PET and PETG blends and closes catalyst,
To reduce the mechanical property of blend, while ensureing that blending physical performance disclosure satisfy that normal use, reach and be more easy to cutting
Purpose, so that obtained blend is applied to a plastics sucking moulding and packed.
Embodiment
Technical scheme is described further with reference to specific embodiment.
If not raw material of the present invention and equipment are refered in particular to, it is commercially available or commonly used in the art, implements
Method in example, is the conventional method of this area unless otherwise instructed.
Embodiment 1
In the present embodiment, easily cut PET sheet and be made up of the raw material of following mass percent：PET pellets 78%, bulking agent
3%, PETG pellet 18.5%, wherein catalyst 0.5%, bulking agent are glycidyl methacrylate graft polystyrene,
Catalyst is antimony glycol.
Preparation method comprises the following steps：
(1) after being well mixed bulking agent and catalyst in low-speed mixer, ground in grinder, then through comminutor
The hybrid particles of bulking agent and catalyst are made.
(2) after the hybrid particles in PET pellets and step (1) are well mixed, it is placed in crystallizing tower and crystallizes, the temperature of crystallization
Spend for 150 DEG C, crystallization time 4h；After the completion of crystallization, the material after crystallization is placed in drying and dried, drying temperature is
165 DEG C, drying time 6h；Dried material is passed through into the extrusion plasticizing of extruder one；Wherein extruder one is provided with six areas,
Each zone temperatures are respectively：One 240 DEG C of area, 250 DEG C of 2nd area, 250 DEG C of 3rd area, 255 DEG C of 4th area, 255 DEG C of 5th area, 255 DEG C of 6th area.
(3) PETG pellets are placed in crystallizing tower and crystallized, the temperature of crystallization is 135 DEG C, crystallization time 4h, and crystallization is completed
Afterwards, the PETG pellets after crystallization are placed in drying and dried, drying temperature is 150 DEG C, drying time 6h；Will be dried
PETG pellets pass through the extrusion plasticizing of extruder two；Wherein extruder two is provided with six areas, and each zone temperatures are respectively：One area 230
DEG C, 230 DEG C of 2nd area, 240 DEG C of 3rd area, 240 DEG C of 4th area, 240 DEG C of 5th area, 235 DEG C of 6th area.
(4) extruder one and the output end of extruder two are connected by runner with die head respectively, extruder one and extruder two
Material after extrusion plasticizing enters die head through runner, and piece composite layered, and that predetermined thickness is made through die head is carried out in die head
Material, then cooling glazing is carried out through three-roller calendar, cool down the sheet material after glazing and obtain easily cutting PET sheet through drawing, cutting.
Wherein, the runner that extruder one is connected with die head is divided into four areas, and each zone temperatures are 255 DEG C；Extruder two
The runner being connected with die head is also classified into four areas, and the temperature of each section is 235 DEG C；Die head is divided into 5 areas, and each zone temperatures are equal
For 230 DEG C.
Embodiment 2
In the present embodiment, easily cut PET sheet and be made up of the raw material of following mass percent：PET pellets 90%, bulking agent
1.5%, PETG pellet 8%, wherein catalyst 0.5%, bulking agent are glycidyl methacrylate graft polystyrene, are urged
Agent is antimony glycol.
Preparation method comprises the following steps：
(1) after being well mixed bulking agent and catalyst in low-speed mixer, ground in grinder, then through comminutor
The hybrid particles of bulking agent and catalyst are made.
(2) after the hybrid particles in PET pellets and step (1) are well mixed, it is placed in crystallizing tower and crystallizes, the temperature of crystallization
Spend for 145 DEG C, crystallization time 5h；After the completion of crystallization, the material after crystallization is placed in drying and dried, drying temperature is
160 DEG C, drying time 6h；Dried material is passed through into the extrusion plasticizing of extruder one；Wherein extruder one is provided with six areas,
Each zone temperatures are respectively：One 245 DEG C of area, 255 DEG C of 2nd area, 255 DEG C of 3rd area, 260 DEG C of 4th area, 260 DEG C of 5th area, 260 DEG C of 6th area.
(3) PETG pellets are placed in crystallizing tower and crystallized, the temperature of crystallization is 130 DEG C, crystallization time 3h, and crystallization is completed
Afterwards, the PETG pellets after crystallization are placed in drying and dried, drying temperature is 160 DEG C, drying time 6h；Will be dried
PETG pellets pass through the extrusion plasticizing of extruder two；Wherein extruder two is provided with six areas, and each zone temperatures are respectively：One area 235
DEG C, 235 DEG C of 2nd area, 245 DEG C of 3rd area, 245 DEG C of 4th area, 245 DEG C of 5th area, 240 DEG C of 6th area.
(4) extruder one and the output end of extruder two are connected by runner with die head respectively, extruder one and extruder two
Material after extrusion plasticizing enters die head through runner, and piece composite layered, and that predetermined thickness is made through die head is carried out in die head
Material, then cooling glazing is carried out through three-roller calendar, cool down the sheet material after glazing and obtain easily cutting PET sheet through drawing, cutting.
Wherein, the runner that extruder one is connected with die head is divided into four areas, and each zone temperatures are 260 DEG C；Extruder two
The runner being connected with die head is also classified into four areas, and the temperature of each section is 240 DEG C；Die head is divided into 5 areas, and each zone temperatures are equal
For 235 DEG C.
Embodiment 3
In the present embodiment, easily cut PET sheet and be made up of the raw material of following mass percent：PET pellets 85%, bulking agent
2.5%, PETG pellet 12%, wherein catalyst 0.5%, bulking agent are glycidyl methacrylate graft polystyrene,
Catalyst is antimony glycol.
Preparation method comprises the following steps：
(1) after being well mixed bulking agent and catalyst in low-speed mixer, ground in grinder, then through comminutor
The hybrid particles of bulking agent and catalyst are made.
(2) after the hybrid particles in PET pellets and step (1) are well mixed, it is placed in crystallizing tower and crystallizes, the temperature of crystallization
Spend for 155 DEG C, crystallization time 3h；After the completion of crystallization, the material after crystallization is placed in drying and dried, drying temperature is
160 DEG C, drying time 6h；Dried material is passed through into the extrusion plasticizing of extruder one；Wherein extruder one is provided with six areas,
Each zone temperatures are respectively：One 245 DEG C of area, 255 DEG C of 2nd area, 255 DEG C of 3rd area, 260 DEG C of 4th area, 260 DEG C of 5th area, 260 DEG C of 6th area.
(3) PETG pellets are placed in crystallizing tower and crystallized, the temperature of crystallization is 140 DEG C, crystallization time 5h, and crystallization is completed
Afterwards, the PETG pellets after crystallization are placed in drying and dried, drying temperature is 160 DEG C, drying time 6h；Will be dried
PETG pellets pass through the extrusion plasticizing of extruder two；Wherein extruder two is provided with six areas, and each zone temperatures are respectively：One area 235
DEG C, 235 DEG C of 2nd area, 245 DEG C of 3rd area, 245 DEG C of 4th area, 245 DEG C of 5th area, 240 DEG C of 6th area.
(4) extruder one and the output end of extruder two are connected by runner with die head respectively, extruder one and extruder two
Material after extrusion plasticizing enters die head through runner, and piece composite layered, and that predetermined thickness is made through die head is carried out in die head
Material, then cooling glazing is carried out through three-roller calendar, cool down the sheet material after glazing and obtain easily cutting PET sheet through drawing, cutting.
Wherein, the runner that extruder one is connected with die head is divided into four areas, and each zone temperatures are 260 DEG C；Extruder two
The runner being connected with die head is also classified into four areas, and the temperature of each section is 240 DEG C；Die head is divided into 5 areas, and each zone temperatures are equal
For 235 DEG C.
Embodiment 4
In the present embodiment, easily cut PET sheet and be made up of the raw material of following mass percent：PET pellets 82%, bulking agent
2.8%, PETG pellet 14.4%, wherein catalyst 0.8%, bulking agent are glycidyl methacrylate graft polyphenyl second
Alkene, catalyst are antimony glycol.
Preparation method comprises the following steps：
(1) after being well mixed bulking agent and catalyst in low-speed mixer, ground in grinder, then through comminutor
The hybrid particles of bulking agent and catalyst are made.
(2) after the hybrid particles in PET pellets and step (1) are well mixed, it is placed in crystallizing tower and crystallizes, the temperature of crystallization
Spend for 150 DEG C, crystallization time 3h；After the completion of crystallization, the material after crystallization is placed in drying and dried, drying temperature is
160 DEG C, drying time 6h；Dried material is passed through into the extrusion plasticizing of extruder one；Wherein extruder one is provided with six areas,
Each zone temperatures are respectively：One 250 DEG C of area, 260 DEG C of 2nd area, 260 DEG C of 3rd area, 265 DEG C of 4th area, 265 DEG C of 5th area, 265 DEG C of 6th area.
(3) PETG pellets are placed in crystallizing tower and crystallized, the temperature of crystallization is 140 DEG C, crystallization time 4h, and crystallization is completed
Afterwards, the PETG pellets after crystallization are placed in drying and dried, drying temperature is 160 DEG C, drying time 6h；Will be dried
PETG pellets pass through the extrusion plasticizing of extruder two；Wherein extruder two is provided with six areas, and each zone temperatures are respectively：One area 240
DEG C, 240 DEG C of 2nd area, 250 DEG C of 3rd area, 250 DEG C of 4th area, 250 DEG C of 5th area, 245 DEG C of 6th area.
(4) extruder one and the output end of extruder two are connected by runner with die head respectively, extruder one and extruder two
Material after extrusion plasticizing enters die head through runner, and piece composite layered, and that predetermined thickness is made through die head is carried out in die head
Material, then cooling glazing is carried out through three-roller calendar, cool down the sheet material after glazing and obtain easily cutting PET sheet through drawing, cutting.
Wherein, the runner that extruder one is connected with die head is divided into four areas, and each zone temperatures are 265 DEG C；Extruder two
The runner being connected with die head is also classified into four areas, and the temperature of each section is 245 DEG C；Die head is divided into 5 areas, and each zone temperatures are equal
For 240 DEG C.
Table 1 lists the performance test results of PET sheet and former PET sheet made from embodiment 1~4, as shown in Table 1,
PET sheet prepared by embodiment 1~4 is compared with former PET sheet, and tensile strength and elongation at break are in a slight decrease, light transmittance, mist
Degree and proportion change are little, but by the access times of cutting implement, PET sheet prepared by embodiment 1~4 is than former
PET sheet is easier to shear.
The comparison of PET sheet and former PET sheet performance prepared by the present invention of table 1
Tensile strength in table 1, elongation at break, light transmittance, the measure of mist degree and proportion, respectively according to standard ASTM
D638, ASTM D638, ASTM D1746, ASTM D1003, ASTM D792 are tested, and cutting implement is a plastics sucking moulding
The cutter commonly used in packaging, access times are according to actual use number meter.
Claims (10)
1. a kind of easily cutting PET sheet, it is characterised in that be made up of the raw material of following mass percent：PET pellets 78~
90%, bulking agent 1.5~3%, PETG pellets 8~18.5%, catalyst 0.3~0.8%.
2. easily cutting PET sheet according to claim 1, it is characterised in that the bulking agent is Glycidyl methacrylate
Glyceride grafted polystyrene.
3. easily cutting PET sheet according to claim 1 or 2, it is characterised in that the catalyst is antimony glycol.
4. easily cutting PET sheet according to claim 3, it is characterised in that the PET sheet is by following mass percent
Raw material composition：PET pellets 85%, bulking agent 2.5%, PETG pellets 12%, catalyst 0.5%.
A kind of 5. preparation method of easy cutting PET sheet as described in any one of Claims 1 to 4, it is characterised in that including with
Lower step：
(1) by bulking agent and catalyst it is well mixed after, grind, be granulated bulking agent and catalyst hybrid particles；
(2) hybrid particles in PET pellets and step (1) are well mixed, after crystallized, dry, extruded by extruder one
Plasticizing, the temperature of the crystallization is 145~155 DEG C, and crystallization time is 3~5h；
(3) by PETG pellets it is crystallized, dry after, by the extrusion plasticizing of extruder two, the temperature of the crystallization is 130~140
DEG C, crystallization time is 3~5h；
(4) material after the material and the extrusion plasticizing of extruder two after the extrusion plasticizing of extruder one enters die head through runner, in mould
It is composite layered and after sheet material is made in die head in head, then produce easily cutting PET sheet through cooling down glazing, traction, cutting.
6. the preparation method of easily cutting PET sheet according to claim 5, it is characterised in that step is extruded described in (2)
Machine one divides is respectively for six areas, each zone temperatures：One 240~250 DEG C of area, 250~260 DEG C of 2nd area, 250~260 DEG C of 3rd area,
Four 255~265 DEG C of areas, 255~265 DEG C of 5th area, 255~265 DEG C of 6th area.
7. the preparation method of easily cutting PET sheet according to claim 5, it is characterised in that step is extruded described in (3)
Machine two divides is respectively for six areas, each zone temperatures：One 230~240 DEG C of area, 230~240 DEG C of 2nd area, 240~250 DEG C of 3rd area,
Four 240~250 DEG C of areas, 240~250 DEG C of 5th area, 235~245 DEG C of 6th area.
8. the preparation method of easily cutting PET sheet according to claim 5, it is characterised in that extruder one in step (4)
The runner being connected with die head is divided into four areas, and each zone temperatures are 255~265 DEG C.
9. the preparation method of easily cutting PET sheet according to claim 5, it is characterised in that extruder two in step (4)
The runner being connected with die head is divided into four areas, and each zone temperatures are 235~245 DEG C.
10. the preparation method of easily cutting PET sheet according to claim 5, it is characterised in that mould described in step (4)
Head is divided into 5 areas, and each zone temperatures are 230~240 DEG C.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108454130A (en) * | 2018-02-05 | 2018-08-28 | 扬州富平新材料有限公司 | A kind of forming method of easy cutting RPET sheet materials |
| CN110303691A (en) * | 2018-03-27 | 2019-10-08 | 扬州市帝邦塑胶科技有限公司 | A kind of fast processing method of RPET sheet material |
| CN110919889A (en) * | 2019-12-09 | 2020-03-27 | 江苏巨麦新材料科技有限公司 | Easily-cut PET (polyethylene terephthalate) sheet and preparation method thereof |
| TWI805030B (en) * | 2021-10-15 | 2023-06-11 | 南亞塑膠工業股份有限公司 | Polyester composition and manufacturing method thereof |
| CN115304891A (en) * | 2022-03-16 | 2022-11-08 | 苏州方位无菌包装有限公司 | PET-based plastic uptake box and preparation process thereof |
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| CN103122129A (en) * | 2003-12-22 | 2013-05-29 | 伊士曼化工公司 | Polymer blends with improved notched impact strength |
| CN103421281A (en) * | 2013-04-26 | 2013-12-04 | 彭朕财 | Toughening and warming agent for PET/PETG |
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| JPS60245629A (en) * | 1984-05-21 | 1985-12-05 | Nippon Ester Co Ltd | Production of modified polyester |
| US6931206B2 (en) * | 2003-09-22 | 2005-08-16 | Eastman Kodak Company | One-time-use camera containing improved film element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6232054B1 (en) * | 1999-09-19 | 2001-05-15 | Fuji Photo Film Co., Ltd. | Polyester support and silver halide photographic light-sensitive material |
| CN103122129A (en) * | 2003-12-22 | 2013-05-29 | 伊士曼化工公司 | Polymer blends with improved notched impact strength |
| CN102199338A (en) * | 2011-04-08 | 2011-09-28 | 扬州三星塑胶有限公司 | APET/PETG composite material and its production technology |
| CN103421281A (en) * | 2013-04-26 | 2013-12-04 | 彭朕财 | Toughening and warming agent for PET/PETG |
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