TW200304927A - Blended thermoformable RF sealable plastic - Google Patents
Blended thermoformable RF sealable plastic Download PDFInfo
- Publication number
- TW200304927A TW200304927A TW91135680A TW91135680A TW200304927A TW 200304927 A TW200304927 A TW 200304927A TW 91135680 A TW91135680 A TW 91135680A TW 91135680 A TW91135680 A TW 91135680A TW 200304927 A TW200304927 A TW 200304927A
- Authority
- TW
- Taiwan
- Prior art keywords
- weight
- blend
- patent application
- petg
- packaging material
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/12—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
- C08J5/121—Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives by heating
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
- B29K2105/0032—Pigments, colouring agents or opacifiyng agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Wrappers (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Packages (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Description
200304927 ⑴ 玖、發明說明 (發明說明應敘明:發明所屬之技術領域、先前技術、内容、實施方式及圖式簡單說明) 技術領域 本發明一般係關於包裝之領域,更明確言之,係關於適 合於製造可射頻密封(“RF_可密封”)之包裝材料之塑膠材 料。 先前技術 包裝工業中,傳統上,一種“蛤殼半球形透明之熱成形製 品包裝”係述及自雙層的熱可成形之塑膠所形成之塑膠包 裝。將欲包裝之物件保持在各層間。一般,將可能是單元 之各層沿著一個共同邊緣鉸連並予以密封。眾所周知之密 封技術,舉例而言,包括應用熱、使用化學黏合劑及射頻 密封(“RF-密封”)。蛤殼半球形透明之熱成形製品包裝的一 個實例揭示於美國專利第5,788, 105號中,該案之全文以引用 的方式併入本文中。其他包裝可能需要除去具有蛤殼部份 者以外之密封,例如兩片式包裝。 許多包裝應用中,RF-密封是密封包裝之較佳技術。可rf 密封之包裝的各層通常係由聚氯乙烯(PVC)所組成,至少部 份因為此材料係容易RF-密封。然而,近年來,工業界試圖 不再使用PVC包裝材料,因為較其他可能使用之材料,察覺 PVC對於環境較少友善。舉例而言,由於歐洲傾向焚化廢 物,歐洲市場多年來尋求PVC之替代材料。一種此類替代材 料是聚對苯二甲酸乙二酯(PET),一種普遍型的聚酷。 然而,欲密封自PET塑膠所製造之半球形透明之熱成形製 品’通常必須使用除去RF-密封以外之方法因為pg丁較容易 RF -密封之材料具有小得多之極性。由於有效密封該材 (2) (2)200304927 發明說明續頁 料之無能為力’如所指明’難以提供熱可成形之PET塑膠材 料用於包裝。 · Q此A頁技势中須要提供-種改良式可RF-密封之包裝 材料’其係由經察覺係較pvc對環境友善得多之化合物所組 成。 d員技鎏中更進一步須要提供改良之熱可成形之材 料。 該項:藝中另外須要提供製造用於包裝之可灯·密封材 枓之万法’其提供相似於PET者之可看到之環境上利益,且 提供與PVC可相比擬之RF-密封能力。 發明内容 储要和其他者經由本發明’可RF•密封之包裝材料兼 5々匕’其提供PET的環境上和其他利益,具有財vc可 相比擬之密封利益。本發明另外提供用於形成一種換合、 經熱成形可RF-密封之包裝材料的方法。 ’ 更明確K ’本發明的一個觀點係提供供使用於包裝之 謂-密封’可熱成形之塑膠材料,該材料包括聚對苯二甲 ,乙二s旨(PET)和乙二醇化之聚醋(pETG)。視需要提供顏色 濃縮物。 ,本=明的較佳具體實施例包括—種可RF•密封,熱可成形 (土 ~材料其中包括大概5%至5G%間的重量濃度之PETG及 大概鄕至95%重量濃度之pET連同少量的顏色濃縮物。 本發明的另外較佳具體實施例包括—種可rf_密封之塑 膠包裝材料其中包括大概91重量% ρΕτ和大概7重量% (3) (3) zuuju^yz/ 發明說明續頁 PETG。 本發明的—.〇 . 個另外較佳具體余 之塑膠包裝材料立 把@她例包括一種可RF·密封 十包括大概9 1活 b PETG及大概2舌旦 重! °/〇 PET、大概7重量% 里里/〇顏色濃縮物。 在根據本發明,用以 方法中,將定量的μ p 贫封,可熱成形之包裝的 (PETG),聯合 —ΜΡΕΤ)和乙二醇化聚酉旨 合物。將該… …顏色濃縮物而形成-種摻 豕摻合物擠壓而形成至,丨、 並將該至少—種薄 / —種可熱成形之薄片、 辱片.典成形而形士 . 产 段或部份。將至少^A 7成包裝的至少第一和第二 丁土 y邵份的第一々 密封包裝。視需要,在RF二和弟二段或部份RF-密封而 ^ 1!· ^ ^ * 在}第—段和第二段或部份前, 7知物件放置在包㈣以便保存。 在較佳之方法中,二、
^ ^ 孩經摻合之材料包括大概91重量% PET 及大概7重量% PHTr . , 。本發明方法可經由添加大概2重量0/〇 顏色濃縮物至摻合物 "物中予以更進一步增強。 實施方式 米本1明&供一種經摻合,可熱成形之可RF-密封的包裝材 此彳于到某些材料例如PVC的密封利益而無一般與PVC相 :恥《;衣境上缺^點。本發明另外提供用以形成具有經摻 一…、成形之可RF-密封塑膠之包裝材料的方法。 更明確了之,士 a 本發明特徵是用於包裝之petg-pet摻合材 料,其提供RF-密妞s π 山对土聚酯包裝材料之利盈。本發明亦提供 能擠壓供使用以 元成可熱成形之包裝材料之可熱成形摻合 材料。 200304927 (4) 月續頁 --------- 較佳,該經摻合,可熱成形之塑膠材料是具有大概93% PET :大概7% PETG的重量比之摻合材料。視需要,可添加 少量的顏色丨辰縮物至该摻合物而將塑膠材料著色。視需 要,可使用此著色來給予該材料,pvc之外觀,(為了審美 目的,其可能需要)。在加工處理期間,為了將塑膠著色之 目的’顏色;辰縮物通常是經配合入基本塑膠樹脂中之乾著 色顏料。 就大體而論,本發明塑膠材料之摻合物中所使用之pETG 數量是被認為足能容許聯合。材料獲得適合密封之極性 之至少該數量。最佳,本發明包裝材料之比率是大概91重 量%的?£丁: 7重量%的1^丁0: 2重量%的顏色濃縮物。如本文 中所使用’對於摻合物之每種組份而言,“大概,,意指± (正 或負)3.5% (重量百分數)。本發明發明人發現:包括大概7 重里% PETG在該摻合物中可提供摻合物的擠出能力之利 益,同時將成本減至最小且容許有效RF-密封經熱成形之包 裝材料。不充分數量的PETG會將導致不充足之RF-密封(密 封強度)。然而,過量的PETG使成本非常高及/或導致加工 碎屑/切毛邊之再處理問題。因此,較佳使用大概7重量〇/〇 PETG之數量。然而,應了解:可使用舉例而言,大概5至% 重量%範圍内之PETG的其他數量而獲得相似RF_密封效 果。唯,高於約10重量% PETG ,來自再處理本發明摻合材 料之能力的優點會減小。 在形成具有根據本發明,經摻合、可熱成形之塑膠之包 裝材料的程序中,將PET、PETG和(视需要)顏色濃縮物的摻 200304927 (5) _____ 發明說明續頁 合物根據上列之重量百分數範圍聯合及使用—& 壓程序,將一或數個薄片自該摻合物擠製而—般之聚酯擠 薄片熱成形而產生包裝材料。可將該包裝材。,後將(各) 所需要之形狀,例如蛤殼。附以較小之調^形成為—種 可將由本發明經摻合之可熱成形可密封之^如有的話)’ 熱成形塑膠薄片在RF-密封程序中予以奸·密封”斤構成之可 可使用該RF-密封程岸於例如pvc材料)。本,起(-般 質可導致增加RF功率及/或密對壓 / ^物的性 相比擬之密封。 力而化成相對於PVC,可 在此方法的較佳觀點上’自經熱成形之薄片㈣ 裝材料包括,裝的至少第一段和第二段或部份。若需要-可形成至少第-和第二段或部份以便鉸連在— :著第’和第二段或部份的一或數個接鄰邊緣或二: 言,在別處丁以RF-密封來保持經配置在包裝内之物件。玄 封第一和第二段或部份的各種方法係屬可能例如(… 於)超音波密封、RF-密封和熱密封⑷口輕射熱密封) RF_密封較隹。可將物件配置在形成包裝的第—和第二 部份期間所形成之-或數個容器内,例如半球形透^^ 成形製品。或者’可將半球形透明之熱成形製品分開形: 為片狀。應瞭解:經由本發明的新穎方法所製成之包裝可 包括多於雨段或部份。或者,該包裝可自具有環繞二 兩個部^封至其本身之單’整片所形成。使用本發明 的方法所製成{包裝可含有經摻合、熱可成形、灯可 之包裝材料連同其他材料的组合’如係由熟諳此获者:瞭 -10- 200304927 ⑹ 發明說明續頁 解。 因此,本發明的經摻合之,可熱成形、可RF-密封之塑膠 及方法提供通常與各種材料例如PVC相關聯之密封優點,同 時保持通常與各種材料例如PET相關聯之環境上利益。根據 本發明的較佳具體實施例和方法之包裝材料能經由所熟知 方法予以擠壓和熱成形且附以較小調整,可使用關於PVC RF-密封所熟知之方法予以RF-密封。 雖然已顯示和敘述本發明經摻合之,可熱成形可RF-密封 之塑膠的特別具體實施例,但是熟諳此藝者應了解:只要 在其較廣泛觀點上可脫離本發明(如下列申請專利範圍中 所特舉出)可對於本發明作成改變和修正。
Claims (1)
- 200304927 拾、申請專利範圍 1. 一種包裝材料,包括: 一種摻合之材料,包括約5重量%至50重量%間之乙二 醇化聚酯(PETG)及約50至95重量%間之聚對苯二甲酸乙 二 S旨(PET)。 2. 如申請專利範圍第1項之包裝材/料,其中該摻合之材料另 外包括一顏色濃縮物。 3. 如申請專利範圍第1項之包裝材料,其中該摻合之材料包 括大概91重量%的PET及大概7重量%的PETG。 4. 如申請專利範圍第3項之包裝材料,其中該摻合之材料另 外包括約2重量%的顏色濃縮物。 5. 如申請專利範圍第1項之包裝材料,其中該包裝材料是可 射顏密封塑料。 6. —種如申請專利範圍第1項之包裝材料所形成之包裝物。 7. —種形成包裝材料之方法,該方法包括下列各步驟: 將定量的聚對苯二甲酸乙二酯(PET)、乙二醇化之聚酯 (PETG)聯合而形成一種摻合物; 擠壓該摻合物而形成至少一種可熱成形之薄片;及 將該至少一種薄片熱成形而形成包裝材料。 8. 如申請專利範圍第7項之方法,其中熱成形之步驟包括將 至少一薄片熱成形而形成至少第一和第二段或部份之步 驟。 9. 如申請專利範圍第8項之方法,另外包括下列步驟: 使用射頻密封法將至少部份的第一和第二段或部份密 去于。 200304927 申請專利範圍續頁 10. 如申請專利範圍第7項之方法,其中PETG之數量包括該摻 合物的約5重量%至50重量%間。 11. 如申請專利範圍第7項之方法,其中PET之數量包括該摻 合物的約50重量%至95重量%間。 12. 如申請專利範圍第7項之方法,其中PETG之數量包括該摻 合物的約7重量%。 13. 如申請專利範圍第7項之方法,另外包括下列步驟: 添加約2重量%的顏色濃縮物至摻合物中。 14. 一種形成包裝之方法,該方法包括下列各步驟: 將定量的聚對苯二甲酸乙二酯(PET),乙二醇化之聚酯 (PETG)聯合而形成一種摻合物; 擠壓該摻合物而形成至少一種可熱成形之薄片; 將該至少一薄片熱成形而形成至少第一和第二段或部 份;及 使用射頻密封法將第一和第二段或部份密封。 15. 如申請專利範圍第14項之方法,其中PET之數量包括該摻 合物的約50重量%至95重量%間及其中,PETG之數量包括 該摻合物的約5重量%至50重量%間。 16. 如申請專利範圍第15項之方法,其中聯合的步驟另外包 括下列步驟: 添加約2重量%的顏色濃縮物至摻合物中。 17. 如申請專利範圍第14項之方法,另外包括下列步驟: 200304927 申請專利範圍續頁 18.如申請專利範圍第14項之方法,其中密封的步驟包括沿 著第一和第二段或部份的至少一個邊緣進行射頻密封之 步驟。 200304927 陸、(一)、本案指定代表圖為:第_圖 (二)、本代表圖之元件代表符號簡單說明:· 柒、本案若有化學式時,請揭示最能顯示發明特徵的化學式:
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33903401P | 2001-12-10 | 2001-12-10 | |
US10/230,607 US6855778B2 (en) | 2001-12-10 | 2002-08-29 | Blended thermoformable RF sealable plastic |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200304927A true TW200304927A (en) | 2003-10-16 |
Family
ID=26924385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW91135680A TW200304927A (en) | 2001-12-10 | 2002-12-10 | Blended thermoformable RF sealable plastic |
Country Status (8)
Country | Link |
---|---|
US (2) | US6855778B2 (zh) |
EP (1) | EP1461252A4 (zh) |
AU (1) | AU2002357797A1 (zh) |
CA (1) | CA2469852A1 (zh) |
MX (1) | MXPA04005631A (zh) |
PL (1) | PL370419A1 (zh) |
TW (1) | TW200304927A (zh) |
WO (1) | WO2003050004A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8079470B2 (en) * | 2004-05-18 | 2011-12-20 | Anthony Trajkovich | Heat sealable laminating film |
US8617673B1 (en) * | 2007-11-12 | 2013-12-31 | Placon Corporation | Thermoformable heat-sealable PET sheet material |
JP5415698B2 (ja) | 2008-01-07 | 2014-02-12 | 日東電工株式会社 | 制振補強シート、および薄板の制振補強方法 |
TW201002781A (en) * | 2008-07-08 | 2010-01-16 | Ind Tech Res Inst | Materials having shape memory properties and method for fabricating the same |
US20100280152A1 (en) * | 2009-04-29 | 2010-11-04 | Spartech Corporation | Thermoformable and RF Sealable Plastic Packaging Material |
EP2491067B1 (en) | 2009-10-19 | 2015-09-09 | Eastman Chemical Company | Radio-frequency sealable polymer and articles thereof |
US9074092B2 (en) | 2010-12-20 | 2015-07-07 | Eastman Chemical Company | Miscible polyester blends utilizing recycled polyesters |
TWI495680B (zh) * | 2013-11-07 | 2015-08-11 | Ind Tech Res Inst | 聚酯組成物、電子裝置、與薄膜的形成方法 |
WO2022162558A1 (en) | 2021-01-28 | 2022-08-04 | Nicoventures Trading Limited | Method for sealing pouches |
TWI805030B (zh) * | 2021-10-15 | 2023-06-11 | 南亞塑膠工業股份有限公司 | 聚酯組成物及其製造方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246381A (en) * | 1979-06-18 | 1981-01-20 | Union Carbide Corporation | Polyarylate blends with copolyesters |
CH641406A5 (de) | 1979-07-30 | 1984-02-29 | Tetra Pak Dev | Heisssiegelbares laminat und verfahren zu dessen herstellung. |
SE434715B (sv) | 1982-01-20 | 1984-08-13 | Tetra Pak Dev | Sett vid sammanfogning av laminatmaterial innefattande lager av orienteringsstreckt polyester |
US4818588A (en) | 1985-11-20 | 1989-04-04 | Dai Nippon Insatsu Kabushiki Kaisha | Packaging materials |
US4698246A (en) | 1986-03-05 | 1987-10-06 | International Paper Company | Novel laminates for paperboard cartons and a process of forming said laminates |
GB8808219D0 (en) | 1988-04-08 | 1988-05-11 | Bowater Packaging Ltd | High barrier metallised film |
US5244091A (en) * | 1991-10-16 | 1993-09-14 | Pci/Delvco, Inc. | Device for inhibiting removal of an article from a blister container |
US5998019A (en) | 1993-11-16 | 1999-12-07 | Baxter International Inc. | Multi-layered polymer structure for medical products |
CA2166637C (en) * | 1995-01-11 | 2000-11-07 | Mark D. Hanes | Blends of poly(ethylene terephthalate) and monovinyl/conjugated diene block copolymers |
US5811183A (en) | 1995-04-06 | 1998-09-22 | Shaw; David G. | Acrylate polymer release coated sheet materials and method of production thereof |
US5859116A (en) * | 1997-01-21 | 1999-01-12 | Eastman Chemical Company | Clarity and adjustable shrinkage of shrink films using miscible polyester blends |
US6401926B1 (en) * | 1999-08-09 | 2002-06-11 | Pfizer Inc. | Child-resistant blister package |
US6576309B2 (en) * | 1999-12-02 | 2003-06-10 | Associated Packaging Enterprises | Thermoplastic compositions having high dimensional stability |
WO2001088039A1 (en) | 2000-05-12 | 2001-11-22 | Dow Global Technologies Inc. | Polyolefin/copolyamide rf active adhesive film |
US20020162771A1 (en) * | 2001-05-07 | 2002-11-07 | Berkley Industries | Interactive display packaging |
WO2002102898A1 (en) * | 2001-06-15 | 2002-12-27 | Dow Global Technologies Inc. | High-frequency active polymeric compositions and films |
US6599994B2 (en) * | 2001-07-18 | 2003-07-29 | Eastman Chemical Company | Polyester blends and heat shrinkable films made therefrom |
-
2002
- 2002-08-29 US US10/230,607 patent/US6855778B2/en not_active Expired - Fee Related
- 2002-12-09 WO PCT/US2002/039284 patent/WO2003050004A1/en not_active Application Discontinuation
- 2002-12-09 PL PL02370419A patent/PL370419A1/xx unknown
- 2002-12-09 EP EP02792338A patent/EP1461252A4/en not_active Withdrawn
- 2002-12-09 MX MXPA04005631A patent/MXPA04005631A/es not_active Application Discontinuation
- 2002-12-09 CA CA002469852A patent/CA2469852A1/en not_active Abandoned
- 2002-12-09 AU AU2002357797A patent/AU2002357797A1/en not_active Abandoned
- 2002-12-10 TW TW91135680A patent/TW200304927A/zh unknown
-
2004
- 2004-12-22 US US11/020,890 patent/US7003930B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2469852A1 (en) | 2003-06-19 |
US20030106287A1 (en) | 2003-06-12 |
US7003930B2 (en) | 2006-02-28 |
US6855778B2 (en) | 2005-02-15 |
WO2003050004A1 (en) | 2003-06-19 |
MXPA04005631A (es) | 2005-04-19 |
EP1461252A1 (en) | 2004-09-29 |
EP1461252A4 (en) | 2006-10-18 |
PL370419A1 (en) | 2005-05-30 |
AU2002357797A1 (en) | 2003-06-23 |
US20050097864A1 (en) | 2005-05-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2008264215A1 (en) | Thermoforming film | |
US20080274328A1 (en) | Thermoforming films | |
TW200304927A (en) | Blended thermoformable RF sealable plastic | |
GB2402393A (en) | Biodegradable bag | |
ATE254569T1 (de) | Mehrschichtiges, heisssiegelfähiges verpackungsmaterial, daraus hergestellte verpackung und verfahren dessen herstellung | |
TW200844012A (en) | Packaging container | |
IL146328A0 (en) | Antiblock compositions and method of preparation | |
JP2010194781A (ja) | イージーピールフィルム | |
EP1410902A1 (en) | Multi-layer, heat-shrinking film that acts as an oxygen and water vapour barrier and exhibits low curling | |
EP1550549A1 (en) | Container of biodegradable heat-resistant hard resin molding | |
GB2592482A (en) | Oven skin packaging film | |
EP0056323A1 (en) | Packaging material and packages made therefrom | |
JP2002002655A (ja) | パルプモールドトレーおよびその製造方法 | |
CN105924718A (zh) | 一种防爆节能复合型快递袋 | |
EP0437152A1 (fr) | Films à base de Polyéthylène et E.V.A. chargés soudables par haute fréquence, pouvant être associés par complexage ou coextrusion à d'autres films et produits obtenus | |
JPH10330522A (ja) | 熱可塑性樹脂発泡シート及び容器 | |
JP2003276116A (ja) | 樹脂フィルム及びその製造方法 | |
WO2023276920A1 (ja) | 積層体 | |
CN102083624A (zh) | 由乙烯乙酸乙烯共聚物制成的气密层 | |
KR20090036812A (ko) | 절취가능한 비닐봉지 및 그 제조방법 | |
JPH1158634A (ja) | 軟質の透明合成樹脂シート | |
JPS61203302A (ja) | ヒ−トシ−ル容器の製造方法 | |
JP2001171619A (ja) | Ptp包装体、シール方法及びシール装置 | |
JP3780075B2 (ja) | 耐熱容器用易開封性複合フイルム | |
JP4311081B2 (ja) | フィルム状の緩衝材 |