201033247 六、發明說明: 【發明所屬之技術領域】 、本發明揭示-種管狀熱收縮聚隨,特別是—種應用於套入熱收 材料’及具有添人開口劑與滑劑混練押出吹擠形成收 縮聚S旨膜。 f 【先前技術】 聚氣乙烯熱收縮膜(PVC SHRINKABLE TUBE) 、 力::易而被廣泛的使用在商品的外包裝上、使在國内:經有超二 十餘年的使用和製造經驗,但聚氯乙稀(PVC)因過熱分解會產生一致 n Γ ΐ奥辛仰敗㈣’再者國内垃圾處理多數採用焚化爐進行焚 燒’《I乙騎缝過針除了會纽戴奥辛外 酉會傷害人體呼吸道外,也會造成焚化爐設備的 ^牛低火化爐的使用年限,因此,在歐盟及日本等國家已禁止使 虱乙烯來做為食品等相關產品的包裝。 Λ 另一 聚氣乙烯熱收縮膜除了環保之問題外,在材料特性之 縮腺州#聚氯乙稀本身材料物性之關係,使得聚氯乙烯執收 伸延展性不佳,影響聚氯乙烯熱收縮膜使用於食品 ❿ .、、 本一甲s夂乙一s日或其共聚酯聚合物的埶收缩膜材 料亦存有開口度及拉伸延展性不佳之問題與缺點。I錄膜材 【發明内容】 習知之聚氯乙频收縮職聚對苯二甲酸乙二 物的熱收顧,_料無,而有重度污染不·保或開 延展性不佳之問題盘缺赴,旦/鄕也“ 〜 又及拉伸 衫3…、收縮膜的產業利用價值與範疇。 ιΐϊί❹ 目的即是提供—種環己二帽改性的聚對笨 婦熱收縮膜或聚對苯1酸乙m U 了以解决上述白知也風乙 有的重度污料雜崎合物的敵縮膜所具 為这卜呆摘度及拉伸延展性不佳之問題與缺點。 目的,本發明之管狀熱收縮聚醋膜,係由1,4—環己 3 201033247 一甲醇與對本一甲酸和乙二醇化合而成一種環己二曱醇改性的聚對苯 二曱酸乙二酯共聚酯聚合物,此聚合物以91〜99%比例,以外加方式 添入0·5〜5%開口劑及0.5%〜4%滑劑混練後經押出、吹擠,再予成 型冷卻及固化而得之管狀熱收縮聚酯膜。 本發明之管狀熱收縮聚酯膜之功效,在於使熱收縮包裝膜材料具 備有低污染環保之效果外,更進一步藉由適當比例的開口劑及滑劑添 加混練、押出及吹擠成型而得具備較佳的開口度及拉伸延展性等特 性,藉以提昇熱收縮膜材料之包裝品質與產業利用價值。 【實施方式】 μ201033247 VI. Description of the invention: [Technical field to which the invention pertains] The present invention discloses a tubular heat shrinkage polymerization, in particular, a type of application for entraining a heat-receiving material and a mixing of an opening agent and a slip agent. A shrinkage poly S film is formed. f [Prior Art] Polyethylene Ethylene Shrink Film (PVC SHRINKABLE TUBE), Force: Easy to be widely used in the outer packaging of goods, in the country: after more than 20 years of use and manufacturing experience, However, polyvinyl chloride (PVC) will produce a consistent n Γ due to overheating decomposition. ΐ ΐ 仰 仰 ( 四 四 四 四 四 四 四 四 四 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内 国内In addition to the human respiratory tract, it will also cause the life of the incinerator equipment. Therefore, it has been banned in the EU and Japan as the packaging of food and other related products.另一 Another gas-gathering heat shrinkable film in addition to the environmental protection problem, the material properties of the material of the gland of the United States, the relationship between the material properties of PVC, the PVC is not suitable for extension and extension, affecting the heat of PVC The shrink film is used in foods, and the bismuth shrink film materials of the same or a copolyester polymer also have problems and disadvantages of poor opening and stretchability. I recorded film material [invention content] The conventional polychlorinated ethylene frequency shrinking polyethylene terephthalate heat collection, _ material is not, and there is a serious pollution not to protect or open the problem of poor scalability , Dan / 鄕 also "~ and stretch shirt 3..., the industrial use value and scope of shrink film. ιΐϊί❹ The purpose is to provide a kind of ring-shaped two-cap modified poly pair of women's heat shrink film or poly-p-benzene 1 The acid B m U has been used to solve the problems and disadvantages of the above-mentioned dilute film and the poor stretchability of the heavy-duty mixture of the white matter. Heat shrinkable polyester film, which is a cyclohexanol modified polyethylene terephthalate copolyester formed by the combination of 1,4-cyclohexane 3 201033247-methanol with the present monoformic acid and ethylene glycol. Polymer, the polymer is added in a ratio of 91 to 99%, plus 0.5 to 5% of the opening agent and 0.5% to 4% of the slip agent, and then extruded, blown, and then cooled and solidified. Tubular heat-shrinkable polyester film. The effect of the tubular heat-shrinkable polyester film of the present invention is to make the heat-shrinkable packaging film material In addition to the effect of low pollution and environmental protection, it is further improved by the addition of an appropriate proportion of the opening agent and the slip agent to form a kneading, extrusion and extrusion molding to obtain a better opening degree and tensile ductility, thereby improving the heat shrinkable film material. Packaging quality and industrial utilization value. [Embodiment] μ
本發明之官狀收縮聚酯膜係由丨,4一環己二甲醇與對苯二曱酸和 乙二醇化合而成一種環己二曱醇改性的聚對苯二甲酸乙二酯共聚酯聚 合物,此聚合物以91〜99〇/。比例,以外加方式添人〇 5〜5%開口劑及 0.5%〜4%滑劑混練後經押出、吹擠,再予成型、冷卻及固化而得之管 狀熱收縮聚酯膜。 上述之開口劑的最佳實施方式為5〇〜98%比例之共聚酯 (Copolyester)、1〜30%比例之水晶(Crystalline)及卜观比例之添加 劑(Additive)組成。 上述之滑劑為外部滑劑,其較佳實施例為97%比例之pETG及孤 比例之潤滑劑(LubricantAdditive)組成。 、ώ請再配ί—®所示,簡單說明上述本發明之管狀收縮聚賴的製造 j之較佳貫施方式’其巾,該乾燥機構丨内供該環己二曱醇改性的聚 對本一甲酸乙二g旨共聚崎合物、開口劑及滑舰行乾操處理。 ^練押出吹擠機構2供上述之環己二甲醇改性的聚對苯二甲酸乙 己二曱_性的謂苯二乙二§旨共聚崎合物、開口劑及滑劑完全 相炫士以形成本發明之管狀收縮聚隨雛型材料21輪出。 成51及冷卻固化機構3,提供上述上述混物^ ^ 明之管狀收縮聚_成品31輸出。 U化處理,以形成本發 收料機構4,將成型及冷卻固化機構3輸出之管狀收縮聚賴成品 4 201033247 31收料成卷’以提供給食品或物品之套入熱收縮包裝機器使用。 上述第一圖所示本發明之管狀收縮聚酯膜的製造流程,僅為本發明 為說明各組成成份材料的較佳處理程序所列舉之例,並非用以限制本發 明之範嗜。 上述本發明之管狀收縮聚酯膜經申請人委託台灣檢驗科技股份有 限公司(SGS Taiwan Ltd.)進行耐寒溫度、拉力強度及斷裂點伸長率等項 目進行試驗,試驗報告日期為2009年01月07日,報告編號為 ρ·-〇8_1ΐ43ιχ,其g驗钴罢如下: U, 試驗項目 試驗方法 ----— 試驗結果 耐寒溫度(-40°C’20小時) 恆溫恆濕機 ~~ 1 -外觀無異 狀 拉力強度(kgf/cm2) ASTMD882"02(GL=500mm 5 V=500mm/min) — 488 斷裂點伸長率(%) ----. 341 由以上δ式驗報告之結果顯示,本發明之管狀收縮聚酯膜無論在耐 寒溫度試驗、拉力強度試驗及__長率試驗賴果,均顯示有較 佳的開口度及拉伸延展性。 ❹The official shrinkage polyester film of the invention is obtained by combining fluorene, 4-cyclohexanedimethanol with terephthalic acid and ethylene glycol to form a cyclohexanol-modified polyethylene terephthalate copolymer. Ester polymer, this polymer is 91~99〇/. The proportion, the addition method, the addition of 5 to 5% of the opening agent and 0.5% to 4% of the slip agent, after being kneaded, blown, and then formed, cooled and solidified to obtain a tubular heat-shrinkable polyester film. The preferred embodiment of the above-mentioned opening agent is a composition of 5 to 98% of a copolyester, a crystal of 1 to 30% (Crystalline), and an additive of an additive ratio (Additive). The above slip agent is an external slip agent, and its preferred embodiment is composed of a 97% ratio of pETG and a lubricant additive. ώ 再 再 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , For the present, the formic acid ethylene glycol is used for the coagulation composition, the opening agent and the slipper. ^Practicing the blowing mechanism 2 for the above-mentioned cyclohexanedimethanol-modified poly(ethylene terephthalate)--synthesis of benzoic acid, the opening agent and the slip agent The tubular shrinkage poly-sand material 21 of the present invention is formed to be rotated. The 51 and the cooling and solidifying mechanism 3 provide the tubular shrinkage poly-finished product 31 output of the above-mentioned mixture. U is processed to form the hair receiving mechanism 4, and the tubular shrinkage of the forming and cooling and solidifying mechanism 3 is collected into a roll </ RTI> for use in a heat shrink packaging machine for feeding food or articles. The manufacturing process of the tubular shrink polyester film of the present invention shown in the above first embodiment is merely an example of a preferred treatment procedure for explaining the constituent materials of the present invention, and is not intended to limit the scope of the present invention. The above-mentioned tubular shrinkage polyester film of the present invention was commissioned by SGS Taiwan Ltd. to carry out tests on cold resistance temperature, tensile strength and elongation at break point, and the test report date is January 07, 2009. On the day, the report number is ρ·-〇8_1ΐ43ιχ, and its test for cobalt is as follows: U, test item test method ----- test result cold resistance temperature (-40 °C '20 hours) constant temperature and humidity machine ~~ 1 - No abnormal tensile strength (kgf/cm2) ASTMD882"02 (GL=500mm 5 V=500mm/min) — 488 Elongation at break point (%) ----. 341 The results of the above δ test report show that The tubular shrinkage polyester film of the present invention exhibits a good opening degree and tensile ductility in both the cold resistance temperature test, the tensile strength test and the __long rate test. ❹
上述本發明之f狀收縮聚g旨膜,其巾所揭示之說明及圖式, 便於闡明本發明之技術内容及技術手段,所揭示較佳實施例之一隅, 触其齡。纽,舉凡—靖縣發明之成份組成比例細 1^日日、ί更,或者是材料、處理流程之等效替代、置換,當不脫離 ===麟,其細糾町之巾請專繼齡界定之。 圖。第ϋ為本發明之官狀收縮聚酉旨膜製造流程之較佳實施例示意 【主要元件符號說明】 2混練押出吹擠機構 3成型及冷卻固化機構 4收料機構 1 乾無機構 21 管狀收縮聚酯膜雛型材料 31 管狀收縮聚酯膜成品 5The above description of the f-shaped shrinkage polyg- ing film of the present invention, the description and the drawings disclosed in the accompanying drawings facilitate the clarification of the technical contents and technical means of the present invention, and one of the disclosed preferred embodiments is at the touch of the age. New Zealand, the general - Jingxian invention composition of the composition of the fine 1 ^ day, ί more, or the equivalent replacement, replacement of materials, processing, when not out of === Lin, the fines of the town, please follow Age defined. Figure. The third embodiment is a schematic diagram of a preferred embodiment of the manufacturing process of the official shrinkage film of the present invention. [Main component symbol description] 2 Kneading extrusion and blowing mechanism 3 molding and cooling and curing mechanism 4 Receiving mechanism 1 Drying mechanism 21 Tubular shrinkage Polyester film prototype material 31 tubular shrink polyester film finished product 5