TWI239969B - Polyester resin foamed sheets - Google Patents

Polyester resin foamed sheets Download PDF

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Publication number
TWI239969B
TWI239969B TW88116940A TW88116940A TWI239969B TW I239969 B TWI239969 B TW I239969B TW 88116940 A TW88116940 A TW 88116940A TW 88116940 A TW88116940 A TW 88116940A TW I239969 B TWI239969 B TW I239969B
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Taiwan
Prior art keywords
patent application
scope
item
substance according
sheet
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TW88116940A
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English (en)
Inventor
Ghatta Hussein Al
Guido Ghisolfi
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Sinco Ricerche Spa
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Priority claimed from IT98MI002078 external-priority patent/IT1302278B1/it
Priority claimed from ITMI982081 external-priority patent/IT1302281B1/it
Priority claimed from IT98MI002208 external-priority patent/IT1302669B1/it
Application filed by Sinco Ricerche Spa filed Critical Sinco Ricerche Spa
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Publication of TWI239969B publication Critical patent/TWI239969B/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • B65D2565/385—Details of packaging materials of special type or form especially suited for or with means facilitating recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1379—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Cartons (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Description

1239969 A7 B7 五、發明説明（彳） 本發明係關於聚酯樹脂發泡片，其可熱封，並適於製造 飲料及食品容器，容器之形狀可藉摺疊發展之設計可藉擠 壓印上。 本發明包括獲自該片之容器。其特別關於一種片，具有 氣體障壁性，適於製造飲料如果汁、中架-生命牛奶、茶等 之容器。 所用之材料現仍製造飲料及食品容器如果汁、牛奶等之 容器，實質上包括提供容器機械性特別是剛硬性之紙板之 功能層及有些情況藉聚乙烯薄膜或類似聚合物質黏至紙板 一層塗鋁之薄片在與飲料或食品接觸之側上。 用該多層物質製成之容器由於各層之不同化學性質，難 以再循環。 由可得再循環之節省觀點及生態學觀點而言，形成食品 或飲料容器之物質之再循環能力相當重要。 具有可再循環物質之可能性在此部門為極重要題目。 由聚合物質製成之飲料及液體之容器存在，但無法提供 可與紙板相比之剛硬性特徵，因此，其無法適當製成剛硬 容器。用該材料獲得之容器歸於小袋類別。 嘗試使用聚合物質獲得具有所需剛硬性之容器迄今仍未 成功。 容器内之剛硬性為壁厚度之功能，更精確地隨壁厚度之 立方.體改變。 聚合物質如聚烯烴供製造具有充分剛硬性之容器之用途 意味一種不甚經濟之厚度，且無法加工，此乃由於容器關 _zAz_ 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐） 1239969 A7
閉狀態所遭受之摺疊及密封方面之困難性。 其他物質如發泡聚苯乙缔，由於配入薄層中時其脆弱性 而無法使用。 自專利文件（1；8? 5,000,991 )可得知剛硬層合體，其用於 製備”’、、成开> 之飲食用容器’由發泡聚酯物質之片及相同性 貝作為片之薄膜或其他聚合物質所形成。自eB-a-836937
可得知半剛硬層合體，具有厚度為0·5至1·5 mm ,包含一具 有密度為0.7至1 g/cm3之聚酯樹脂發泡體層，其上黏有一不 同於聚酯發泡體層之聚合物質所製成之具有氣體障壁性之 層。 裝 層合體用於由包裝件之熱形成之製備。 包含一聚酯發泡體層之物質可折痕，以藉根據擠壓在物 訂 貝上之設計摺疊而形成容器之形狀在專利文件中並非習 知。 單層或多層聚合物質欲與設定以藉摺疊容器形狀發展之 設計折痕之能力，及物質根據該設計之可摺性，對飲料及 食口p容為之製造在用於折痕及摺疊技術時構成必要條件。 若壓在物質上之設計仍長期穩定時，物質適於折痕，且 若壓印該設計時，會損害摺疊物質之可能不會發生。 另外，物質必須可熱封，俾可使容器之關閉成為可能。 頃發現聚酯樹脂發泡之聚合物質，其適於製造飲料及食 品容器，滿足上述變皺條件，且其呈現剛硬性足以取代紙 板。 本發明之發泡物質包含，或由實質上非晶（包含低於5% 1239969 A7 B7 五、發明説明（4 )
Roll為Nurol S.p.A·之註冊商標）。 在：：障壁性之膜黏在片上之情況下’此膜之未處理側 為與容器内側之飲料及食品接觸者。 、 亦可能的是，此為各種條体土 Λ处 / θ分搜彳巾件足功叱，例如用油墨 刷，以使用對應於上述條件之膜作為具有發泡片之 黏附膜之層作為内層。 四’ 具有障壁性之膜或其他膜在發泡片上之黏附可根據習知 方法藉膠凝或熱層合或藉共擠壓完成。 本發明之發泡片具有厚度在〇·2與3腿之間，最佳在㈠ 與L5 _之間。片材之密度低於7〇〇kg/m3，較佳在_ 500 kg/m3，最佳在1〇〇與2〇〇 kg之間。 亦可用不用於聚酯樹脂之可熱封聚合物層覆蓋發泡聚酯 片。 發泡片之製備係根據習知擠壓-膨脹法實施。 較佳方法揭示於USP 5362763，其說明併入本文供參考。 其他方法示於USP 5362763，其說明亦併入供參考。 發泡片之剛硬性為其厚度之功能··其隨厚度而增加（不成 比例）。操機填料之使用（可使用高達約2 〇重量％)容許片剛 硬性之增加。填料之例為氧化矽、氧化鋁、二氧化鈦、碳 酸鈣等。 容器之14係根據習知方法完成，藉壓在片上之設計之 折痕摺疊，設定以發展容器之形狀。 谷芬根據其終端用途具有不同形狀及容積。可使用立方 形、橢圓形或梯形。通常飲料及果汁之容器之容積在〇 2與 1239969 A7 _______B7 五、發明説明（c ) 2公升之間。 用於發泡片製備之聚酯可藉芳香二羧酸，較佳為對酞酸 與2至12個碳原子之二醇如乙二醇、丨，4_ 丁烷-二醇及丨，4· 二羥甲基環己烷之縮聚作用獲得，較佳選自聚酞酸次乙酯 共聚物’其中高達2 0莫耳％自對酞酸衍生之單元係由自異 酞酸及/或萘-二羧酸衍生之單元所取代。 為了提供生物降解性及/或堆肥性至發泡片，用以製備片 之聚酯樹脂係與1 〇至3 5重量％可生物降解之脂肪聚酯樹脂 混合’混合物係在四羧酸，較佳為芳香族之二酐存在下以 固態實施聚加成之反應。 均苯四酸酐為較佳二酐，並以樹脂全部量之〇 〇5至2重量 %之量使用。 聚加成於固態之反應係在約15〇至22〇 c下實施一段時 間，二酐濃度足以獲得樹脂特性黏度值高於〇·7 d"以在2 5 °C下於60/40重量之苯酚與四氯乙烷之混合物内測定之黏 度）及溶化強度之值足夠高以容許樹脂之發泡。 特性黏度通常為0.8與1.2 dl/g之間。 適當溶物強度值高於8厘牛頓，較佳高於2〇厘牛頓。 熔物強度之測定係根據US 5,442,381所示之方法（其說明 併入本文供參考）使用Geottfert毛細電流計實施。 脂肪聚酯樹脂係藉具有2至22個碳原子之羥基酸或其内酯 或内交酯之縮聚，或藉具有2至22個碳原子之脂肪二羧酸 與具有2至22個碳原子之芳香二醇之縮聚獲得。聚己内酯 為較佳聚酯。上述聚酯具有可生物降解之特性。 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公梦) 1239969 A7 B7 五、發明説明（7 ) 容器藉熱封關閉。關閉物保持密封且容易藉撕裂、切割 等方式打開。容器在用於堆肥法之正常操作條件下實施堆 肥，導致可堆肥。 實例4 具有實例3特性之發泡P E T片係用可與容器之再循環性配 合之膠予以膠黏至厚度15微米之Nu Roll金屬化膜（Nurol S·ρ.A·) 〇 片用於製造液體之容器。 _- 10 - 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐)

Claims (1)

  1. A8 B8 C8 D8 少
    1239969 第088116940號專利申請案 中文申請專利範圍替換本(94年5月） ：------------- 申請專利範圍 種適於製造飲料及食品容器之物質，包含實質上非晶 發泡片，該發泡片係獲自芳族聚酯樹脂，具有低於7⑻ kg/m3之密度及結晶速率為，當在12(rc加熱$分鐘時，結 晶度不會達到高於15%之值，且該片可依摺疊食品及飲 料容器之形狀所設計的圖樣加印於其上成為有摺痕的。 2. 根據申請專利範圍第1項之物質，其中該片係自含有2至 20莫耳％衍生自異酞酸及/或莕-二羧酸單元之共聚對酉太 酸乙二酯獲得。
    3·根據申請專利範圍第1或2項之物質，其中該片之結晶速 率為 ^在120〇加熱5分鐘時’結晶低於1 0 %。 4·根據申請專利範圍第1或2項之物質，其中該片係被黏至 具有氣體障壁性質之膜。 5.根據申請專利範圍第4項之物質，其中係黏附一聚酯膜， ▲氷醋膜具有低於7 0 ml/m2 / 2 4小時/ atm之氧渗透速率 (根據ASTM 1434測定）。 6·根據申請專利範圍第5項之物質，其中該聚酯膜係用鋁金 屬化或塗佈有氧化鋁或氧化矽層，或聚矽酸鉀或聚矽酸 鋰層。 7.根據申請專利範圍第4項之物質，其中該具有氣體障壁性 貝之膜係藉利用膠或熱層合而黏至該發泡片。 8·根據申請專利範圍第1或2項之物質，其中該發泡片具有 在10與500 kg/m3間之密度。 9·根據申請專利範圍第1或2項之物質，其中該發泡片具有 在100與200 kg/m3間之密度。 60360-940505.DOC 1239969 A8 B8 C8 申請專利範圍 10·根據申請專利範圍第1或2項之物質，其具有ο ]至3 mm 之厚度。 根據申請專利範圍第1 〇項之物質，其具有0.2至1.5 mm之 厚度。 12.根據申請專利範圍第1或2項之物質，其中該片包含無機 填料。 13·根據申請專利範圍第1或2項之物質，其中該發泡片係獲 自興1 0 土 3 0重里％脂肪族聚g旨樹脂混合之芳族聚醋樹 脂。 14. 一種飲料或食品容器，其係自根據申請專利範圍第i至 1 3項中任一項之物質製成。 K根據申請專利範圍第i 4項之容器，其具有由熱封完成之 封蓋。 此一種果汁或消毒過牛奶之容器，其係使用根據申請專利 範圍第1至1 3項中任一項之物質製成，其中該發泡片被 製成以黏至具有對應於低於7 0 m 1 / m2 / 2 4小時/ atm之滲 透速率值之氧障壁性質之膜。 17·根據申請專利範圍第i 6項之容器，其中該黏至片之膜係 呈現低於1 0 ml/m2 / 2 4小時/ atm之氧滲透速率。 -2- 60360-940505.DOC 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐)
TW88116940A 1998-09-25 1999-10-01 Polyester resin foamed sheets TWI239969B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT98MI002078 IT1302278B1 (it) 1998-09-25 1998-09-25 Materiali multistrato reciclabili in resina poliestere
ITMI982081 IT1302281B1 (it) 1998-09-29 1998-09-29 Foglia espansa in resina poliestere
IT98MI002208 IT1302669B1 (it) 1998-10-14 1998-10-14 Foglia poliestere espansa compostabile

Publications (1)

Publication Number Publication Date
TWI239969B true TWI239969B (en) 2005-09-21

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TW88116940A TWI239969B (en) 1998-09-25 1999-10-01 Polyester resin foamed sheets

Country Status (17)

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US (1) US6365249B1 (zh)
EP (1) EP0989148B1 (zh)
JP (1) JP3549781B2 (zh)
KR (1) KR100589081B1 (zh)
CN (1) CN1251805A (zh)
AR (1) AR023053A1 (zh)
AT (1) ATE290563T1 (zh)
AU (1) AU764281B2 (zh)
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HU9903239D0 (en) 1999-11-29
NO994587L (no) 2000-03-27
KR100589081B1 (ko) 2006-06-13
ATE290563T1 (de) 2005-03-15
JP2000109042A (ja) 2000-04-18
CA2283039A1 (en) 2000-03-25
HUP9903239A3 (en) 2003-02-28
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AU764281B2 (en) 2003-08-14
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HU224201B1 (hu) 2005-06-28
HUP9903239A2 (hu) 2000-06-28
NO319966B1 (no) 2005-10-03
CN1251805A (zh) 2000-05-03
DE69924063D1 (de) 2005-04-14
AR023053A1 (es) 2002-09-04
EP0989148A2 (en) 2000-03-29
NO994587D0 (no) 1999-09-21
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