TWI250926B - Process for producing thermoplastic resin composition - Google Patents

Process for producing thermoplastic resin composition Download PDF

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Publication number
TWI250926B
TWI250926B TW090109926A TW90109926A TWI250926B TW I250926 B TWI250926 B TW I250926B TW 090109926 A TW090109926 A TW 090109926A TW 90109926 A TW90109926 A TW 90109926A TW I250926 B TWI250926 B TW I250926B
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TW
Taiwan
Prior art keywords
thermoplastic resin
screw
resin composition
supply portion
end supply
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Application number
TW090109926A
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English (en)
Inventor
Mitsuo Maeda
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Sumitomo Chemical Co
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Publication of TWI250926B publication Critical patent/TWI250926B/zh

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
    • B29B7/483—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs the other mixing parts being discs perpendicular to the screw axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

I25〇926 A7 五、發明說明（1 ) [發明背景] [發明範疇] 本發明係有關一種熱塑性樹脂組成物之製法。 [相關技藝說明] ^熱塑性樹脂，特別稱做工程樹脂的高度耐熱熱塑性樹 月曰廣用做為多種製品及部件的成形材料，此等製品及部件 ，如機器部件、家用電器H通訊裝置、辦公室自動化 4件'汽車零件以及休閒商品。近年來，對製品及部件的 輕薄短小與效能提升的需求不斷升高。因此，要求更為質 輕的熱塑性樹脂做為材料俾儘可能保有此等性質。 做為熱塑性樹脂重量減輕手段，即降低比重，已知中空球 體此料方法。混料中空球體之熱塑性樹脂組成物述於 A 53-121851，JP-A 58-93759，JP-A 6心74258 等。此等組 成物通常係藉熔體加工擠壓造粒而製造。 但，經由尋常炫體加工擠壓方法，由於藉溶體混練之 剪力，中空球體可能有相當比例斷裂。如此，難以獲得具 有低比重組成物。 本發明之目的係解決前述問題，以及提供一種經由溶 體加工擠壓方法製造含中空球體之低密度熱塑性樹脂組成 物之方法。 [發明概要] 經由徹底研究結果，發明人發現前述問題可經由以特 定比例供給熱塑性樹脂及中空球體之擠壓機且使用特定熔 體加工擠壓機而予解決’如此完成本發明。 ’ 本紙張尺度適用中國國家標準（CNS)A4規格（21G X 297公£ __ ’ 1 312581— (請先閱讀背面之注意事項再填寫本頁} 裝 1· 1« 1 1«^WJ· 1 *1 n ϋ -ϋ ϋ ·1 - 經濟部智慧財產局員工消費合作社印製 1250926 經濟部智慧財產局員工消費合作社印製 A7 五、發明說明（4 ) 物’其係經由轉移酯化而製造的聚酯。特 ^ . 付別，經基之酯生 成衍生物例如包括羥基為於羧酸生成之酯 _又何生物，該酯 可經由轉移酯化而製造聚酯。 芳族二叛酸、芳族二醇及芳族經綾酸可含有一或多個 取代基例如南原子、甲基、乙基及芳&，只要該等取代基 不會抑制酯之生成性質即可。 至於液晶聚酯重覆單位，可舉例說明下 ^ ^ lL 巧各者但非僅 限於此。 衍生自芳族羥羧酸之重覆單位： 式2 (請先閱讀背面之注咅？事項再填寫本頁)
« n n n 1 n i la 一 or n me— imm I tmmf —A
1250926 A7 B7 五、發明說明（5 ) 式中，xl表示鹵原子或烧基。 衍生自芳族二羧酸之重覆單位： 式3
Γ-裝—— (請先閱讀背面之注意事項再填寫本頁) ·.
經濟部智慧財產局員工消費合作社印製 該等式中，x2表示鹵原子、烷基或芳基。 衍生自芳族二醇之重覆單位： 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 5 312581 1250926 A7 B7 五、發明說明（6 ) 式4
(請先閱讀背面之注意事項再填寫本頁) 裝 ir-o 經濟部智慧財產局員工消費合作社印製 式中，x3表示鹵原子、烷基或芳基，以及x4表示氫 原子、鹵原子或烧基。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 6
3T25M 1250926 A7 B7 五、發明說明（7 ) 式5 經濟部智慧財產局員工消費合作社印製
液晶聚酯特佳可獲得耐熱性、機械性質以及加工性平 衡，該等平衡化合物中，上式Ai表示之重覆單位含量至少 為30%莫耳比。 具體言之，具有適當重覆單位組合如下式（a)至（f)。 (a) : (A〇，（B〇或（BJ及（B2)之混合物，以及（CD 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 7 312581 (請先閱讀背面之注音？事項再填寫本頁) 裝 1250926 A7 五、發明說明（11 ) 的供給嘴或由上游端及/或下游端供給部供給入掩 可事先混合熱塑性樹脂及/或玻璃纖維，可由上 邻 或下游端供給部供給。 觸供、、口 4 鑑於希望加工程序簡單方便，適合由上及/或下游端供 給部供給。鑑於防止中空球體的崩潰，更 給部供給。 下游端供 由上游端供給部及/或下游端供給部供給時，適 混合填充劑、添加劑等於熱塑性樹脂及/或令空球體：以 由上游端供給部及/或下游端供給部供給入擠壓機。 至於熔體混練擠壓機’例如有單螺桿擠壓機及 擠壓機。至於雙螺桿擠壓機，例如有同向旋轉型 =及完美接合型。以同向旋轉型雙螺桿㈣機為適： 同向叙轉型例如包括單螺紋 總妨碑4日別 雙螺紋螺桿型以及 螺紋^干型。逆向旋轉型例如包括平行轴型及傾斜抽型。 機下r μ本發明之㈣I練㈣機令，於溶體混練擠壓 機下游端部下游螺桿部份實質上僅由前 向螺紋螺桿製成而不具有混練區段。因此 變脆弱而可能抑制豆鹿、主α * 瓦體此練 桿為，蟬…: 擠麗方向之正向螺紋螺 :為藉：杯㈣輪送熱塑性樹脂等至擠壓方向的螺紋螺 柃。例如，全程螺紋螺桿。 、^練區段表示於螺桿㈣有效混練而準備的部份。至 /又於早螺桿擠屢機之例例如有督美及(副则 螺杯、早一溶體螺桿、針銷螺桿、阻摟螺桿等。 .其它方二於雙螺桿擠屢機之例’例如有混練圓盤β 本紙張尺度適用砀料 !1 312581
，-裝 (請先閱讀背面之注音？事項再填寫本頁) —tr--------
• n I I 1250926 A7 五、發明說明（I2 ) 乾練圓盤、中性混練圓盤、左混練圓盤）、混合螺桿等。 後文將參照附圖說明本發明之製法及具體實施例。 第1圖為結構式圖顯示有關本發明之熔體混練擠壓機（雙 螺桿）之具體實施例。 架設於擠壓機之工作缸4中，螺桿9藉（傳動）馬達8 旋轉，轉速藉變速齒輪12減慢。工作缸4係藉（外側）加熱 器10加熱。 螺桿9具有混練區段u用於混練熱塑性樹脂，或用以 混練中空球體與熱塑性樹脂。 本具體實施例中，螺桿9於下游端供給部的下游侧不 具有混練區段。 ^於工作缸4擠壓方向的反向端侧，形成供給熱塑性樹 脂之上游端供給部7。於上游端供給部7至下游端侧形 成供給中空球體的下游端供給部5。力上游端供給部7及 =端舞給部5,架設怪定輸送進給器（圖中未顯示）俾供給 疋量熱塑性樹脂、中空球體等。 此外，為了使用真空幫浦進行真空除氣’通風口3及 6形成於工作缸4用以釋放入大氣。於工作缸4,形成噴嘴 1用以擠壓㈣混練熱塑性樹脂組成物。也依據擠壓機尺 寸，通常有若干直徑2毫米至5毫米之孔隙。 如引述&本發明方法，通常熱塑性樹脂係由上游 供給部供給，而φ处钟麟及丄π & t ^ 而中二球體係由下游端供給部供給。但也可 能根據需求而定，部份熱塑性樹脂係由下游端供給部供 ，給，及/或部二中空球體係由上游端供給部供給。但當來自 本紙張尺度顧―中國iii^s)A4祕咖χ 297公g ) (請先閱讀背面之注意事項再填寫本頁)
« ϋ 1· —B_l ^a§Mm n 1 ϋ 一 身口、I H «1_1 a—ΜΙ iBB-i n ί ·ϋ I 經濟部智慧財產局員工消費合作社印製 312581 12 1250926 A7 五、發明說明（I3 ) 上游端供給部的中空球體量超過j 〇%中空球體總供給量 時，中空球體崩潰速度加快。當來自上游端供給部之液晶 聚酯供給量低於液晶聚酯樹脂總供給量之90%時，偶爾難 以獲得穩定製造過程。 面 此外，當除了中空球體外添加填充劑時，有鑑於中* 球體之崩潰抑制作用，適合由上游端供給部供給填充劑二 藉本發明製法製造的熱塑性樹脂組成物，除了熱塑性 樹脂原先具有的機械及熱（耐熱）性質外，也具有中空球體 低崩潰速率、低比重及低導熱性。熱塑性樹脂組^可藉 成形法例如射出成形法製造各種成形物件。 β 機考==出成形時，為了抑制中空球體的崩潰，成形 機器的射出麗力及維持壓力希望設定於不影響成形物件之 儘可能低的範圍。 盔拉Γ用由本發明之樹脂組成物成形之部件或持料元件並 繼雷部：制。例如包括:電氣及電子部件如連接器、插座、 繼電部件、線圈軸、光學拾取頭、振簠器、印刷電路板及 家電::::：？體相關部件例…盤及晶圓載: 音二塵Τ水 視，斗、空氣調節器、立體 曰曰及塵器、冰箱、電鍋以及照明#要· 例如燈反射器及燈夾持器，·聲、★照明裝置部件 耷一通訊裝置如光纖纜線的套圈株 機部件及數據機’·影印機相關部件例如 部加埶 器夹持器；機器部件例如推進 “曰相及加熱 馬達部件及機扇齒輪、齒輪、軸承、 件例如汽車機械組件、引擎部件、 本紙張巧㈤國(CNS)A4規格 1250926 A7
五、發明說明（i6 ) 經濟部智慧財產局員工消費合作社印製 公司製造，76%容積中空粒，商品名：史考曲輕（Sc〇tch light)S60，實際比重〇 60，材質比重2 5〇]。 玻璃纖維：短切纖維[旭纖維玻璃公司製造，商品名： CS03JAPX-1，比重 2.54]。 結果所得丸粒使用尼赛（Nissei)塑膠工業公司製造的 射出成形機’型號PS40E5ASE，於模具溫度13〇它、工作 缸溫度400°C射出成形，獲得前述試驗件及進行前述測 量。結果示於表1。 表1 組成（份）液晶聚酯 玻璃氣球 玻璃纖維 供給位置液晶聚酯 玻璃氣球 玻璃纖維 L/D L/D 評比 比重 崩潰速率（％ ) 〜 導熱率（瓦/米K) 0.39 a ^ 5 7 *2 抗彎強度（千克/平方厘米）910 1〇5〇* 1 n〇*45 根據本發明方法，藉熔體加工擠壓方 κ >1製造低比重 含中空球體的熱塑性樹脂組成物。 — 實例1 100 18.8 6.3 上游端 下游端 上游端 14 1.21 12.1 實例2 100 18.8 6.3 上游端 下游端 下游端 14 1.24 a 實例3 100 18.8 6.3 上游端 上游端 上游端 1.35 (請先閱讀背面之注音？事項再填寫本頁) « n ·1 ϋ an i n an 一-eJ· ϋ I n ϋ ϋ 1· n · 本紙張尺度適用中國國家標準（CNS)A4規格（21〇 χ 297公釐） 312581

Claims (1)

  1. 第90109926號專利申請案 申凊專利範圍修正本 j (94年11月7曰） 、、製造熱塑性樹脂組成物之方法，係使用配備有螺桿 :熔體混練擠壓機，該擠壓機具有上游端供給部 =壓方向上游部份，而下游端供給部份位於上游端供給 八之下射部份，以及上游端供給部份與下游端供給部 伤間距⑻對螺桿直徑⑼之比（L/D)為4至3G(L及D為 相等刻度單位）；以及於螺桿旋轉下，具有比重ΐ ι〇或 、上之熱塑性樹脂係由上游端供給部分供給，以及對 100重Ϊ份熱塑性樹脂，由下游端供給部份供給其量為 2至50重量份之中空球體。 2·如申請專利範圍帛i項之製造熱塑性樹脂組成物之方 法，其中對100重量份熱塑性樹脂，進一步由上游端供 給部及/或下游端供給部供給其量為丨至40重量份之無 機纖維。 3·如申請專利範圍第項之製造熱塑性樹月旨組成物之 方法，其中位於熔體混練擠壓機下游端供給部下游的螺 桿部實質上僅由對擠壓方向為前進方向之螺紋螺桿組 成，而不具有混練區段。 4. 如申請專利範圍第丨或2項之製造熱塑性樹脂組成物之 方法，其中，該中空球體具有平均粒徑5至5〇〇微米（// m)以及容積中空度60至80%。 5. 如申請專利範圍第丨或2項之製造熱塑性樹脂組成物之 本紙張尺度賴巾國國家標準（CNS) A4規格（210 X 297公爱5" 1 (修正本）312581 1250926 H3 方法，其中該熱塑性樹脂為液晶聚酯樹脂。 6. 如申請專利範圍第5項之製造熱塑性樹脂組成物之方 法，其中如下定義之液晶聚酯樹脂流動溫度為25(rc或 以上， 流動溫度：當經加熱的樹脂使用毛細管流變儀於 9.81百萬帕（MPa)負載下於4。〇/分鐘之溫度升高速率擠 壓通過内徑1毫米及長10毫米喷嘴時，熔體黏度顧示 48000 泊（poise)之溫度。 如申清專利範圍第6項之製造熱塑性樹脂組成物之方 法，其中該液晶聚酯樹脂含有3 〇 %莫耳或以上之如下 結構單位（AJ
    (A〇 經濟部中央標準局員工福利委員會印製 本紙張尺度適用中國國家標準（CNS) A4規格（210 X 297公釐） 2 (修正本）312581
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JP4586234B2 (ja) 2010-11-24
US6756427B2 (en) 2004-06-29
KR100761229B1 (ko) 2007-10-04
DE10120723A1 (de) 2001-11-15

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