TWI509002B - 部份浸漬並經纖維強化之熱塑性強度構件 - Google Patents
部份浸漬並經纖維強化之熱塑性強度構件 Download PDFInfo
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- TWI509002B TWI509002B TW100119036A TW100119036A TWI509002B TW I509002 B TWI509002 B TW I509002B TW 100119036 A TW100119036 A TW 100119036A TW 100119036 A TW100119036 A TW 100119036A TW I509002 B TWI509002 B TW I509002B
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs 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
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4434—Central member to take up tensile loads
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Reinforced Plastic Materials (AREA)
- Insulated Conductors (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Ropes Or Cables (AREA)
Description
本發明係有關於線料及纜線。於一方面,本發明係有關於一線料或纜線之一強度構件,而於另一方面,本發明係有關於經纖維強化之一強度構件。於另一方面,本發明係有關於一種用以製造一經纖維強化之強度構件之方法,而於另一方面,本發明係有關於包含一經纖維強化之強度構件之線料及纜線。
光纖纜線係設計用以提供纖維足夠保護以免於不利程度之縱向及橫向應力之一複合結構。此外,此結構亦提供使用壽命之纖維一良性化學及物理環境。光纖纜線與電力纜線間之一基本差異係一電力纜線中之金屬導體載荷至少一部份於安裝及伺服條件期間產生之抗張應力。相反地,光纖纜線含有與纜線呈一體之抗張強度構件,其係特別地用以使纖維與抗張應力隔離。足夠之抗張及壓縮強度、耐小半徑彎曲之能力、輕易之纖維處理及纜線安裝,及具競爭性之成本僅係於設計一光纖纜線時需被考慮之列示者中之一些標準。
許多種設計係可用於光纖纜線,設計選擇係依應用而定。無需何種選擇,皆需要某種強度構件以載負纜線於安裝及伺服使用期間之抗張及壓縮應力。
今日使用之強度構件主要係由經纖維強化之塑料(FRP),若玻璃纖維係強化物,其亦稱為經玻璃強化之塑料(GRP),或不銹鋼製成。傳統上,FRP或GRP係以一或多種諸如乙烯基酯或環氧物之熱固性樹脂經由纖維拉擠成型方法製造,但處理速度係極受限制。至於不銹鋼,係相對較昂貴且較重。此外,今日可獲得之GRP或FRP/熱固性樹脂複合物易具有過度之勁度,此使包含此等強度構件之光纖纜線之安裝變困難,特別是於建築物附近或沿著熱鬧市街,其間,通常需要急劇彎曲纜線。
於一實施例,本發明係一纖維束,其包含包圍於一纖維/樹脂複合物內之鬆散纖維。於一實施例,纖維束係一具無限長度之擠塑物件。於一實施例,纖維包含玻璃、碳、聚酯,及聚芳香醯胺之至少一者。於一實施例,纖維/樹脂複合物之樹脂組份係一聚烯烴。於一實施例,以複合物包圍之鬆散纖維集成之平均厚度係纖維束直徑之至少1/10。於一實施例,纖維/樹脂複合物之平均厚度係纖維束半徑之至少1/3。
於一實施例,本發明係包含一纖維束之一纜線或其它結構,此纖維束包含包圍於一纖維/樹脂複合物內之鬆散纖維。於一實施例,纜線係一光纖纜線。
於一實施例,本發明係一種製造一纖維束之方法,此方法包含步驟(A)使纖維捆束在一起,使得一部份之纖維形成此纖維束之一內部,且一部份之纖維形成此纖維束之一外部,及(B)以一樹脂浸漬此纖維束之外部,使得(1)形成此纖維束外部之纖維及樹脂形成一纖維/樹脂複合物,其包圍用於此纖維束內部之纖維,以及(2)形成此纖維束內部之纖維未以樹脂浸漬。於一實施例,纖維束係藉由使一鬆散纖維束(不受限地包括玻璃、碳、聚酯,及聚芳香醯胺纖維之至少一者)通過一線料套管擠塑生產線,及以任何便利方式將一熱塑性樹脂(例如,聚丙烯或聚乙烯)施加至纖維束而加工處理。纖維係僅部份浸漬於擠塑機內部,且大部份之經浸漬的纖維係位於此纖維束之外層上。於此纖維束離開擠塑模具及冷卻後,一“硬殼”複合物於此纖維束之外表面上形成,且此殼層緊密包圍於中央之剩餘之未經浸漬或僅輕微浸漬之纖維。
與以樹脂完全浸漬且因此於纖維束內部無鬆散纖維之纖維束相比,本發明之纖維束展現降低之彎曲勁度及改良之製造效率。本發明之纖維束係作為用於光纖纜線及其它線料與纜線應用之有用的強度構件。於殼複合物及於中央之纖維皆促成纖維素之抗張強度,但纖維束之壓縮強度及彎曲勁度係僅藉由外層纖維/樹脂複合物提供。纖維束可展現一或多種下列特徵:
1.若藉由擠塑製備,纖維束之截面幾何可依要求經由流體力學及擠塑模具之設計而改變。
2.因為纖維束之壓縮強度係藉由纖維/樹脂複物殼而決定,殼厚度之變化會改變纖維束之壓縮強度。經由樹脂之配製、擠塑頭壓力之控制,及線速度之控制之一或多者,外複合物殼層之厚度可依纖維束應用之應用需求而改變。
3.藉由調整纖維束之纖維/樹脂複合物層及中央鬆散纖維間之體積比率,纖維束之彎曲及扭轉勁度亦可依纖維應用之應用需求而修整。於複合物殼之更多體積意指纖維束之更多勁度(於彎曲及扭轉)。
4.阻水性塗覆物可添加至纖維(特別是於中央之纖維)以增加纖維束之阻水特徵。
5.與傳統之纖維拉擠成型方法相比,線料套管擠塑生產線具有較高之生產線速度,例如,>10X。因此,製造效率係大大地增加。
6.若高耐熱性係應用所欲者,諸如水份固化之交聯技術可與擠塑方法一起使用以些微交聯基質。
於一實施例,本發明之纖維束可於光纖纜線作為傳統FRP/GRP強度構件之替代的強度構件,以便提供纜線改良之可撓性。但是,本發明之纖維束亦可用於其間於一方向之高抗張模量係所欲之其它應用。
第1圖係本發明之一纖維束實施例之一示意截面。
第2圖係報導於實施例製備之樣品的模量之圖。
第3圖係報導於實施例製備之樣品之三點彎曲試測結果之圖。
定義
除非相反表示,此內容所暗示,或此項技藝慣用,所有份數及百分率係以重量為基準,且所有測試方法係於本揭露內容之申請日時所通用。為了美國專利實務,任何參考之專利案、專利申請案或公開案之內容在此完整併入本案以為參考資料(或其相等之美國版本亦併入本案以為參考資料),特別是有關於定義之揭示內容(至不與於此揭露內容中特別提供之任何定義不一致之程度)及此項技藝之一般知識。
此揭露內容中之數值範圍係大約,因此,除非其它指示,係可包括範圍外之數值。數值範圍包括從且包含下限及上限數值之所有數值,以一單位為增量,只要於任何較低值及較高值間具有至少二單位之分隔。舉例而言,若組成物、物理或其它性質,諸如,厚度等,係從100至1,000,則所有個別數值,諸如,100、101、102等,及次範圍,諸如,100至144、155至170、197至200等,係明確地被列舉。對於含有少於1或含有大於1之分數(例如,1.1、1.5等)數值之範圍,一單位被認為係0.0001、0.001、0.01,或0.1之適合者。對於含有少於10之單位數之數字的範圍(例如,1至5),一單位典型被認為係0.1。此等僅係特別意欲之例子,被列舉之最低數值及最高數值間之數值之所有可能組合,係被認為於此揭露內容中明確表示。數值範圍於此揭露內容中係提供用於組成物中組份之量、厚度等。
“單絲”及相似用辭意指單一連續股之具有大於10之長度對直徑比率之長材料。
“纖維”及相似用辭意指具有一般係圓的截面及大於10之長度對直徑比率之一長柱狀物的繞捲單絲。
纜線”及相似用辭意指於一保護套管或覆套內之至少一線料或光纖。典型上,一纜線係結合在一起之二或更多之線料或光纖,其典型上係於一共同之保護套管或覆套內。套管內之個別線料或纖維可為裸材、經覆蓋,或絕緣。組合式纜線可含有電線料及光纖。纜線等可設計成用於低、中,及高電壓之應用。典型之纜線設計係於USP 5,246,783、6,496,629,及6,714,707中例示。
“包圍”及相似用辭於纖維束之內容係意指於纖維束中間之纖維係由一纖維/樹脂複合物圍繞。
“平均厚度”及相似用辭於纖維束之纖維/樹脂複合物組份之內容係意指藉由以任何適合裝置於纖維束周圍之二或更多位置測量複合物厚度,然後,將測量總和除以測量次數而決定之纖維束之複合物組份的厚度。“平均厚度”及相似用辭於纖維束之鬆散纖維組份之內容係意指藉由以任何適合裝置於纖維束內之二或更多位置測量鬆散纖維組份之厚度,然後,將測量總和除以測量次數而決定之纖維素之鬆散纖維組份之厚度。
纖維
各種纖維可用於實施本發明,不受限地包括聚烯烴,例如,聚乙烯及聚丙烯纖維、耐綸纖維、聚酯纖維、玻璃纖維、石墨纖維、石英纖維、金屬纖維、陶瓷纖維、硼纖維、鋁纖維,及二或更多之此等或其它纖維之組合。纖維典型上可以於一捲線筒上之紗或紗束(其係一束個別單絲)獲得。纖維之丹尼數可依纖維之組成及纖維束之應用而改變,但典型上,其係於400與5,000TEX之間,更典型係於600與3,000TEX之間,且更典型係於700與2,500TEX之間。
代表性之聚烯烴纖維包括Honeywell之SPECTRA900聚乙烯纖維、DOW XLAtm
聚烯烴纖維。代表性之玻璃纖維包括Owens Corning之E-玻璃纖維OCSE 4121(1200或2400德士(tex)),及John Manville JM 473AT(2400德士)、473A(2400及1200德士)、PPG 4599(2400德士)。OCSE 4121係Single-End連續紗束(30型)家族之一進階構件。此產物係對於聚丙烯長纖維熱塑物(LFT)應用之使用而特別設計。OC SE 4121具有適於Direct-LFT方法而設計之化學。
以纖維束重量為基準,纖維束中之纖維量典型上係至少20,更典型係至少60且更典型係至少80,重量%(wt%)。以纖維束重量為基準,纖維束中之最大纖維量典型上不超過98,更典型係不超過98,且更典型係不超過90,重量%。
浸漬樹脂
各種類之可購得熱塑性樹脂可用於實施本發明,不受限地包括普遍已知且用於形成經纖維強化之聚合物塑料之樹脂。典型之熱塑性樹脂不受限地包括丙烯酸系樹脂、丙烯酸酯樹脂、環氧樹脂、碳酸酯樹脂、聚烯烴樹脂,及二或更多之此等及/或其它樹脂之組合。
用於實施本發明之聚烯烴樹脂係熱塑性,且包括聚烯烴均聚物及異種共聚物。聚烯烴均聚物之例子係乙烯及丙烯之均聚物。聚烯烴異種共聚物之例子係乙烯/α-烯烴異種共聚物及丙烯/α-烯烴異種共聚物。α-烯烴較佳係C3-20
線性、分支或環狀之α-烯烴(對於丙烯/α-烯烴異種共聚物,乙烯被認為係α-烯烴)。C3-20
α-烯烴之例子包括丙烯、1-丁烯、4-甲基-1-戊烯、1-己烯、1-辛烯、1-癸烯、1-十二烯、1-十四烯、1-十六烯,及1-十八烯。-烯烴亦可含有一環狀結構,諸如,環己烷或環戊烷,其造成α-烯烴,諸如,3-環己基-1-丙烯(烯丙基環己烷)及乙烯基環己烷。雖然於此用辭之傳統觀念不是α-烯烴,但為了本發明,某些環狀烯烴,諸如,降冰片烯及相關之烯烴,係α-烯烴,且可用以替代上述之某些或全部之-烯烴。相似地,苯乙烯及其相關之烯烴(例如,-甲基苯乙烯等)為了本發明係α-烯烴。例示之聚烯烴共聚物包括乙烯/丙烯、乙烯/丁烯、乙烯/1-己烯、乙烯/1-辛烯、乙烯/苯乙烯等。例示之三元共聚物包括乙烯/丙烯/1-辛烯、乙烯/丙烯/丁烯、乙烯/丁烯/1-辛烯,及乙烯/丁烯/苯乙烯。此等共聚物可為無規或嵌段。
聚烯烴樹脂亦可包含一或多個官能基團,諸如,一不飽和酯或酸,且此等聚烯烴係已知,且可藉由傳統高壓技術製備。不飽和酯可為烷基丙烯酸酯、烷基甲基丙烯酸酯,或乙烯基羧酸酯。烷基基團可具有1至8個碳原子,且較佳係具有1至4個碳原子。羧酸酯基團可具有2至8個碳原子,且較佳係具有2至5個碳原子。以共聚物重量為基準,共聚物之促成酯共單體之部份可於1至最高達50重量%之範圍。丙烯酸酯及甲基丙烯酸酯之例子係係丙烯酸乙酯、丙烯酸甲酯、甲基丙烯酸甲酯、丙烯酸第三丁酯、丙烯酸正丁酯、甲基丙烯酸正丁酯,及丙烯酸2-乙基己酯。乙烯基羧酸酯之例子係乙酸乙烯酯、丙酸乙烯酯,及丁酸乙烯酯。不飽和酸之例子包括丙烯酸類或馬來酸類。
官能基團亦可經由接枝而包含於聚烯烴中,此可如此項技藝普遍已知般完成。於一實施例,接枝可藉由自由基官能化發生,其典型上包括熔融摻合一烯烴聚合物、一自由基起始劑(諸如,一過氧化物等),及一含有一官能基團之化合物。於熔融摻合期間,自由基起始劑與烯烴聚合物反應(反應性熔融摻合)形成聚合物基。含有一官能基團之化合物與聚合物基團之主鏈鍵結形成一經官能化之聚合物。例示之含有官能基團之化合物不受限地包括烷氧基矽烷,例如,乙烯基三甲氧基矽烷、乙烯基三乙氧基矽烷,及乙烯基羧酸及酐,例如,馬來酸酐。
可用於本發明之聚烯烴之更特別例子包括極低密度聚乙烯(VLDPE)(例如,由陶氏化學公司製造之FLEXOMER乙烯/1-己烯聚乙烯)、均勻分支、線性之乙烯/-烯烴共聚物(例如,Mitsui Petrochemicals Company Limited之TAFMER及Exxon Chemical Company之EXACT)、均勻分支、實質上線性之乙烯/-烯烴聚合物(例如,可得自陶氏化學公司之AFFINITY及ENGAGE聚乙烯),及烯烴嵌段共聚物,諸如,於USP 7,355,089中所述者(例如,可得自陶氏化學公司之INFUSE)。更佳之聚烯烴共聚物係均勻分支線性及實質上線性之乙烯共聚物。實質上線性乙烯共聚物係特別佳,且係於USP 5,272,236、5,278,272及5,986,028中更完整說明。
可用於實施本發明之聚烯烴亦包括以丙烯、丁烯,及其它烯烴為主之共聚物,例如,包含大部份之自丙烯衍生之單元及小部份之自另一α-烯烴(包括乙烯)衍生之單元之共聚物。可用於實施本發明之例示丙烯聚合物包括可得自陶氏化學公司之VERSIFY聚合物,及可得自ExxonMobil Chemical Company之VISTAMAXX聚合物。
任何如上之烯烴彈性體之摻合物亦可用於本發明,且烯烴彈性體可以一或多種其它聚合物摻合或稀釋至於一較佳模式中,本發明之烯烴彈性體構成此摻合物之熱塑性聚合物組份之至少約50,較佳係至少約75且更佳係至少約80,重量%且維持其可撓性之程度。於一次佳模式且依尋求之其它性質而定,烯烴彈性體含量可為少於熱塑性聚合物組份之50%。於一實施例,浸漬樹脂係皆可得自陶氏化學公司之INSPIRE404或DOWH734-52RNA性能聚合物(聚丙烯),或可得自其它供應商之相似等級之聚丙烯樹脂。
用於實施本發明之樹脂可包括一或多種添加劑,以促進其加工處理及/或使用。典型添加劑包括相容性/偶合劑例如,DuPont之FUSABONDP353或Arkema之OREVACCA 100或Chemtura之POLYBOND3200;流動促進劑,例如,Borealis BORFLOW405或805或Dow AFFINITYGA 1950;色料,例如,Hubron Black Masterbatch PPB或Cabot PLASBLAK4045;以及抗氧化劑,例如,IRGANOX1010、IRGAFOS168及/或IRGANOXPS 802(由Ciba Specialty Chemicals供應)。此等及其它之添加劑可以傳統量及以傳統方式使用。
以纖維束重量為基準,纖維束中之樹脂(包括任何添加劑及/或填料)之量典型上係至少3,更典型係至少5且更典型係至少8,重量%(wt%)。以纖維束重量為基準,纖維束中之最大樹脂量典型上係不超過80,更典型係不超過60且更典型係不超過40,重量%。對於纖維束中較高濃度之樹脂,及因而之一較厚之硬或外殼,即,複合物,擠塑機之線速度被減慢以使樹脂有更多時間滲入纖維束。
製造纖維束之方法
於一實施例,現今於線料套管擠塑使用之任何線料套管生產線可用於實施本發明。因為設計之可利用性,此等生產線提供纜線製造商更大之應用彈性。典型上,樹脂係於擠塑機前端藉由直接化合而以所有組份配製。多個計量供料器可用以將樹脂及添加劑供應至擠塑機內。擠塑機螺桿可設為大於2.5:1之壓縮比率。螺桿內之混合元件若適合需被使用,且典型上僅需要最少混合元件。腔室溫度於擠塑機內之不同區域典型上設為100-220℃,且模具溫度典型上係所有區域中最高。擠塑速度典型上係3-15英呎/分鐘,其係依纖維之直徑而定。線速度之主要決定因素係所欲浸漬深度。樹脂典型上係滲入從纖維外周邊測量平均係半徑之至少1/3(或若非圓形之截面,則係1/3半徑之等量),且典型上從外周邊測量平均係不多於半徑之。
纖維束規格
第1圖例示本發明之一纖維束之一截面。纖維束10包含鬆散纖維11,其係包圍於纖維/樹脂複合物12內。如第1圖所示,複合物12之厚度於鬆散纖維11周圍無需為均一。典型上,複合物內之所有或基本上所有之纖維係連續,使得纖維束之模量達最大。纖維/樹脂複合物之平均厚度可改變,但典型上,其係纖維束半徑之至少1/3。複合物愈厚,纖維束可撓性愈少。纖維束之中央包含未以樹脂浸漬或僅最少浸漬之纖維,因此,係未經由樹脂基質彼此附接。
為作為一光纖纜線之一強度構件,典型上,纖維束會具有下列性質之一或多者:
1. 至少49吉帕斯卡(GPa)之模量。高模量係纖維裝填量(玻璃纖維)及纖維與基質間之黏著性之函數。
2. 纖維於複合物內係連續。為達成高模量要求,典型上,至少95%之纖維於複合物中需為連續。
3. 纖維係於纖維束之縱向定向。
4. 纖維/樹脂複合物包含從外周邊測量為纖維束半徑之至少1/3。
5. 複合物之樹脂與纖維牌之強烈黏著。
本發明經由下列實施例而更完整地說明。除非其它指示,所有份數及百分率皆係以重量。
材料
纖維係SPECTRA900,可得自Honeywell之具1,200丹尼數及120單絲之一超高分子量聚乙烯紗。纖維之熔融溫度係150℃,且纖維之其它性質係於第1表中報導。
樹脂係ENGAGE8200EG聚烯烴彈性體,具有0.870 g/cc之密度,5克/10分鐘之熔融指數,60℃之熔點,且可得自陶氏化學公司之一乙烯-辛烯共聚物。
纖維束建構方法
纖維束係使用具有5馬力的馬達及四個加熱區之一微線料之線擠塑機建構。纖維及樹脂係以1之重量比率混合。“硬殼”或浸漬複合物係控制於0.7-0.75 mm厚度。
擠塑機係裝設一單螺桿且以3:1之壓縮比率及25之長度/直徑比率操作。未使用混合元件。擠塑機區域溫度分佈係區域1為105℃,區域2為110℃,區域3為115℃,且模具為120℃。模具及導引器尖部係設為0.053英吋之孔隙,且螺桿係調為15轉/分鐘(rpm)。產生之纖維具有0.072英吋(1.829 mm)之外直徑。硬殼測量為0.71 mm厚度。
測試方法
纖維束之抗張性質係依據ASTM D638-03及塑料抗張性質之標準測試方法(Standard Test Method for Tensile Properties of Plastics),2008 Annual Book of ASTM Standards,Section 8,Vol. 08.01,ASTM International,West Conshohocken,PA,2008之程序測量。
測試結果
第2圖報導獲得之模量數據。結果超過49GPa(此係用於光纖纜線之CRP/FRP之現今規格,且於圖中係以黑線描述)。第3圖報導具2英吋測試跨距之一樣品3點彎曲測試之載重-偏斜測試數據。測試係於此實施例製造之樣品及今日產業上使用之傳統FRP樣品(2.5mm直徑)實施。
第3圖所示之載重對偏斜之數據(三點彎曲測試)證實藉由此實施例製造之樣品係比傳統FRP纖維束更具可撓性(且如第2圖所示,其抗張模量仍優於產業規格)。
雖然本發明已經由先前之較佳實施例說明而詳細說明,此細節主要係用於例示說明。許多變化及修改可由熟習此項技藝者於未偏離於下申請專利範圍中所述之精神及範圍下為之。
10...纖維束
11...鬆散纖維
12...纖維/PP之複合物
第1圖係本發明之一纖維束實施例之一示意截面。
第2圖係報導於實施例製備之樣品的模量之圖。
第3圖係報導於實施例製備之樣品之三點彎曲試測結果之圖。
10...纖維束
11...鬆散纖維
12...纖維/PP之複合物
Claims (8)
- 一種纜線,特徵在於:該纜線包含一經纖維強化之強度構件,其含有一纖維束,該纖維束包含複數個纖維,以使得該等纖維之一部分形成該纖維束之一內部,且該等纖維之一部分形成該纖維束之一外部,其中該纖維束之外部係以一樹脂浸漬,使得該纖維束之該外部的纖維以及該樹脂形成一纖維/樹脂複合物,且該纖維/樹脂複合物包圍著形成纖維束內部的鬆散纖維。
- 如申請專利範圍第1項之纜線,其中,該纖維束具有一半徑,且該複合物包含一平均厚度,其係該纖維束之該半徑之至少1/3。
- 如申請專利範圍第2項之纜線,其中,該纖維束具有一直徑,且於該纖維束內之該等鬆散纖維包含該纖維束之該平均直徑之至少1/10。
- 如申請專利範圍第3項之纜線,其中,以該纖維束總重量為基準,該等纖維包含該纖維束之20與95%之間。
- 如申請專利範圍第4項之纜線,其中,以該纖維束總重量為基準,該樹脂包含該纖維束之5與80%之間。
- 如申請專利範圍第5項之纜線,其中,該等鬆散纖維及纖維/樹脂複合物二者之該等纖維包含聚烯烴、耐綸、聚酯、玻璃、石墨、石英、金屬,及陶瓷之至少一者。
- 如申請專利範圍第6項之纜線,其中,該樹脂係一聚烯烴聚合物。
- 如申請專利範圍第1項之纜線,其作為一光纖纜線。
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