CN113621195A - 一种热缩带基片材料、玻纤增强热缩带基片及其制备方法 - Google Patents
一种热缩带基片材料、玻纤增强热缩带基片及其制备方法 Download PDFInfo
- Publication number
- CN113621195A CN113621195A CN202110965089.5A CN202110965089A CN113621195A CN 113621195 A CN113621195 A CN 113621195A CN 202110965089 A CN202110965089 A CN 202110965089A CN 113621195 A CN113621195 A CN 113621195A
- Authority
- CN
- China
- Prior art keywords
- glass fiber
- heat
- parts
- tape substrate
- shrinkable tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003365 glass fiber Substances 0.000 title claims abstract description 126
- 239000000758 substrate Substances 0.000 title claims abstract description 114
- 239000000463 material Substances 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 34
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 19
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 claims abstract description 15
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 14
- 229920000092 linear low density polyethylene Polymers 0.000 claims abstract description 14
- 239000004707 linear low-density polyethylene Substances 0.000 claims abstract description 14
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 13
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims description 47
- 239000004698 Polyethylene Substances 0.000 claims description 31
- 239000008187 granular material Substances 0.000 claims description 30
- -1 polyethylene Polymers 0.000 claims description 30
- 229920000573 polyethylene Polymers 0.000 claims description 30
- 238000013329 compounding Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 15
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 14
- 238000004132 cross linking Methods 0.000 claims description 10
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical group CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000009941 weaving Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000002530 phenolic antioxidant Substances 0.000 claims 2
- 230000032683 aging Effects 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 7
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 6
- 230000035882 stress Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- OJOWICOBYCXEKR-KRXBUXKQSA-N (5e)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C/C)/CC1C=C2 OJOWICOBYCXEKR-KRXBUXKQSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Images
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
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/582—Tearability
- B32B2307/5825—Tear resistant
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/16—Ethene-propene or ethene-propene-diene copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/064—VLDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
本发明公开了一种热缩带基片材料、玻纤增强热缩带基片和制备方法,解决了现有技术中的热缩带基片强度较低,耐磨性差的技术问题。所述热缩带基片材料包括下述重量份的原料:低密度聚乙烯30‑50份,线性低密度聚乙烯10‑20份,超低密度聚乙烯15‑50份,三元乙丙橡胶10‑20份,抗氧剂0.1‑0.3份,助交联剂0.4‑0.6份。本发明的玻纤增强热缩带基片具有破裂强度高、耐老化、耐酸碱性能良好的优势,并且可操作性好,排气功能强,固定片处无滑移现象,满足玻纤增强热缩带外观要求。
Description
技术领域
本发明涉及新材料技术领域,具体涉及一种热缩带基片材料、玻纤增强热缩带基片和制备方法。
背景技术
世界上的油气管道建设要求管径大于711mm的管道应开山劈水采取直埋的方式敷设,如果采用大开挖的方式则对自然环境破坏严重而且施工速度慢,所以大管径管道的建设中,定向钻穿越的应用越来越广泛。定向钻穿越时,油气管道在回拖的过程中要承受泥浆带来的巨大摩擦力,尤其是在管道的补口处热缩套搭盖了部分主体防腐,使得套子的外径大于主体管道的外径,回拖摩擦力更大。如果补口热缩套没有很好的保护措施,在穿越时会出现表面破损、划伤、翘边、泥浆渗入等现象,严重影响钢管道的防腐。国内外大多数厂家采用在补口热缩套一端再烧一套材质相同的热缩套以保护补口热缩套,但现有技术中的热缩套采用的材质一般是经过交联的纯PE材料,其强度较低,耐磨性差,在穿越时很难保证热缩套不被损坏。
发明内容
本发明的目的在于提供一种热缩带基片材料、玻纤增强热缩带基片和制备方法,以解决现有技术中热缩带基片强度较低,耐磨性差的技术问题。
为实现上述目的,本发明提供了以下技术方案:
本发明提供的一种热缩带基片材料,包括下述重量份的原料:低密度聚乙烯30-50份,线性低密度聚乙烯10-20份,超低密度聚乙烯15-50份,三元乙丙橡胶10-20份,抗氧剂0.1-0.3份,助交联剂0.4-0.6份。
进一步的,各原料的重量份分别为:低密度聚乙烯35-45份,线性低密度聚乙烯12-18份,超低密度聚乙烯25-35份,三元乙丙橡胶12-18份,抗氧剂0.15-0.25份,助交联剂0.45-0.55份。
进一步的,各原料的重量份分别为:低密度聚乙烯40份,线性低密度聚乙烯15份,超低密度聚乙烯30份,三元乙丙橡胶15份,抗氧剂0.2份,助交联剂0.5份。
进一步的,所述抗氧剂包括受阻酚类抗氧剂和亚磷酸酯类抗氧剂,所述受阻酚类抗氧剂和亚磷酸酯类抗氧剂的重量比为2-4:1-2。
进一步的,所述助交联剂为三甲基丙烯酸三羟甲基丙烷酯。
本发明提供的一种玻纤增强热缩带基片,从外到内依次包括热缩带基片材料外层、玻纤网布层、热缩带基片材料内层;所述热缩带基片材料外层和热缩带基片材料内层均由上述的热缩带基片材料制备。
进一步的,所述玻纤网布层中的玻纤网布是由经向的聚乙烯丝和纬向的无碱玻纤纱编织而成;所述聚乙烯丝的单丝直径为0.25-0.35毫米,一平方厘米范围内至少有22根聚乙烯单丝;所述无碱玻纤纱的单丝直径为5-6微米,捻度为200-300捻/m,一平方厘米范围内至少有7根玻璃纤维纱,每根玻璃纤维纱至少包括15股无碱玻璃纤维。
本发明提供的玻纤增强热缩带基片的制备方法,包括下述步骤:
S1、准备热缩带基片材料的原料:按配比称取各原料,混合均匀并经双螺杆造粒制成粒状,得粒料;
S2、准备玻纤网布:经向为聚乙烯丝,纬向为无碱玻纤纱,编织成网布,按一平方厘米范围内至少有22根聚乙烯单丝;一平方厘米范围内至少有7根玻璃纤维纱进行编织;
S3、将步骤S2编织好的玻纤网布经电子加速器辐照交联,剂量大小为20千戈瑞;
S4、将步骤S1制得的粒料烘干;
S5、在复合机上将玻纤网布用辊筒预热(预热辊温度120℃),将步骤S4中烘干后的粒料加热到熔融态后复合到步骤S3处理后的玻纤网布的顶面上,复合后总厚度1.2-1.3mm;复合完成后再将加热到熔融态的粒料复合玻纤网布的底面上,复合后所得基片的总厚度1.8-1.9mm;
S6、将步骤S5所得的基片经过电子加速器辐照交联,剂量大小为25-20千戈瑞,得到玻纤增强热缩带基片。
进一步的,所述步骤S5中,复合机的温度设置如下:
模头:一区215±20℃;二区215±20℃;三区230±20℃;四区225±20℃;五区230±20℃;六区215±20℃;七区215±20℃;
机筒:一区115±20℃;二区140±20℃;三区175±20℃;四区185±20℃;五区190±20℃;六区190±20℃;七区205±20℃;连接头加热区:220±20℃,升温至以上规定值后恒温35-45min。
进一步的,所述步骤S5中,将玻纤网布用辊筒预热时,预热辊的温度为115-125℃。
基于上述技术方案,本发明实施例至少可以产生如下技术效果:
本发明提供的热缩带基片材料、玻纤增强热缩带基片和制备方法,得到的玻纤增强热缩带基片,较好的解决了强度和耐穿刺、耐磨的问题,是穿越用补口材料的首选。本发明引进了编织纬向的剥离纤维纱,玻璃纤维纱的单丝抗张强度达到60MPa,足够密集的编织密度赋予了玻纤网强大的撕裂强度,由该网经聚乙烯复合而成的玻纤增强热缩带基片老化前破裂强度达到2500N,老化后破裂强度达到2200N。众所周知,聚乙烯和玻璃纤维材质本身具有很强的抗化学介质腐蚀能力,由两种材料复合而成的玻纤增强热缩带基片有很高的耐化学介质腐蚀性能,经过7天一定浓度的酸碱盐浸泡后,破裂强度能保证达到标准要求的1700N。聚乙烯丝生产过程中在热水中进行了二次拉伸,这个工艺赋予了聚乙烯丝很强的收缩应力,该应力是玻纤热缩基片收缩的主动力。实际安装操作发现,基片收缩有力,排气功能强,固定片处无滑移现象,满足玻纤增强热缩带外观要求。
附图说明
图1为本发明实施例和对比例中的基片的结构示意图。
图中:1、热缩带基片材料外层;2、玻纤网布层;3、热缩带基片材料内层。
具体实施方式
一、原料说明
下述实施例和对比例中采用的超低密度聚乙烯、线性低密度聚乙烯和三元乙丙橡胶为:
超低密度聚乙烯:密度为;密度为0.88克/cm3;低密度聚乙烯的密度为:0.918克/cm3;熔融指数为:0.3克/10分钟;
线性低密度聚乙烯:乙烯和辛烯共聚物,密度为0.934克/cm3,熔融指数为:2克/10分钟;
三元乙丙橡胶:密度为0.92克/cm3,125℃门尼粘度为10,乙烯基含量90%,乙叉降冰片烯含量4.5%。
二、制备实施例:
(一)、热缩带基片材料
实施例1:
一种热缩带基片材料,包括下述重量份的原料:低密度聚乙烯30份,线性低密度聚乙烯10份,超低密度聚乙烯50份,三元乙丙橡胶10份,抗氧剂0.2份,助交联剂0.5份;
抗氧剂:包括受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168,所述受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168的重量比为2:1;
助交联剂:三甲基丙烯酸三羟甲基丙烷酯,牌号为SR-351。
实施例2:
一种热缩带基片材料,包括下述重量份的原料:低密度聚乙烯50份,线性低密度聚乙烯20份,超低密度聚乙烯15份,三元乙丙橡胶20份,抗氧剂0.3份,助交联剂0.4份;
抗氧剂:包括受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168,所述受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168的重量比为4:1;
助交联剂:三甲基丙烯酸三羟甲基丙烷酯,牌号为SR-351。
实施例3:
一种热缩带基片材料,包括下述重量份的原料:低密度聚乙烯45份,线性低密度聚乙烯12份,超低密度聚乙烯25份,三元乙丙橡胶18份,抗氧剂0.15份,助交联剂0.55份;
抗氧剂:包括受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168,所述受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168的重量比为1:1;
助交联剂:三甲基丙烯酸三羟甲基丙烷酯,牌号为SR-351。
实施例4:
一种热缩带基片材料,包括下述重量份的原料:低密度聚乙烯35份,线性低密度聚乙烯18份,超低密度聚乙烯35份,三元乙丙橡胶12份,抗氧剂0.25份,助交联剂0.45份;
抗氧剂:包括受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168,所述受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168的重量比为3:2;
助交联剂:三甲基丙烯酸三羟甲基丙烷酯,牌号为SR-351。
实施例5:
一种热缩带基片材料,包括下述重量份的原料:低密度聚乙烯40份,线性低密度聚乙烯15份,超低密度聚乙烯30份,三元乙丙橡胶15份,抗氧剂0.2份,助交联剂0.5份;
抗氧剂:包括受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168,所述受阻酚类抗氧剂1010和亚磷酸酯类抗氧剂168的重量比为2:1;
助交联剂:三甲基丙烯酸三羟甲基丙烷酯,牌号为SR-351。
(二)、玻纤增强热缩带基片
如图1所示:
实施例6:
一种玻纤增强热缩带基片,从外到内依次包括热缩带基片材料外层1、玻纤网布层2、热缩带基片材料内层3;所述热缩带基片材料外层1和热缩带基片材料内层3均由实施例1中的热缩带基片材料制备。
在本实施例中,所述玻纤网布层2中的玻纤网布是由经向的聚乙烯丝和纬向的无碱玻纤纱编织而成,所述聚乙烯丝的单丝直径为0.29毫米,一平方厘米范围内有22根聚乙烯单丝;所述无碱玻纤纱的单丝直径为5.5微米,捻度为250捻/m,一平方厘米范围内有7根玻璃纤维纱,每根玻璃纤维纱包括15股无碱玻璃纤维。
本实施例中的玻纤增强热缩带基片的制备方法,包括下述步骤:
S1、准备热缩带基片材料的原料:按配比称取各原料,混合均匀并经双螺杆造粒制成粒状,得粒料;
S2、准备玻纤网布:经向为聚乙烯丝,纬向为无碱玻纤纱,编织成网布,按一平方厘米范围内有22根聚乙烯单丝;一平方厘米范围内有7根玻璃纤维纱进行编织,即编织密度为:22(经向)*7(纬向);
S3、将步骤S2编织好的玻纤网布经电子加速器辐照交联,剂量大小为20千戈瑞;
S4、将步骤S1制得的粒料烘干;
S5、在复合机上将玻纤网布用辊筒预热(预热辊的温度为115-125℃),将步骤S4中烘干后的粒料加热到熔融态后复合到步骤S3处理后的玻纤网布的顶面上,复合后总厚度1.3mm;复合完成后再将加热到熔融态的粒料复合玻纤网布的底面上,复合后所得基片的总厚度1.8mm;
复合机的温度设置如下:
模头:一区215±20℃;二区215±20℃;三区230±20℃;四区225±20℃;五区230±20℃;六区215±20℃;七区215±20℃;
机筒:一区115±20℃;二区140±20℃;三区175±20℃;四区185±20℃;五区190±20℃;六区190±20℃;七区205±20℃;连接头加热区:220±20℃,升温至以上规定值后恒温40min;
S6、将步骤S5所得的基片经过电子加速器辐照交联,剂量大小为25千戈瑞,得到玻纤增强热缩带基片。
实施例7:
一种玻纤增强热缩带基片,从外到内依次包括热缩带基片材料外层1、玻纤网布层2、热缩带基片材料内层3;所述热缩带基片材料外层1和热缩带基片材料内层3均由实施例2中的热缩带基片材料制备。
在本实施例中,所述玻纤网布层2中的玻纤网布是由经向的聚乙烯丝和纬向的无碱玻纤纱编织而成;所述聚乙烯丝的单丝直径为0.25毫米,一平方厘米范围内有22根聚乙烯单丝;所述无碱玻纤纱的单丝直径为5微米,捻度为300捻/m,一平方厘米范围内有7根玻璃纤维纱,每根玻璃纤维纱包括20股无碱玻璃纤维。
本实施例中的玻纤增强热缩带基片的制备方法,包括下述步骤:
S1、准备热缩带基片材料的原料:按配比称取各原料,混合均匀并经双螺杆造粒制成粒状,得粒料;
S2、准备玻纤网布:经向为聚乙烯丝,纬向为无碱玻纤纱,编织成网布,按一平方厘米范围内有22根聚乙烯单丝;一平方厘米范围内有7根玻璃纤维纱进行编织,即编织密度为:22(经向)*7(纬向);
S3、将步骤S2编织好的玻纤网布经电子加速器辐照交联,剂量大小为20千戈瑞;
S4、将步骤S1制得的粒料烘干;
S5、在复合机上将玻纤网布用辊筒预热(预热辊的温度为115-125℃),将步骤S4中烘干后的粒料加热到熔融态后复合到步骤S3处理后的玻纤网布的顶面上,复合后总厚度1.2mm;复合完成后再将加热到熔融态的粒料复合玻纤网布的底面上,复合后所得基片的总厚度1.8mm;
复合机的温度设置如下:
模头:一区215±20℃;二区215±20℃;三区230±20℃;四区225±20℃;五区230±20℃;六区215±20℃;七区215±20℃;
机筒:一区115±20℃;二区140±20℃;三区175±20℃;四区185±20℃;五区190±20℃;六区190±20℃;七区205±20℃;连接头加热区:220±20℃,升温至以上规定值后恒温40min;
S6、将步骤S5所得的基片经过电子加速器辐照交联,剂量大小为25千戈瑞,得到玻纤增强热缩带基片。
实施例8:
一种玻纤增强热缩带基片,从外到内依次包括热缩带基片材料外层1、玻纤网布层2、热缩带基片材料内层3;所述热缩带基片材料外层1和热缩带基片材料内层3均由实施例3中的热缩带基片材料制备。
在本实施例中,所述玻纤网布层2中的玻纤网布是由经向的聚乙烯丝和纬向的无碱玻纤纱编织而成;所述聚乙烯丝的单丝直径为0.35毫米,一平方厘米范围内有22根聚乙烯单丝;所述无碱玻纤纱的单丝直径为6微米,捻度为200捻/m,一平方厘米范围内有7根玻璃纤维纱,每根玻璃纤维纱包括25股无碱玻璃纤维。
本实施例中的玻纤增强热缩带基片的制备方法,包括下述步骤:
S1、准备热缩带基片材料的原料:按配比称取各原料,混合均匀并经双螺杆造粒制成粒状,得粒料;
S2、准备玻纤网布:经向为聚乙烯丝,纬向为无碱玻纤纱,编织成网布,按一平方厘米范围内有22根聚乙烯单丝;一平方厘米范围内有7根玻璃纤维纱进行编织,即编织密度为:22(经向)*7(纬向);
S3、将步骤S2编织好的玻纤网布经电子加速器辐照交联,剂量大小为20千戈瑞;
S4、将步骤S1制得的粒料烘干;
S5、在复合机上将玻纤网布用辊筒预热(预热辊的温度为115-125℃),将步骤S4中烘干后的粒料加热到熔融态后复合到步骤S3处理后的玻纤网布的顶面上,复合后总厚度1.3mm;复合完成后再将加热到熔融态的粒料复合玻纤网布的底面上,复合后所得基片的总厚度1.9mm;
复合机的温度设置如下:
模头:一区215±20℃;二区215±20℃;三区230±20℃;四区225±20℃;五区230±20℃;六区215±20℃;七区215±20℃;
机筒:一区115±20℃;二区140±20℃;三区175±20℃;四区185±20℃;五区190±20℃;六区190±20℃;七区205±20℃;连接头加热区:220±20℃,升温至以上规定值后恒温40min;
S6、将步骤S5所得的基片经过电子加速器辐照交联,剂量大小为20千戈瑞,得到玻纤增强热缩带基片。
实施例9:
本实施例与实施例6不同的是:所述热缩带基片材料外层1和热缩带基片材料内层3均由实施例4中的热缩带基片材料制备,其他均与实施例6相同;得到玻纤增强热缩带基片。
实施例10:
本实施例与实施例6不同的是:所述热缩带基片材料外层1和热缩带基片材料内层3均由实施例5中的热缩带基片材料制备,其他均与实施例6相同;得到玻纤增强热缩带基片。
三、对比例:
如图1所示:
对比例1:
对比例1与实施例6不同的是:一平方厘米范围内有18根聚乙烯单丝和5根玻璃纤维纱;其他与实施例6相同。
对比例2:
对比例1与实施例6不同的是:进行热缩带基片材料制备时,应用的抗氧剂为受阻酚类抗氧剂1010;其他与实施例6相同。
对比例3:
对比例1与实施例6不同的是:进行热缩带基片材料制备时,没有加入超低密度聚乙烯;其他与实施例6相同。
四、实验例:
1、检测实施例6-10以及对比例1-3中所得的玻纤增强热缩带基片的性能
①检测玻纤增强热缩带基片老化前、后的破裂强度,检测标准为GB/T20027.1,检测结果如下表1所示;
②将待检测玻纤增强热缩带基片常温浸泡在酸溶液中7天,清洗后检测经过酸溶液处理后的基片的老化前、后的破裂强度,检测标准为GB/T 20027.1,检测结果如下表1所示;
③将待检测玻纤增强热缩带基片常温浸泡在碱溶液中7天,清洗后检测经过碱溶液处理后的基片的老化前、后的破裂强度,检测标准为GB/T 20027.1,检测结果如下表1所示;
④检测玻纤增强热缩带基片排气功能,检测方法是收缩过程中目测是否有气泡产生,收缩完成后,用手指轻轻敲击看是否有气泡产生,检测结果如下表1所示;
⑤可操作性,检测方法为:1、玻纤增强热收缩带在收缩过程中优于应力比较大容易产生纵向折皱,如果有肉眼可见明显折皱,将被判定为可操作性不强,反之可操作性强;2、玻纤增强热收缩带采用固定片固定,有些热收缩带应力太大,导致固定片滑移,该现象也称之可操作性不强,反之可操作性强;检测结果如下表1所示;
表1实施例和对比例中热缩带基片的性能检测结果表
Claims (10)
1.一种热缩带基片材料,其特征在于,包括下述重量份的原料:低密度聚乙烯 30-50份,线性低密度聚乙烯10-20份,超低密度聚乙烯15-50份,三元乙丙橡胶10-20份,抗氧剂0.1-0.3份,助交联剂0.4-0.6份。
2.根据权利要求1所述的热缩带基片材料,其特征在于,各原料的重量份分别为:低密度聚乙烯 35-45份,线性低密度聚乙烯12-18份,超低密度聚乙烯25-35份,三元乙丙橡胶12-18份,抗氧剂0.15-0.25份,助交联剂0.45-0.55份。
3.根据权利要求1所述的热缩带基片材料,其特征在于,各原料的重量份分别为:低密度聚乙烯 40份,线性低密度聚乙烯15份,超低密度聚乙烯30份,三元乙丙橡胶15份,抗氧剂0.2份,助交联剂0.5份。
4.根据权利要求1所述的热缩带基片材料,其特征在于,所述抗氧剂包括受阻酚类抗氧剂和亚磷酸酯类抗氧剂,所述受阻酚类抗氧剂和亚磷酸酯类抗氧剂的重量比为2-4:1-2。
5.根据权利要求1所述的热缩带基片材料,其特征在于,所述助交联剂为三甲基丙烯酸三羟甲基丙烷酯。
6.一种玻纤增强热缩带基片,其特征在于,从外到内依次包括热缩带基片材料外层、玻纤网布层、热缩带基片材料内层;所述热缩带基片材料外层和热缩带基片材料内层均由权利要求1-5中任意一项所述的热缩带基片材料制备。
7.根据权利要求6所述的玻纤增强热缩带基片,其特征在于,所述玻纤网布层中的玻纤网布是由经向的聚乙烯丝和纬向的无碱玻纤纱编织而成;所述聚乙烯丝的单丝直径为0.25-0.35毫米,一平方厘米范围内至少有22根聚乙烯单丝;所述无碱玻纤纱的单丝直径为5-6微米,捻度为200-300捻/m,一平方厘米范围内至少有7根玻璃纤维纱,每根玻璃纤维纱至少包括15股无碱玻璃纤维。
8.根据权利要求6或7所述的玻纤增强热缩带基片的制备方法,其特征在于,包括下述步骤:
S1、准备热缩带基片材料的原料:按配比称取各原料,混合均匀并经双螺杆造粒制成粒状,得粒料;
S2、准备玻纤网布:经向为聚乙烯丝,纬向为无碱玻纤纱,编织成网布,按一平方厘米范围内至少有22根聚乙烯单丝;一平方厘米范围内至少有7根玻璃纤维纱进行编织;
S3、将步骤S2编织好的玻纤网布经电子加速器辐照交联,剂量大小为20千戈瑞;
S4、将步骤S1制得的粒料烘干;
S5、在复合机上将玻纤网布用辊筒预热(预热辊温度120℃),将步骤S4中烘干后的粒料加热到熔融态后复合到步骤S3处理后的玻纤网布的顶面上,复合后总厚度1.2-1.3mm;复合完成后再将加热到熔融态的粒料复合玻纤网布的底面上,复合后所得基片的总厚度1.8-1.9mm;
S6、将步骤S5所得的基片经过电子加速器辐照交联,剂量大小为25-20千戈瑞,得到玻纤增强热缩带基片。
9.根据权利要求8所述的玻纤增强热缩带基片的制备方法,其特征在于,所述步骤S5中,复合机的温度设置如下:
模头:一区215±20℃;二区215±20℃;三区230±20℃;四区225±20℃;五区230±20℃;六区215±20℃;七区215±20℃;
机筒:一区115±20℃;二区140±20℃;三区175±20℃;四区185±20℃;五区190±20℃;六区190±20℃;七区205±20℃;连接头加热区:220±20℃,升温至以上规定值后恒温35-45min。
10.根据权利要求8所述的玻纤增强热缩带基片的制备方法,其特征在于,所述步骤S5中,将玻纤网布用辊筒预热时,预热辊的温度为115-125℃。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110965089.5A CN113621195A (zh) | 2021-08-20 | 2021-08-20 | 一种热缩带基片材料、玻纤增强热缩带基片及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110965089.5A CN113621195A (zh) | 2021-08-20 | 2021-08-20 | 一种热缩带基片材料、玻纤增强热缩带基片及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113621195A true CN113621195A (zh) | 2021-11-09 |
Family
ID=78387140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110965089.5A Pending CN113621195A (zh) | 2021-08-20 | 2021-08-20 | 一种热缩带基片材料、玻纤增强热缩带基片及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113621195A (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0959392A (ja) * | 1995-08-22 | 1997-03-04 | Sumitomo Electric Ind Ltd | ポリオレフィン系樹脂組成物とそれを用いた絶縁電線および熱収縮チューブ |
CN101463158A (zh) * | 2008-12-31 | 2009-06-24 | 深圳市长园长通热缩材料有限公司 | 管道防腐用不拉伸热缩带基材及其制备方法 |
CN204829081U (zh) * | 2015-07-03 | 2015-12-02 | 成都长江热缩材料有限公司 | 一种热缩套管 |
-
2021
- 2021-08-20 CN CN202110965089.5A patent/CN113621195A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0959392A (ja) * | 1995-08-22 | 1997-03-04 | Sumitomo Electric Ind Ltd | ポリオレフィン系樹脂組成物とそれを用いた絶縁電線および熱収縮チューブ |
CN101463158A (zh) * | 2008-12-31 | 2009-06-24 | 深圳市长园长通热缩材料有限公司 | 管道防腐用不拉伸热缩带基材及其制备方法 |
CN204829081U (zh) * | 2015-07-03 | 2015-12-02 | 成都长江热缩材料有限公司 | 一种热缩套管 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101649524B (zh) | 复合型玻璃纤维织物及其制作方法 | |
KR101311105B1 (ko) | 성형가공성이 우수한 고기능 폴리에틸렌 섬유 | |
WO2006025357A1 (ja) | 複合弾性糸、手袋、及びすかし模様を有する伸縮性布帛 | |
EP0062491A2 (en) | Polymers in matrix reinforcement | |
CN113773765A (zh) | 丁基压敏胶及应用该丁基压敏胶的预铺防水卷材 | |
JP5012089B2 (ja) | 炭素繊維前駆体繊維束およびその製造方法 | |
WO2020125813A1 (zh) | 一种玻璃纤维织物及其制备方法 | |
US5780152A (en) | High temperature resistant blended yarn | |
JP2604347B2 (ja) | 被覆された伸長鎖のポリエチレン繊維 | |
CN108825892A (zh) | 一种软管 | |
CN113621195A (zh) | 一种热缩带基片材料、玻纤增强热缩带基片及其制备方法 | |
BRPI0710336A2 (pt) | pano elástico, traje e método para confeccionar um pano nelástico dimensionalmente estável | |
TW202130866A (zh) | 熱塑性聚氨酯纖維及其製作方法 | |
JP3523828B2 (ja) | 管路内面ライニングチューブ基材および管路内面ライニングチューブ | |
KR101850704B1 (ko) | 시멘트계 복합체 구조용 합성섬유 및 이의 제조방법 | |
CN111455540B (zh) | 一种亲肤轻质高强度的面料及其制备工艺 | |
CN111441178B (zh) | 一种自清洁膜结构及其制备方法 | |
CN211446817U (zh) | 一种防划割防刺穿材料与橡胶坝 | |
Yao et al. | Influnence of hot-pressing temperature on the formation of aramid paper | |
KR20230162831A (ko) | 수지함침성 및 시공성이 개선된 비굴착 보수튜브 | |
KR101940013B1 (ko) | 중공 가연사의 제조방법 | |
CN216466694U (zh) | 一种新型耐高温的预氧丝毡 | |
BR112014013510B1 (pt) | Fio útil em proteção contra fogo, tecidos planos, vestimentas de proteção e método de produção de um fio fiado resistente ao fogo | |
KR870000534B1 (ko) | 고강도 고탄성 탄소섬유 및 그 제조방법 | |
CN211763957U (zh) | 一种高阻燃玻璃纤维针织布 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211109 |