CN109369854A - A kind of EPDM/PE mixture of high gel content and preparation method thereof, preparation facilities - Google Patents

A kind of EPDM/PE mixture of high gel content and preparation method thereof, preparation facilities Download PDF

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Publication number
CN109369854A
CN109369854A CN201810950959.XA CN201810950959A CN109369854A CN 109369854 A CN109369854 A CN 109369854A CN 201810950959 A CN201810950959 A CN 201810950959A CN 109369854 A CN109369854 A CN 109369854A
Authority
CN
China
Prior art keywords
parts
epdm
mixture
gel content
high gel
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
Application number
CN201810950959.XA
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Chinese (zh)
Inventor
张建康
蒋周山
储强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU HENGFENG CABLE CO Ltd
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JIANGSU HENGFENG CABLE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGSU HENGFENG CABLE CO Ltd filed Critical JIANGSU HENGFENG CABLE CO Ltd
Priority to CN201810950959.XA priority Critical patent/CN109369854A/en
Publication of CN109369854A publication Critical patent/CN109369854A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • C08F255/06—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms on to ethene-propene-diene terpolymers
    • 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
    • B29B7/002—Methods
    • B29B7/005—Methods for mixing in batches
    • 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
    • B29B7/94—Liquid charges
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of EPDM/PE mixture of high gel content, the component including following parts by weight: EPDM70 ~ 80 part, PE20 ~ 30 part, GMA1 parts, 0.5 ~ 0.8 part, LCP0.1 parts of adjacent divinylbenzene, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.3 ~ 0.5 part.Meanwhile the invention also discloses the preparation methods and preparation facilities of above-mentioned EPDM/PE mixture.EPDM/PE mixture gel content produced by the present invention is high, and tensile strength is big, and thermal deformation is low, and heat resistance greatly improves.

Description

A kind of EPDM/PE mixture of high gel content and preparation method thereof, preparation facilities
Technical field
The invention belongs to wire and cable preparation fields, and in particular to a kind of EPDM/PE mixture of high gel content and its Preparation method, preparation facilities.
Background technique
Wire and cable is to transmit electric (magnetic) energy, information and the wire product for realizing electromagnetic energy conversion.The electric wire electricity of broad sense Cable is also referred to simply as cable, and the cable of narrow sense refers to insulated cable, it may be defined as: the aggregate consisted of following parts；One Or the clad that a plurality of insulated core and each may have, total protective layer and outer jacket, cable can also have additional The conductor not insulated.And the clad of these wire and cables is mostly rubber material, currently, ethylene propylene diene rubber (EPDM) is The most-often used material of wire and cable clad.EPDM/PE(polyethylene) be EPDM and PE blend, have preferable physics Mechanical performance, at that time, traditional EPDM/PE is surveyed, and gel content is lower, influences its use scope.
Summary of the invention
Goal of the invention: in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of EPDM/ of high gel content PE mixture.
Another object of the present invention is to provide the preparation methods of above-mentioned EPDM/PE mixture.
The invention also discloses the screw extruders for preparing above-mentioned EPDM/PE mixture.
Technical solution: in order to achieve the above object of the invention, the present invention is specifically achieved like this: a kind of high gel content EPDM/PE mixture, the component including following parts by weight: EPDM70 ~ 80 part, PE20 ~ 30 part, GMA(methacrylic acid contracting Water glyceride) 1 part, 0.5 ~ 0.8 part of adjacent divinylbenzene, LCP(polyparaphenylene terephthalamide) 0.1 part, mineral oil 30 Part, 10 parts of chlorinated butyl, DCP(cumyl peroxide) 0.3 ~ 0.5 part.
A kind of preferred embodiment, the EPDM/PE mixture are composed of the following parts by weight: EPDM75 parts, PE25 Part, GMA1 parts, 0.6 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.4 parts.
Prepare the EPDM/PE mixture of above-mentioned high gel content, comprising the following steps:
(1) stand-by by each raw material of formula measurement；
(2) by EPDM, PE, GMA, adjacent divinylbenzene, LCP, DCP mixing 5 ~ screw extruder is added after ten minutes；
(3) when running in screw extruder to screw extruder length 1/3 when above-mentioned raw materials, to screw extruder at this Interior addition mineral oil and chlorinated butyl continue to run until squeezing out completely out of screw extruder.
Wherein, the screw extruder is divided into 12 thermotonus areas, 12 thermotonuses from inlet according to its length Section length is identical, and it is 100 DEG C that temperature, which is set gradually, and 120 DEG C, 130 DEG C, 160 DEG C, 170 DEG C, 180 DEG C, 190 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 200 DEG C, 180 DEG C.
A kind of preparation facilities of the EPDM/PE mixture for high gel content, including the screw rod with cylindrical barrel One end of extruder, the cylinder is equipped with No.1 loading hopper, and No. two loading hoppers, institute are equipped on the cylinder of No.1 loading hopper side Stating the spacing between No. two loading hoppers and No.1 loading hopper is the 1/3 of barrel lenght.
Wherein, the diameter of the cylinder and length ratio are 1:48.
The utility model has the advantages that the present invention compared with traditional technology, has the advantage that
(1) inventive formulation component science, design rationally, reach good gel by the interaction between each raw material and contain Amount；
(2) present invention has added adjacent divinylbenzene and peroxide in the blend, can greatly improve gel after reactive extrursion Content；
(3) preparation facilities provided by the invention can satisfy main material and subsequent addition material be added in different time for needs, And good temperature control effect can be reached；
(4) inventive gel content is high, and tensile strength is big, and thermal deformation is low, and heat resistance greatly improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of preparation facilities of the present invention.
Specific embodiment
Embodiment 1:
The EPDM/PE mixture of high gel content, is composed of the following parts by weight: EPDM70 parts, PE30 parts, and GMA1 Part, 0.5 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.3 parts.
Embodiment 2:
The EPDM/PE mixture of high gel content, is composed of the following parts by weight: EPDM80 parts, PE20 parts, and GMA1 Part, 0.8 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.5 parts.
Embodiment 3:
The EPDM/PE mixture of high gel content, is composed of the following parts by weight: EPDM75 parts, PE25 parts, and GMA1 Part, 0.6 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.4 parts.
Embodiment 4:
The EPDM/PE mixture of high gel content, is composed of the following parts by weight: EPDM72 parts, PE26 parts, and GMA1 Part, 0.7 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.35 parts.
Embodiment 5:
The EPDM/PE mixture of high gel content, is composed of the following parts by weight: EPDM78 parts, PE24 parts, and GMA1 Part, 0.6 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.45 parts.
Embodiment 6:
The method for preparing the EPDM/PE mixture of high gel content: it is stand-by that each raw material is measured by formula；It is adjacent by EPDM, PE, GMA Divinylbenzene, LCP, DCP mixing 5 ~ screw extruder is added after ten minutes；When above-mentioned raw materials run in screw extruder to When at screw extruder length 1/3, mineral oil and chlorinated butyl is added into screw extruder at this, continue to run until from It is squeezed out completely in screw extruder；The screw extruder is divided into 12 thermotonus areas from inlet according to its length, and 12 Thermotonus section length is identical, and it is 100 DEG C that temperature, which is set gradually, and 120 DEG C, 130 DEG C, 160 DEG C, 170 DEG C, 180 DEG C, 190 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 200 DEG C, 180 DEG C.
Embodiment 7:
The preparation facilities of EPDM/PE mixture for high gel content as shown in Figure 1, including with cylindrical barrel 1 One end of screw extruder, the cylinder 1 is equipped with No.1 loading hopper 2, and No. two are equipped on the cylinder 1 of 2 side of No.1 loading hopper Loading hopper 3.
Embodiment 8:
Reference implementation example 7, the spacing (b) between No. two loading hoppers and No.1 loading hopper are the 1/3 of barrel lenght (a)；Institute The diameter (c) and length ratio for stating cylinder are 1:48.

Claims (6)

1. a kind of EPDM/PE mixture of high gel content, which is characterized in that the component including following parts by weight: EPDM70 ~ 80 parts, PE20 ~ 30 part, GMA1 parts, 0.5 ~ 0.8 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, 10 parts of chlorinated butyl, DCP0.3 ~ 0.5 part.
2. the EPDM/PE mixture of high gel content according to claim 1, which is characterized in that by following parts by weight Group be grouped as: EPDM75 parts, PE25 parts, GMA1 parts, 0.6 part of adjacent divinylbenzene, LCP0.1 parts, 30 parts of mineral oil, chlorination 10 parts of butyl, DCP0.4 parts.
3. preparing the EPDM/PE mixture of high gel content as claimed in claim 1 or 2, which comprises the following steps:
(1) stand-by by each raw material of formula measurement；
(2) by EPDM, PE, GMA, adjacent divinylbenzene, LCP, DCP mixing 5 ~ screw extruder is added after ten minutes；
(3) when running in screw extruder to screw extruder length 1/3 when above-mentioned raw materials, to screw extruder at this Interior addition mineral oil and chlorinated butyl continue to run until squeezing out completely out of screw extruder.
4. the preparation method of the EPDM/PE mixture of high gel content according to claim 3, which is characterized in that the spiral shell Bar extruder is divided into 12 thermotonus areas from inlet according to its length, and 12 thermotonus section lengths are identical, and temperature is successively It is set as 100 DEG C, 120 DEG C, 130 DEG C, 160 DEG C, 170 DEG C, 180 DEG C, 190 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 200 DEG C, 180 ℃。
5. a kind of preparation facilities of the EPDM/PE mixture for high gel content is squeezed including the screw rod with cylindrical barrel Machine out, which is characterized in that one end of the cylinder is equipped with No.1 loading hopper, and No. two are equipped on the cylinder of No.1 loading hopper side Loading hopper, the spacing between No. two loading hoppers and No.1 loading hopper are the 1/3 of barrel lenght.
6. the preparation facilities of the EPDM/PE mixture according to claim 5 for high gel content, which is characterized in that The diameter and length ratio of the cylinder are 1:48.
CN201810950959.XA 2018-08-21 2018-08-21 A kind of EPDM/PE mixture of high gel content and preparation method thereof, preparation facilities Pending CN109369854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810950959.XA CN109369854A (en) 2018-08-21 2018-08-21 A kind of EPDM/PE mixture of high gel content and preparation method thereof, preparation facilities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810950959.XA CN109369854A (en) 2018-08-21 2018-08-21 A kind of EPDM/PE mixture of high gel content and preparation method thereof, preparation facilities

Publications (1)

Publication Number Publication Date
CN109369854A true CN109369854A (en) 2019-02-22

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806558A (en) * 1971-08-12 1974-04-23 Uniroyal Inc Dynamically partially cured thermoplastic blend of monoolefin copolymer rubber and polyolefin plastic
GB1384262A (en) * 1971-01-20 1975-02-19 Uniroyal Inc Rubbery copolymer
CN1706876A (en) * 2005-05-19 2005-12-14 洛阳石化聚丙烯有限责任公司 Composite cross-linked polymer and its prepn process and use

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1384262A (en) * 1971-01-20 1975-02-19 Uniroyal Inc Rubbery copolymer
US3806558A (en) * 1971-08-12 1974-04-23 Uniroyal Inc Dynamically partially cured thermoplastic blend of monoolefin copolymer rubber and polyolefin plastic
CN1706876A (en) * 2005-05-19 2005-12-14 洛阳石化聚丙烯有限责任公司 Composite cross-linked polymer and its prepn process and use

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
吴为平等: "《科学技术概论》", 31 December 1991, 湖南出版社 *
郭可锐: "聚烯烃接枝甲基丙烯酸缩水甘油酯（PO-g-GMA）的制备、结构表征及应用研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 *

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Application publication date: 20190222