Butyl and ethylene-propylene-diene monomer combined rubber tube prepared from SP1045 phenolic resin and preparation method of butyl and ethylene-propylene-diene monomer combined rubber tube

Abstract

The invention discloses an SP1045 phenolic resin-in-butyl and ethylene-propylene-diene monomer combined rubber tube and a preparation method thereof, and particularly relates to the technical field of rubber tubes, the SP1045 phenolic resin-in-butyl and ethylene-propylene-diene monomer combined rubber tube comprises the following components: 40-60 parts of STR rubber; 15 to 20 parts of butyl rubber; 10 to 25 parts of ethylene propylene diene monomer; 50 to 55 parts of carbon black; 10-15 parts of environment-friendly aromatic hydrocarbon oil; 4.5-7 parts of zinc oxide; 3-5 parts of stearic acid; 3.5-5 parts of an anti-aging agent; 1.5 to 3 parts of microcrystalline wax; 20 to 30 parts of functional resin; 2.5-4 parts of a carbon black dispersant; 20 to 25 parts of other fillers; 2.2 to 3.5 parts of sulfur; 1.5 to 3 parts of an accelerant; and 0.2 to 0.5 part of scorch retarder. Whitening and blooming on the surface of the rubber tube can be avoided, the surface smoothness is higher, the component surface granularity is lower, the quality is better, the quality defects of dark bubbles and pinholes on the surface are avoided when the rubber material is extruded, the anti-aging agent 6PPD, the anti-aging agent TMQ and the liquid BLE are mixed for use, a synergistic effect can be generated, meanwhile, comprehensive protection use is provided, and the service life of the rubber tube is prolonged. The thermo-oxidative aging resistance and the ozone aging resistance are greatly improved, and then the prepared rubber tube is relatively high in strength and relatively good in extensibility.

Description

Technical Field

[0001] The present invention relates to the technical field of rubber hoses, and more specifically to a rubber hose prepared by mixing butyl and EPDM with SP1045 phenolic resin and a preparation method thereof. Background Art

[0002] At present, pipes produced by various materials and processes are of three-layer or higher structure. The existing solution is to complete the production of outer rubber storage and component extrusion, and the outer rubber and component surface appear white and frosted. The surface finish of the hose produced by the existing hose production process is not high enough. At the same time, the surface granularity of the component after the hose is extruded is high and the quality is poor.

[0003] Therefore, there is an urgent need for a hose in which a SP1045 phenolic resin is used in a butyl group and EPDM and a preparation method thereof to solve the above problems. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a hose using SP1045 phenolic resin in butyl and EPDM and a preparation method thereof. The surface of the hose produced by the present invention can avoid whitening and frosting, and has higher surface finish, lower surface particle size of the components, better quality, and no quality defects of dark bubbles and pinholes on the surface when the rubber is extruded. The mixed use of antioxidant 6PPD, antioxidant TMQ and liquid BLE can produce a synergistic effect and provide comprehensive protection at the same time, greatly improving the resistance to thermal oxidation aging and ozone aging. Then, the hose made by the present invention has high strength and good elongation to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a hose made of SP1045 phenolic resin in butyl and EPDM, comprising the following components:

[0006]

[0007]

[0008] In a preferred embodiment, the antioxidant includes 6PPD, antioxidant TMQ and liquid BLE.

[0009] In a preferred embodiment, the accelerators are accelerator NS and accelerator DZ.

[0010] In a preferred embodiment, the filler includes modified clay and nano calcium carbonate.

[0011] In a preferred embodiment, the functional resin is SP1045 phenolic resin.

[0012] In a preferred embodiment, the viscosity density index of the aromatic oil is between 1 and 0.91.

[0013] A method for preparing a hose made of a SP1045 phenolic resin in butyl and EPDM, characterized in that it comprises a hose made of a SP1045 phenolic resin in butyl and EPDM as described in any one of the above and the following steps:

[0014] Step 1: Use regular Mooney STR rubber and butyl rubber;

[0015] Step 2: Add STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stir and mix for 45 seconds;

[0016] Step 3: Add fillers such as carbon black in sequence and stir at a uniform speed. When the temperature rises to 110-120°C, inject aromatic oil. When the temperature rises to 130-140°C, perform debinding.

[0017] Step 4: Perform two-stage master batching on the rubber compound, and then perform debonding when the temperature rises to 130°C;

[0018] Step 5: Add the second-stage masterbatch and the vulcanizing agent into the internal mixer and stir at a constant speed, and perform the debinding when the temperature rises to 95-100℃;

[0019] Step 6: Add the final rubber mixture into the extruder for heating to make it into a molten material that can be extruded, and then extrude the heated rubber mixture through the extruder, and extrude the raw materials into a hose of the desired shape through the extruder screw and the forming hole of the mold;

[0020] Step 7: After the mold is formed, the formed hose is collected and stored;

[0021] Step 8: Place the formed hose into a vulcanization box, vulcanize and cure it after a certain time and temperature, and then cool the vulcanized hose to obtain a finished hose.

[0022] Technical effects and advantages of the present invention:

[0023] The surface of the hose produced by the present invention can avoid whitening and frosting, and has higher surface smoothness, lower surface granularity of the components, and better quality. When the rubber material is extruded, there are no quality defects such as dark bubbles and pinholes on the surface. The mixed use of antioxidant 6PPD, antioxidant TMQ and liquid BLE can produce a synergistic effect and provide comprehensive protection at the same time, greatly improving the resistance to thermal oxygen aging and ozone aging. Then, the hose made by the present invention has high strength and good elongation. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example 1

[0026] The present invention provides a hose made of SP1045 phenolic resin in butyl and EPDM, comprising the following components:

[0027]

[0028]

[0029] The antioxidant includes 6PPD, antioxidant TMQ and liquid BLE.

[0030] The accelerators are accelerator NS and accelerator DZ.

[0031] The filler comprises modified clay and nano calcium carbonate.

[0032] The functional resin is set to be SP1045 phenolic resin.

[0033] The viscosity density index of the aromatic oil is between 1 and 0.91.

[0034] A method for preparing a hose made of a SP1045 phenolic resin in butyl and EPDM, characterized in that it comprises a hose made of a SP1045 phenolic resin in butyl and EPDM as described in any one of the above and the following steps:

[0035] Step 1: Use regular Mooney STR rubber and butyl rubber;

[0036] Step 2: Add STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stir and mix for 45 seconds;

[0037] Step 3: Add fillers such as carbon black in sequence and stir at a uniform speed. When the temperature rises to 110-120°C, inject aromatic oil. When the temperature rises to 130-140°C, perform debinding.

[0038] Step 4: Perform two-stage master batching on the rubber compound, and then perform debonding when the temperature rises to 130°C;

[0039] Step 5: Add the second-stage masterbatch and the vulcanizing agent into the internal mixer and stir at a constant speed, and perform the debinding when the temperature rises to 95-100℃;

[0040] Step 6: Add the final rubber mixture into the extruder for heating to make it into a molten material that can be extruded, and then extrude the heated rubber mixture through the extruder, and extrude the raw materials into a hose of the desired shape through the extruder screw and the forming hole of the mold;

[0041] Step 7: After the mold is formed, the formed hose is collected and stored;

[0042] Step 8: Place the formed hose into a vulcanization box, vulcanize and cure it after a certain time and temperature, and then cool the vulcanized hose to obtain a finished hose.

[0043] Compared with the prior art, the surface of the produced hose in this embodiment can avoid whitening and frosting, and has higher surface finish, lower surface granularity of components, and better quality.

[0044] Example 2

[0045] The present invention provides a hose made of SP1045 phenolic resin in butyl and EPDM, comprising the following components:

[0046]

[0047]

[0048] The antioxidant includes 6PPD, antioxidant TMQ and liquid BLE.

[0049] The accelerators are accelerator NS and accelerator DZ.

[0050] The filler comprises modified clay and nano calcium carbonate.

[0051] The functional resin is set to be SP1045 phenolic resin.

[0052] The viscosity density index of the aromatic oil is between 1 and 0.91.

[0053] A method for preparing a hose made of a SP1045 phenolic resin in butyl and EPDM, characterized in that it comprises a hose made of a SP1045 phenolic resin in butyl and EPDM as described in any one of the above and the following steps:

[0054] Step 1: Use regular Mooney STR rubber and butyl rubber;

[0055] Step 2: Add STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stir and mix for 45 seconds;

[0056] Step 3: Add fillers such as carbon black in sequence and stir at a uniform speed. When the temperature rises to 110-120°C, inject aromatic oil. When the temperature rises to 130-140°C, perform debinding.

[0057] Step 4: Perform two-stage master batching on the rubber compound, and then perform debonding when the temperature rises to 130°C;

[0058] Step 5: Add the second-stage masterbatch and the vulcanizing agent into the internal mixer and stir at a constant speed, and perform the debinding when the temperature rises to 95-100℃;

[0059] Step 6: Add the final rubber mixture into the extruder for heating to make it into a molten material that can be extruded, and then extrude the heated rubber mixture through the extruder, and extrude the raw materials into a hose of the desired shape through the extruder screw and the forming hole of the mold;

[0060] Step 7: After the mold is formed, the formed hose is collected and stored;

[0061] Step 8: Place the formed hose into a vulcanization box, vulcanize and cure it after a certain time and temperature, and then cool the vulcanized hose to obtain a finished hose.

[0062] Compared with the prior art, the surface of the produced hose in this embodiment can avoid whitening and frosting, and has higher surface finish, lower surface granularity of components, and better quality.

[0063] Example 3

[0064] The present invention provides a hose made of SP1045 phenolic resin in butyl and EPDM, comprising the following components:

[0065]

[0066] The antioxidant includes 6PPD, antioxidant TMQ and liquid BLE.

[0067] The accelerators are accelerator NS and accelerator DZ.

[0068] The filler comprises modified clay and nano calcium carbonate.

[0069] The functional resin is set to be SP1045 phenolic resin.

[0070] The viscosity density index of the aromatic oil is between 1 and 0.91.

[0071] A method for preparing a hose made of a SP1045 phenolic resin in butyl and EPDM, characterized in that it comprises a hose made of a SP1045 phenolic resin in butyl and EPDM as described in any one of the above and the following steps:

[0072] Step 1: Use regular Mooney STR rubber and butyl rubber;

[0073] Step 2: Add STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stir and mix for 45 seconds;

[0074] Step 3: Add fillers such as carbon black in sequence and stir at a uniform speed. When the temperature rises to 110-120°C, inject aromatic oil. When the temperature rises to 130-140°C, perform debinding.

[0075] Step 4: Perform two-stage master batching on the rubber compound, and then perform debonding when the temperature rises to 130°C;

[0076] Step 5: Add the second-stage masterbatch and the vulcanizing agent into the internal mixer and stir at a constant speed, and perform the debinding when the temperature rises to 95-100℃;

[0077] Step 6: Add the final rubber mixture into the extruder for heating to make it into a molten material that can be extruded, and then extrude the heated rubber mixture through the extruder, and extrude the raw materials into a hose of the desired shape through the extruder screw and the forming hole of the mold;

[0078] Step 7: After the mold is formed, the formed hose is collected and stored;

[0079] Step 8: Place the formed hose into a vulcanization box, vulcanize and cure it after a certain time and temperature, and then cool the vulcanized hose to obtain a finished hose.

[0080] Compared with the prior art, the surface of the produced hose in this embodiment can avoid whitening and frosting, and has higher surface finish, lower surface granularity of components, and better quality.

[0081] Example 4

[0082] The present invention provides a hose made of SP1045 phenolic resin in butyl and EPDM, comprising the following components:

[0083] STR rubber 55 parts;

[0084]

[0085] The antioxidant includes 6PPD, antioxidant TMQ and liquid BLE.

[0086] The accelerators are accelerator NS and accelerator DZ.

[0087] The filler comprises modified clay and nano calcium carbonate.

[0088] The functional resin is set to be SP1045 phenolic resin.

[0089] The viscosity density index of the aromatic oil is between 1 and 0.91.

[0090] A method for preparing a hose made of a SP1045 phenolic resin in butyl and EPDM, characterized in that it comprises a hose made of a SP1045 phenolic resin in butyl and EPDM as described in any one of the above and the following steps:

[0091] Step 1: Use regular Mooney STR rubber and butyl rubber;

[0092] Step 2: Add STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stir and mix for 45 seconds;

[0093] Step 3: Add fillers such as carbon black in sequence and stir at a uniform speed. When the temperature rises to 110-120°C, inject aromatic oil. When the temperature rises to 130-140°C, perform debinding.

[0094] Step 4: Perform two-stage master batching on the rubber compound, and then perform debonding when the temperature rises to 130°C;

[0095] Step 5: Add the second-stage masterbatch and the vulcanizing agent into the internal mixer and stir at a constant speed, and perform the debinding when the temperature rises to 95-100℃;

[0096] Step 6: Add the final rubber mixture into the extruder for heating to make it into a molten material that can be extruded, and then extrude the heated rubber mixture through the extruder, and extrude the raw materials into a hose of the desired shape through the extruder screw and the forming hole of the mold;

[0097] Step 7: After the mold is formed, the formed hose is collected and stored;

[0098] Step 8: Place the formed hose into a vulcanization box, vulcanize and cure it after a certain time and temperature, and then cool the vulcanized hose to obtain a finished hose.

[0099] Compared with the prior art, the surface of the produced hose in this embodiment can avoid whitening and frosting, and has higher surface finish, lower surface granularity of components, and better quality.

[0100] Example 5

[0101] The present invention provides a hose made of SP1045 phenolic resin in butyl and EPDM, comprising the following components:

[0102]

[0103]

[0104] The antioxidant includes 6PPD, antioxidant TMQ and liquid BLE.

[0105] The accelerators are accelerator NS and accelerator DZ.

[0106] The filler comprises modified clay and nano calcium carbonate.

[0107] The functional resin is set to be SP1045 phenolic resin.

[0108] The viscosity density index of the aromatic oil is between 1 and 0.91.

[0109] A method for preparing a hose made of a SP1045 phenolic resin in butyl and EPDM, characterized in that it comprises a hose made of a SP1045 phenolic resin in butyl and EPDM as described in any one of the above and the following steps:

[0110] Step 1: Use regular Mooney STR rubber and butyl rubber;

[0111] Step 2: Add STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stir and mix for 45 seconds;

[0112] Step 3: Add fillers such as carbon black in sequence and stir at a uniform speed. When the temperature rises to 110-120°C, inject aromatic oil. When the temperature rises to 130-140°C, perform debinding.

[0113] Step 4: Perform two-stage master batching on the rubber compound, and then perform debonding when the temperature rises to 130°C;

[0114] Step 5: Add the second-stage masterbatch and the vulcanizing agent into the internal mixer and stir at a constant speed, and perform the debinding when the temperature rises to 95-100℃;

[0115] Step 6: Add the final rubber mixture into the extruder for heating to make it into a molten material that can be extruded, and then extrude the heated rubber mixture through the extruder, and extrude the raw materials into a hose of the desired shape through the extruder screw and the forming hole of the mold;

[0116] Step 7: After the mold is formed, the formed hose is collected and stored;

[0117] Step 8: Place the formed hose into a vulcanization box, vulcanize and cure it after a certain time and temperature, and then cool the vulcanized hose to obtain a finished hose.

[0118] Compared with the prior art, the surface of the produced hose in this embodiment can avoid whitening and frosting, and has higher surface finish, lower surface granularity of components, and better quality.

[0119] The invention comprises 40-60 parts of STR rubber, 15-20 parts of butyl rubber, 10-25 parts of EPDM rubber, 50-55 parts of carbon black, 10-15 parts of environmentally friendly aromatic oil, 4.5-7 parts of zinc oxide, 3-5 parts of stearic acid, 3.5-5 parts of antioxidant, 1.5-3 parts of microcrystalline wax, 20-30 parts of functional resin, 2.5-4 parts of carbon black dispersant, 20-25 parts of other fillers, 2.2-3.5 parts of sulfur, 1.5-3 parts of accelerator, 0.2-0.5 parts of scorch retarder The present invention selects conventional Mooney STR rubber and butyl rubber, adds the STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stirs and mixes for 45 seconds, adds fillers such as carbon black in turn and stirs at a uniform speed, injects aromatic oil when the temperature rises to 110-120°C, performs debonding when the temperature rises to 130-140°C, performs secondary masterbatch on the rubber material, and then performs debonding when the temperature rises to 130°C, adds the secondary masterbatch and the vulcanizing agent into the internal mixer together, and performs secondary masterbatch on the rubber material. The rubber mixture is put into the extruder for heating to form a molten material that can be extruded, and then the heated rubber mixture is extruded through the extruder, and the raw materials are squeezed into a hose of a desired shape through the screw of the extruder and the forming hole of the mold. After the rubber mixture is extruded, the molded hose is collected and stored, and the molded hose is put into a vulcanization box for vulcanization and curing after a certain time and temperature, and then the vulcanized and cured hose is cooled to obtain a finished hose. The surface of the hose produced by the present invention can avoid whitening and frost, and has higher surface finish, lower particle size of the component surface, better quality, and no dark bubbles and pinholes on the surface of the rubber compound when it is extruded. The anti-aging agent 6PPD, the anti-aging agent TMQ and the liquid BLE are mixed to produce a synergistic effect, and at the same time provide comprehensive protection, which greatly improves the resistance to thermal oxygen aging and ozone aging. Then, the rubber hose made by the present invention has high strength and good elongation.

[0120] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hose made of SP1045 phenolic resin in butyl and EPDM, characterized in that: The components include the following parts:

2. A hose made of SP1045 phenolic resin in butyl and EPDM according to claim 1, characterized in that: The antioxidant includes 6PPD, antioxidant TMQ and liquid BLE.

3. A hose made of SP1045 phenolic resin in butyl and EPDM according to claim 1, characterized in that: The accelerators are accelerator NS and accelerator DZ.

4. A hose using SP1045 phenolic resin in butyl and EPDM as claimed in claim 1, characterized in that: The filler comprises modified clay and nano calcium carbonate.

5. A hose using SP1045 phenolic resin in butyl and EPDM as claimed in claim 1, characterized in that: The functional resin is set to be SP1045 phenolic resin.

6. A hose using SP1045 phenolic resin in butyl and EPDM as claimed in claim 1, characterized in that: The viscosity density index of the aromatic oil is between 1 and 0.

91.

7. A method for preparing a hose made of SP1045 phenolic resin in butyl and EPDM, characterized in that: It comprises a hose made of a butyl-based and EPDM-based SP1045 phenolic resin as described in any one of claims 1 to 6 and the following steps: Step 1: Use regular Mooney STR rubber and butyl rubber; Step 2: Add STR rubber and butyl rubber, EPDM rubber and SP1045 phenolic resin into an internal mixer at the same time, stir and mix for 45 seconds; Step 3: Add fillers such as carbon black in sequence and stir at a uniform speed. When the temperature rises to 110-120°C, inject aromatic oil. When the temperature rises to 130-140°C, perform debonding. Step 4: Perform two-stage master batching on the rubber compound, and then perform debinding when the temperature rises to 130°C; Step 5: Add the second-stage masterbatch and the vulcanizing agent into the internal mixer and stir at a uniform speed, and perform the debinding when the temperature rises to 95-100℃; Step 6: Add the final rubber mixture into the extruder for heating to make it into a molten material that can be extruded, and then extrude the heated rubber mixture through the extruder, and extrude the raw materials into a hose of the desired shape through the extruder screw and the forming hole of the mold; Step 7: After the mold is formed, the formed hose is collected and stored; Step 8: Place the formed hose into a vulcanization box, vulcanize and cure it after a certain time and temperature, and then cool the vulcanized hose to obtain a finished hose.

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