CN107556552A - A kind of big primer of insulating boot that can prevent incipient scorch - Google Patents
A kind of big primer of insulating boot that can prevent incipient scorch Download PDFInfo
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- CN107556552A CN107556552A CN201610504498.4A CN201610504498A CN107556552A CN 107556552 A CN107556552 A CN 107556552A CN 201610504498 A CN201610504498 A CN 201610504498A CN 107556552 A CN107556552 A CN 107556552A
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- incipient scorch
- insulating boot
- big primer
- sizing material
- big
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Abstract
The invention discloses a kind of big primer of insulating boot that can prevent incipient scorch, it is characterised in that calculate in parts by weight, including：Natural rubber 100, sulphur 0.7 0.9, captax 0.4 0.6, altax 1.0 1.2, Vulcanization accelerator TMTD 0.7 0.9, zinc oxide 46, stearic acid 1.4 1.6, antioxidant D 1.4 1.6, calcium carbonate 120, pine tar 9 10, montanin wax 0.8 1.2, vaseline 13, paraffin 0.8 1.2, zinc stearate 0.9 1.1, nigrosine 3.8 4.0, salicylic acid 0.2 0.4, antiscorching agent PVI 0.1 0.5.Its insulating properties is preferable with big primer for the insulating boot produced with the formula, and cost is relatively low, adapts to the operating environment of electrician, suitable for the protection of Electrician Operation；Antiscorching agent PVI has reactivation for the sizing material for being already subjected to high fever or having slight incipient scorch, can further improve the process safety of sizing material.
Description
Technical field
The present invention relates to elastomeric material preparation field, and incipient scorch can be prevented with big primer formula, more particularly to one kind by being related to footwear
Insulating boot with big primer.
Background technology
Shoes made of General Purpose Rubber material, its big primer are usually that natural rubber adds synthetic rubber, use range is wide,
Cost is low, but because partially synthetic elastomeric dielectric performance is relatively low, causes big primer insulating properties poor, the promotion commonly used in sizing material
Agent, age resistor contain sulphur or nitrogen mostly, even if usage amount is few, can also influence electrical property, containing the big accelerator of polarized, prevent always
The sizing material of agent, water imbibition is big, and dielectric properties can be more decreased obviously, and conventional filler and reinforcing agent carbon black can cause the electricity of rubber
Hydraulic performance decline, therefore, conventional big primer formula can not be used for the protection of Electrician Operation.
Incipient scorch is a kind of sizing material prevulcanization phenomenon, produce incipient scorch the reason for have：Mismate, such as vulcanizing agent, accelerator
Dosage is too many；Misoperation, as roller temperature is too high, too early add Sulfur or add vulcanizing agent after mixing time it is oversize.It is kneaded uneven
Cause vulcanizing agent and accelerator concentration of local；It is improper that sizing material cooling is parked.Such as park too long, holding area temperature is too high or air
Circulation etc., when there is incipient scorch phenomenon, sizing material is rough, and pitted skin plasticity reduces, and size occurs in sizing material surface when serious
The particle not waited.
Because summer temperature is higher, easily causes insulating boot and incipient scorch phenomenon occurs when being kneaded and machining with big primer, make
Scrapped into sizing material.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, and to provide a kind of insulating boot that can prevent incipient scorch big bottom
Glue, its insulating properties is preferable with big primer for the insulating boot produced with the formula, and cost is relatively low, adapts to the operating environment of electrician,
For the protection of Electrician Operation, process is not susceptible to incipient scorch phenomenon, can greatly improve the security of sizing material processing.
Realizing the technical scheme of the object of the invention is：
A kind of big primer of insulating boot that can prevent incipient scorch, is calculated in parts by weight, including：
Natural rubber 100, sulphur 0.7-0.9, captax 0.4-0.6, altax 1.0-1.2, Vulcanization accelerator TMTD 0.7-
0.9th, zinc oxide 4-6, stearic acid 1.4-1.6, antioxidant D 1.4-1.6, calcium carbonate 120, pine tar 9-10, montanin wax 0.8-
1.2nd, vaseline 1-3, paraffin 0.8-1.2, zinc stearate 0.9-1.1, nigrosine 3.8-4.0, salicylic acid 0.2-0.4, antiscorching agent
PVI 0.1-0.5。
The advantage of the invention is that：Using natural rubber, dielectric properties are improved；Sulfur consumption is reduced, uses Vulcanization accelerator TMTD
Instead of part sulfur consumption；Using the small calcium carbonate of water imbibition；The carbon black for causing rubber electrical property to decline is not used, with nigrosine
Instead of；In view of the volume resistance of compounding ingredient is generally greater than rubber, so improving gel content；Adapted copper suppressive age resistor helps
In the raising of electrical insulation capability；Plasticizer contributes to the raising of insulating properties using paraffin river rising in Ningxia and flowing into central Shaanxi oil.The insulation produced with the formula
Its insulating properties is preferable with big primer for boots, and cost is relatively low, adapts to the operating environment of electrician, suitable for the protection of Electrician Operation；
Gum base ingredients prevent the generation of incipient scorch phenomenon using salicylic acid and antiscorching agent PVI combinations, and the big primer produced with the formula is not
Incipient scorch phenomenon easily occurs, the security of sizing material processing can be greatly improved.Antiscorching agent PVI is for being already subjected to high fever or having light simultaneously
The sizing material of micro- incipient scorch has reactivation, can further improve the process safety of sizing material, avoids because temperature rise, roller temperature are too high
Cause the loss of sizing material incipient scorch.
Embodiment
Present invention is further elaborated below by embodiment, but is not limitation of the invention.
A kind of big primer of insulating boot that can prevent incipient scorch, is calculated in parts by weight, including：
Natural rubber 100, sulphur 0.7-0.9, captax 0.4-0.6, altax 1.0-1.2, Vulcanization accelerator TMTD 0.7-
0.9th, zinc oxide 4-6, stearic acid 1.4-1.6, antioxidant D 1.4-1.6, calcium carbonate 120, pine tar 9-10, montanin wax 0.8-
1.2nd, vaseline 1-3, paraffin 0.8-1.2, zinc stearate 0.9-1.1, nigrosine 3.8-4.0, salicylic acid 0.2-0.4, antiscorching agent
PVI 0.1-0.5。
The formula can carry out two sections by banbury and be kneaded completion, to improve the cohesive of sizing material.
Natural rubber is 1#-2# smoke sheet rubbers, to adapt to manual assembly shaping.
Embodiment：
A kind of big primer of insulating boot that can prevent incipient scorch, is calculated in parts by weight, including：
1# smoke sheet rubbers 100, sulphur 0.8, captax 0.5, altax 1.1, Vulcanization accelerator TMTD 0.8, zinc oxide 5, tristearin
Acid 1.5, antioxidant D 1.5, calcium carbonate 120, pine tar 9.5, montanin wax 1.0, vaseline 2, paraffin 1, zinc stearate 1, oil
Molten black 3.9, salicylic acid 0.3, antiscorching agent PVI 0.3.
Preparation method：
The natural rubber of formula ratio is added in banbury and is kneaded completely, then addition zinc stearate, nigrosine, accelerator are being opened
Mixing is complete in mill, and the antiscorching agent, age resistor and plasticizer for adding formula ratio continue to be kneaded completely, are eventually adding sulphur and mix
Refining is complete.
Claims (2)
- A kind of 1. big primer of insulating boot that can prevent incipient scorch, it is characterised in that calculate in parts by weight, including：Natural rubber 100, sulphur 0.7-0.9, captax 0.4-0.6, altax 1.0-1.2, Vulcanization accelerator TMTD 0.7- 0.9th, zinc oxide 4-6, stearic acid 1.4-1.6, antioxidant D 1.4-1.6, calcium carbonate 120, pine tar 9-10, montanin wax 0.8- 1.2nd, vaseline 1-3, paraffin 0.8-1.2, zinc stearate 0.9-1.1, nigrosine 3.8-4.0, salicylic acid 0.2-0.4, antiscorching agent PVI 0.1-0.5。
- 2. the big primer of the insulating boot according to claim 1 that can prevent incipient scorch, it is characterised in that in parts by weight Calculate, including：1# smoke sheet rubbers 100, sulphur 0.8, captax 0.5, altax 1.1, Vulcanization accelerator TMTD 0.8, zinc oxide 5, tristearin Acid 1.5, antioxidant D 1.5, calcium carbonate 120, pine tar 9.5, montanin wax 1.0, vaseline 2, paraffin 1, zinc stearate 1, oil Molten black 3.9, salicylic acid 0.3, antiscorching agent PVI 0.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504498.4A CN107556552A (en) | 2016-07-01 | 2016-07-01 | A kind of big primer of insulating boot that can prevent incipient scorch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504498.4A CN107556552A (en) | 2016-07-01 | 2016-07-01 | A kind of big primer of insulating boot that can prevent incipient scorch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107556552A true CN107556552A (en) | 2018-01-09 |
Family
ID=60969456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610504498.4A Pending CN107556552A (en) | 2016-07-01 | 2016-07-01 | A kind of big primer of insulating boot that can prevent incipient scorch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107556552A (en) |
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2016
- 2016-07-01 CN CN201610504498.4A patent/CN107556552A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180109 |
|
| WD01 | Invention patent application deemed withdrawn after publication |