CN109702947A - A kind of preparation method of tire building reverse-wrapped capsule utricule film - Google Patents
A kind of preparation method of tire building reverse-wrapped capsule utricule film Download PDFInfo
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- CN109702947A CN109702947A CN201811605856.6A CN201811605856A CN109702947A CN 109702947 A CN109702947 A CN 109702947A CN 201811605856 A CN201811605856 A CN 201811605856A CN 109702947 A CN109702947 A CN 109702947A
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Abstract
The present invention provides a kind of preparation methods of tire building reverse-wrapped capsule utricule film, are related to tire building reverse-wrapped capsule production technical field.The present invention, with natural gum and cis-butadiene cement for main sizing material, using segmentation refining glue and the refining glue mode of small powder premixing；Meanwhile increasing paraffin addition number, so as to which one layer of isolation film can be formed on the tire building reverse-wrapped capsule further prepared.Compared with prior art, the present invention improves utricule film formula and preparation process, prepare a kind of utricule film that flexible resistance is excellent, utilize tire building reverse-wrapped capsule made of the utricule film, can one layer of separation layer of self-forming, so as to avoid tire building reverse-wrapped capsule and adhesion between molding green tyre destroy the appearance of situation.
Description
Technical field
The present invention relates to tire building reverse-wrapped capsule production technical field, in particular to a kind of tire building reverse-wrapped capsule capsule
The preparation method of body film.
Background technique
The structure of tire building reverse-wrapped capsule includes utricule, rim of the mouth, separation layer；Wherein utricule is primary structure.Generally,
Utricule is combined by film and cord fabric are alternate, has multilayered structure, upper and lower two sides outermost layer is film；Cord fabric is as bone
Rack-layer is placed between two layers of film.On the one hand, during making tire building reverse-wrapped capsule, utricule needs to fold cladding
Rim of the mouth material, utricule need pliable and toughness high；On the other hand, it is more when tire building reverse-wrapped capsule is applied to tire building
Secondary reuse, inflation are deflated repeatedly, and, it is undesirable to tire building reverse-wrapped capsule sticks together with tire；Therefore, utricule needs
Have good flexural property resistant to bending and centainly non-stick.
Summary of the invention
The present invention provides a kind of preparation methods of tire building reverse-wrapped capsule utricule film, solve above-mentioned technical problem.
The technical solution adopted by the present invention is that a kind of preparation method of tire building reverse-wrapped capsule utricule film.Film
It is formulated as follows: 50~65 parts of natural gum, 35~50 parts of cis-butadiene cement, 0~2 part of zinc oxide, 0~5 part of stearic acid, anti-aging agent 1~5
Part, 1~15 part of paraffin, 1~5 part of operation oil, 40~50 parts of carbon black, 1~3 part of sulphur, 1~3 part of promotor, homogenizing agent 1~3
Part, 1~3 part of antiscorching agent.With natural gum and cis-butadiene cement for main sizing material, the main flexibility for considering that the two is excellent, flexural property,
And natural gum and cis-butadiene cement composite effect are good.1~15 part of paraffin, wider range；When paraffin number is excessive, easily it is precipitated；One
As product need to reduce the appearance of this phenomenon.And be precipitated and occur under the conditions of certain environment, when temperature height, precipitation is not sent out
Raw or progress is slow；When the temperature is low, it is precipitated and carries out comparatively fast.More parts of paraffin are added in utricule film formula, prepare tire at
Temperature is high when type reverse-wrapped capsule, and paraffin is not easy to be precipitated, after through storage transport to tire production factory, at normal temperature, process is longer
Time, paraffin, which is precipitated, to be overlying on the surface of tire building reverse-wrapped capsule and forms a thin layer of separation layer, can be had and be avoided and tire
The function of sticking together.
The preparation process of utricule film:
S1, each raw material is weighed according to the formula of utricule film；
S2, one section of refining glue, by 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black is added in mixer, and glue furnacing temperature is 65~
75 DEG C, the refining glue time 100~120 seconds；
S3, two sections of refining glues by zinc oxide, stearic acid, anti-aging agent, paraffin, operation oil, sulphur, promotor, homogenizing agent, prevent
Burnt agent is mixed, and is added in the mixer in S1 together, meanwhile, by remaining 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 charcoal
Black to be also added in mixer, glue furnacing temperature is 65~80 DEG C, the refining glue time 100~300 seconds；
Sizing material in mixer is fed directly to calender by S4, tabletting, and adjustment calendar rolls barrel spacing is 1~8mm；
Extrude the smooth film of 1~8mm thickness.
It is segmented refining glue and promotes the compound of two kinds of main sizing materials；It is then added in mixer after each small powder auxiliary agent mixing, on a small quantity
Auxiliary agent can preferably play a role, can be better for example, homogenizing agent, in mixing, the chance that contact with other small powders increases
Play the effect for promoting each small powder auxiliary agent evenly dispersed.
Further, in S1, paraffin number is 8~15 parts.More parts of paraffin are added in utricule film formula, need phase
Between glue furnacing temperature should be improved to guarantee that paraffin can be scattered in sizing material in refining glue.
Compared with prior art, the present invention improves utricule film formula and preparation process, prepares a kind of resistance to flexion
The utricule film of function admirable, using tire building reverse-wrapped capsule made of the utricule film, can one layer of isolation film of self-forming,
So as to avoid tire building reverse-wrapped capsule and adhesion between molding green tyre destroy the appearance of situation.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment, to the present invention
It is described in further detail.
A kind of preparation method of tire building reverse-wrapped capsule utricule film, specific preparation process are as follows:
S1, the formula for designing utricule film, it is 50~65 parts of natural gum, 35~50 parts of cis-butadiene cement, 0~2 part of zinc oxide, stearic
0~5 part of acid, 1~5 part of anti-aging agent, 1~15 part of paraffin, 1~5 part of operation oil, 40~50 parts of carbon black, 1~3 part of sulphur, promotor
1~3 part, 1~3 part of homogenizing agent, 1~3 part of antiscorching agent；
S2, one section of refining glue, by 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black is added in mixer, and glue furnacing temperature is 65~
75 DEG C, the refining glue time 100~120 seconds；
S3, two sections of refining glues by zinc oxide, stearic acid, anti-aging agent, paraffin, operation oil, sulphur, promotor, homogenizing agent, prevent
Burnt agent is mixed, and is added in the mixer in S1 together, meanwhile, by remaining 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 charcoal
Black to be also added in mixer, glue furnacing temperature is 65~80 DEG C, the refining glue time 100~300 seconds；
Sizing material in mixer is fed directly to calender by S4, tabletting, and adjustment calendar rolls barrel spacing is 1~8mm；
Extrude the smooth film of 1~8mm thickness.
In S1, paraffin number is 8~15 parts.
Embodiment 1: the preparation process of tire building reverse-wrapped capsule utricule film:
S1, the formula for designing utricule film, 40 parts of cis-butadiene cement, 2 parts of zinc oxide, 3 parts of stearic acid, prevent old by 60 parts of natural gum
2 parts of agent, 8 parts of paraffin, 3 parts, 40 parts of carbon black, 2 parts of sulphur, 2 parts of promotor, 2 parts of homogenizing agent, 2 parts of antiscorching agent of operation oil；
S2, one section of refining glue, by 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black is added in mixer, glue furnacing temperature 70
DEG C, the refining glue time 120 seconds；
S3, two sections of refining glues by zinc oxide, stearic acid, anti-aging agent, paraffin, operation oil, sulphur, promotor, homogenizing agent, prevent
Burnt agent is mixed, and is added in the mixer in S1 together, meanwhile, by remaining 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 charcoal
Black to be also added in mixer, glue furnacing temperature is 80 DEG C, the refining glue time 180 seconds；
Sizing material in mixer is fed directly to calender by S4, tabletting, and adjustment calendar rolls barrel spacing is 4mm；It extrudes
The smooth film of 4mm thickness.
Film is tested for the property: tensile strength 25.2MPa, tearing strength 87.4kN/m, elongation at break 618%,
Hardness 56A.After film room temperature 240h, surface will appear the visible precipitation film of one layer of naked eyes, be smooth to the touch.
Embodiment 2: a kind of preparation method of tire building reverse-wrapped capsule utricule film, specific preparation process are as follows:
S1, the formula for designing utricule film, 50 parts of cis-butadiene cement, 1 part of zinc oxide, 4 parts of stearic acid, prevent old by 50 parts of natural gum
3 parts of agent, 5 parts of paraffin, 2 parts, 40 parts of carbon black, 1 part of sulphur, 1 part of promotor, 1 part of homogenizing agent, 1 part of antiscorching agent of operation oil；
S2, one section of refining glue, by 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black is added in mixer, glue furnacing temperature 65
DEG C, the refining glue time 100 seconds；
S3, two sections of refining glues by zinc oxide, stearic acid, anti-aging agent, paraffin, operation oil, sulphur, promotor, homogenizing agent, prevent
Burnt agent is mixed, and is added in the mixer in S1 together, meanwhile, by remaining 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 charcoal
Black to be also added in mixer, glue furnacing temperature is 70 DEG C, the refining glue time 300 seconds；
Sizing material in mixer is fed directly to calender by S4, tabletting, and adjustment calendar rolls barrel spacing is 3mm；It extrudes
The smooth film of 3mm thickness.
Film is tested for the property: tensile strength 23.6MPa, tearing strength 86.1kN/m, elongation at break 586%,
Hardness 57A.After film room temperature 360h, surface will appear the visible precipitation film of one layer of naked eyes, be smooth to the touch.
Embodiment 3: a kind of preparation method of tire building reverse-wrapped capsule utricule film, specific preparation process are as follows:
S1, the formula for designing utricule film, 35 parts of cis-butadiene cement, 2 parts of zinc oxide, 2 parts of stearic acid, prevent old by 65 parts of natural gum
5 parts of agent, 12 parts of paraffin, 5 parts, 50 parts of carbon black, 3 parts of sulphur, 3 parts of promotor, 3 parts of homogenizing agent, 3 parts of antiscorching agent of operation oil；
S2, one section of refining glue, by 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black is added in mixer, glue furnacing temperature 75
DEG C, the refining glue time 120 seconds；
S3, two sections of refining glues by zinc oxide, stearic acid, anti-aging agent, paraffin, operation oil, sulphur, promotor, homogenizing agent, prevent
Burnt agent is mixed, and is added in the mixer in S1 together, meanwhile, by remaining 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 charcoal
Black to be also added in mixer, glue furnacing temperature is 80 DEG C, the refining glue time 100 seconds；
Sizing material in mixer is fed directly to calender by S4, tabletting, and adjustment calendar rolls barrel spacing is 8mm；It extrudes
The smooth film of 8mm thickness.
Film is tested for the property: tensile strength 24.8MPa, tearing strength 92.7kN/m, elongation at break 589%,
Hardness 58A；After film room temperature 168h, surface will appear the visible precipitation film of one layer of naked eyes, be smooth to the touch.
Claims (3)
1. a kind of preparation method of tire building reverse-wrapped capsule utricule film, which is characterized in that
Preparation process is as follows:
S1, the formula for designing utricule film, 50~65 parts of natural gum, 35~50 parts of cis-butadiene cement, 0~2 part of zinc oxide, stearic acid 0
~5 parts, 1~5 part of anti-aging agent, 1~15 part of paraffin, 1~5 part of operation oil, 40~50 parts of carbon black, 1~3 part of sulphur, promotor 1~
3 parts, 1~3 part of homogenizing agent, 1~3 part of antiscorching agent；
S2, one section of refining glue, by 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black is added in mixer, and glue furnacing temperature is 65~75
DEG C, the refining glue time 100~120 seconds；
S3, two sections of refining glues, by zinc oxide, stearic acid, anti-aging agent, paraffin, operation oil, sulphur, promotor, homogenizing agent, antiscorching agent
It is mixed, is added in the mixer in S1 together, meanwhile, by remaining 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black
It is added in mixer, glue furnacing temperature is 65~80 DEG C, the refining glue time 100~300 seconds；
Sizing material in mixer is fed directly to calender by S4, tabletting, and adjustment calendar rolls barrel spacing is 1~8mm；Extrude 1
The smooth film of~8mm thickness.
2. a kind of preparation method of tire building reverse-wrapped capsule utricule film according to claim 1, which is characterized in that
In S1, paraffin number is 8~15 parts.
3. a kind of preparation method of tire building reverse-wrapped capsule utricule film according to claim 1, which is characterized in that
S1, the formula for designing utricule film, 60 parts of natural gum, 40 parts of cis-butadiene cement, 2 parts of zinc oxide, 3 parts of stearic acid, anti-aging agent 2
Part, 8 parts of paraffin, 3 parts, 40 parts of carbon black, 2 parts of sulphur, 2 parts of promotor, 2 parts of homogenizing agent, 2 parts of antiscorching agent of operation oil；
S2, one section of refining glue, by 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black is added in mixer, and glue furnacing temperature is 70 DEG C, refining
The glue time 120 seconds；
S3, two sections of refining glues, by zinc oxide, stearic acid, anti-aging agent, paraffin, operation oil, sulphur, promotor, homogenizing agent, antiscorching agent
It is mixed, is added in the mixer in S1 together, meanwhile, by remaining 1/2 natural gum, 1/2 cis-butadiene cement, 1/2 carbon black
It is added in mixer, glue furnacing temperature is 80 DEG C, the refining glue time 180 seconds；
Sizing material in mixer is fed directly to calender by S4, tabletting, and adjustment calendar rolls barrel spacing is 4mm；Extrude 4mm
Thick smooth film.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111117002A (en) * | 2019-12-24 | 2020-05-08 | 永一橡胶有限公司 | Preparation method of tire turn-up bladder |
| CN112574547A (en) * | 2020-12-14 | 2021-03-30 | 浦林成山（山东）轮胎有限公司 | Rubber composition for tire molding turn-up bladder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117002A (en) * | 2019-12-24 | 2020-05-08 | 永一橡胶有限公司 | Preparation method of tire turn-up bladder |
| CN112574547A (en) * | 2020-12-14 | 2021-03-30 | 浦林成山（山东）轮胎有限公司 | Rubber composition for tire molding turn-up bladder |
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