CN112226086A - Material capable of detecting silica gel ball and preparation method thereof - Google Patents
Material capable of detecting silica gel ball and preparation method thereof Download PDFInfo
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- CN112226086A CN112226086A CN202011064469.3A CN202011064469A CN112226086A CN 112226086 A CN112226086 A CN 112226086A CN 202011064469 A CN202011064469 A CN 202011064469A CN 112226086 A CN112226086 A CN 112226086A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/02—Applications for biomedical use
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- 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
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Abstract
The invention relates to a material capable of detecting silica gel balls and a preparation method thereof, wherein the material mainly comprises the following components in percentage by weight: 46.5% -86.2% of silica gel rubber compound; 0.6 to 0.8 percent of vulcanizing agent; 0.8 to 0.9 percent of colorant; 12.1 to 52.1 percent of barium sulfate; the silica gel rubber compound mainly comprises a mixture of silica gel raw rubber, methyl silicone oil and white carbon black; the detectable silica gel ball prepared by the invention reaches the food grade, has good physical and mechanical properties and better friction resistance, can be used in a matched manner in cleaning equipment, can efficiently and quickly clean the utensil, is beneficial to improving the cleaning degree and speed of cleaning, and can judge whether the utensil is clean or not by detecting whether residues exist on the utensil or not after cleaning.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of detection materials, in particular to a material capable of detecting a silica gel ball and a preparation method thereof.
[ background of the invention ]
Medical instruments such as scalpels, surgical scissors, bone clamps, needles, tooth forceps and the like are repeatedly used, so that cleaning and disinfection after use are extremely important, and because the medical instruments are related to the safety problem of the next doctor, the medical instruments cannot be thoroughly cleaned and disinfected, other people can be infected, and adverse effects and injuries can be caused on the health of people. The existing cleaning process is roughly as follows: firstly, washing pollutants on medical instruments with clean water, carrying out primary cleaning, then soaking the instruments in cleaning liquid (multienzyme, alcohol, glutaraldehyde and the like, selecting different cleaning liquids for disinfection according to different cleaned instruments) for 15-30 minutes, and cleaning the instruments with the multienzyme and other cleaning liquids in an ultrasonic cleaning machine for 15-30 minutes; after the 3 steps are finished, using purified water as cleaning fluid, and carrying out ultrasonic cleaning again for 15-30 minutes; then high-temperature disinfection is carried out; and finally, packaging, labeling and standby. The washing procedure is complicated, the resource consumption is large, and whether the washed appliance meets the requirements or not can not be judged.
[ summary of the invention ]
In order to solve the problems, the invention provides a material capable of detecting a silica gel ball and a preparation method thereof, the silica gel ball is beneficial to improving the cleaning degree and speed of cleaning, and whether the utensil is clean can be judged by detecting whether residues exist on the utensil after cleaning.
In order to achieve the purpose, the invention provides the following technical scheme:
a material capable of detecting a silica gel ball mainly comprises the following components in percentage by weight:
46.5% -86.2% of silica gel rubber compound;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate;
as a preferred embodiment, further defined is: the silica gel rubber compound mainly comprises a mixture of silica gel raw rubber, methyl silicone oil and white carbon black.
As a preferred embodiment, further defined is: the material mainly comprises the following components in percentage by weight:
18.6 to 51.7 percent of silica gel crude rubber;
0-8.6% of methyl silicone oil;
13.9 to 51.7 percent of white carbon black;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate.
As a preferred embodiment, further defined is: the material mainly comprises the following components in percentage by weight:
75.7% of silica gel gross rubber;
0.8 percent of vulcanizing agent;
0.8% of a coloring agent;
22.7 percent of barium sulfate.
As a preferred embodiment, further defined is: the silica gel rubber compound mainly comprises the following components in percentage by mass:
50.7 percent of silica gel crude rubber;
4.6 percent of methyl silicone oil;
20.4 percent of white carbon black.
As a preferred embodiment, further defined is: the raw silica gel is silicon dioxide.
As a preferred embodiment, further defined is: the vulcanizing agent is a bis-dipenta vulcanizing agent.
As a preferred embodiment, further defined is: the colorant is silica gel color master batch.
A preparation method of a detectable silica gel ball comprises the following steps:
step S1: the required raw materials of the components are obtained by weighing according to the following weight percentages:
46.5% -86.2% of silica gel rubber compound;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate;
step S2: putting the silica gel rubber compound into an open mill, wherein the silica gel rubber compound is plasticized into a soft rubber sheet of a wrapping roller from a block shape;
step S3: adding the barium sulfate into an open mill in batches for multiple times, and rolling the rolled flexible film again;
step S4: adding the vulcanizing agent and the coloring agent into an open mill, and rolling and then discharging to form a sizing material;
step S5: and putting the rubber material into a mold, and carrying out vulcanization and pressurization processes to form a finished silica gel ball.
As a preferred embodiment, further defined is: the step S5 specifically includes the following steps:
step S51: fixing the mould on a flat vulcanizing machine;
step S52: opening a machine table of the flat vulcanizing machine by controlling the temperature, wherein the set temperature is 155 +/-5 ℃; heating for about 1H, detecting whether the temperature of the machine table reaches the standard by using a thermometer, and wiping the surface of the mold by using a cloth strip for cleaning;
step S53: putting the rubber material in the step S4 into a mold for mold closing, pressurizing and vulcanizing, wherein the vulcanizing time is 800S;
step S54: and opening the mold to take out the semi-finished product of the silica gel ball, and trimming the redundant water ports on the semi-finished product by using water port pliers to form the finished product of the silica gel ball.
As a preferred embodiment, further defined is: the number of times of rolling in step S3 is 3 to 5.
As a preferred embodiment, further defined is: the number of times of rolling in step S4 is 15.
As a preferred embodiment, further defined is: the silica gel rubber compound mainly comprises the following components in percentage by mass:
18.6 to 51.7 percent of silica gel crude rubber;
0-8.6% of methyl silicone oil;
13.9 to 51.7 percent of white carbon black.
The beneficial effects of the invention are as follows: the detectable silica gel ball prepared by the invention reaches the food grade, has good physical and mechanical properties and better friction resistance, can be used in a matched manner in cleaning equipment, can efficiently and quickly clean the utensil, is beneficial to improving the cleaning degree and speed of cleaning, and can judge whether the utensil is clean or not by detecting whether residues exist on the utensil or not after cleaning.
[ detailed description ] embodiments
The invention is described in further detail below with reference to specific embodiments:
a material capable of detecting a silica gel ball mainly comprises the following components in percentage by weight:
46.5% -86.2% of silica gel rubber compound;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate;
in this example, the silica gel compound was mainly composed of a mixture of crude silica gel, methyl silicone oil and white carbon black. Wherein the methyl silicone oil is colorless transparent viscous liquid. Is tasteless. No bad smell. Is nontoxic. The molecular formula is CH3[ Si (cH3)2] nSi (CH3) 3. The average molecular weight is 5000-100000. The kinematic viscosity varies from 1.0X 10-6 to 100000X 10-6 square meters per second depending on the molecular weight. The long-term use temperature range is-50 to 180 ℃, and the long-term use can be carried out under the condition of air isolation or in inert gas at the temperature of 200 ℃. The viscosity coefficient is 0.31 to 0.61. White carbon black is a general name of white powdery X-ray amorphous silicic acid and silicate products. White carbon black is a porous substance, the composition of which can be expressed as sio 2. nH2o, wherein nH2O exists in the form of surface hydroxyl groups. It is soluble in caustic alkali and hydrofluoric acid, and insoluble in water, solvent and acid (except hydrofluoric acid). High-temperature resistance, non-combustion, tastelessness, odorless and good electrical insulation.
More specifically, the material mainly comprises the following components in percentage by weight:
18.6 to 51.7 percent of silica gel crude rubber;
0-8.6% of methyl silicone oil;
13.9 to 51.7 percent of white carbon black;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate.
In this embodiment, the optimal formulation ratio is that the material mainly comprises the following components by weight percent:
75.7% of silica gel gross rubber;
0.8 percent of vulcanizing agent;
0.8% of a coloring agent;
22.7 percent of barium sulfate.
In the embodiment, the optimal formula proportion of the silica gel rubber compound is that the material mainly comprises the following components in percentage by weight:
50.7 percent of silica gel crude rubber;
4.6 percent of methyl silicone oil;
20.4 percent of white carbon black.
In this embodiment, the raw silica gel is silica; silica is chemically stable and non-flammable, and silica gel is an amorphous silica.
In this example, the sulfiding agent is a bis-penta sulfiding agent; the bis-dipenta-vulcanizing agent is a chemical substance and is used as a cross-linking agent of adhesives such as silicon rubber, chlorosulfonated polyethylene, polyurethane, EVA and the like, and the bis-dipenta-vulcanizing agent [1], abbreviated as DBPH, has the chemical name of 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane and has the molecular weight of 290.44. Light yellow liquid and paste and milky powder, relative density 0.8650. The freezing point is 8 ℃. The boiling point is 50-52 ℃ (13 Pa). The refractive index is 1.418-1.419. The liquid viscosity is 6.5 mPa.s. Flash point (open cup) 58 ℃. Is soluble in most organic solvents such as alcohol, ether, ketone, ester, aromatic hydrocarbon and the like, and is insoluble in water.
In this embodiment, the colorant is a silica gel color master batch; the silica gel color master batch is prepared by mixing special silica gel, various toner and various auxiliary agents, is used for coloring various silica gel products, is suitable for compression molding process, and has convenient operation, temperature resistance, good dispersibility and strong coloring strength. Passes a plurality of standards of European Union ROHS, REACH, FDA and LFGB.
In this example, the barium sulfate was a odorless, tasteless powder. Dissolved in hot concentrated sulfuric acid, and hardly dissolved in water, dilute acid and alcohol. The aqueous suspension is neutral to litmus paper, and the substance can be detected by an X-ray detection device. In the use, because the friction of utensil and silica gel ball makes barium sulfate adhere to the surface at the utensil and be favorable to follow-up through equipment to detect, and then judge whether the utensil is clean.
A preparation method of a detectable silica gel ball comprises the following steps:
step S1: the required raw materials of the components are obtained by weighing according to the following weight percentages:
46.5% -86.2% of silica gel rubber compound;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate;
step S2: putting the silica gel rubber compound into an open mill, wherein the silica gel rubber compound is plasticized into a soft rubber sheet of a wrapping roller from a block shape;
step S3: adding the barium sulfate into an open mill in batches for multiple times, and rolling the rolled flexible film again; the rolling times are 3-5 times;
step S4: adding the vulcanizing agent and the coloring agent into an open mill, and rolling and then discharging to form a sizing material; the rolling times are 15 times;
step S5: and putting the rubber material into a mold, and carrying out vulcanization and pressurization processes to form a finished silica gel ball.
As a preferred embodiment, further defined is: the step S5 specifically includes the following steps:
step S51: fixing the mould on a flat vulcanizing machine;
step S52: opening a machine table of the flat vulcanizing machine by controlling the temperature, wherein the set temperature is 155 +/-5 ℃; heating for about 1H, detecting whether the temperature of the machine table reaches the standard by using a thermometer, and wiping the surface of the mold by using a cloth strip for cleaning;
step S53: putting the rubber material in the step S4 into a mold for mold closing, pressurizing and vulcanizing, wherein the vulcanizing time is 800S;
step S54: and opening the mold to take out the semi-finished product of the silica gel ball, and trimming the redundant water ports on the semi-finished product by using water port pliers to form the finished product of the silica gel ball.
In this embodiment, the silica gel rubber compound mainly comprises the following components in percentage by mass:
18.6 to 51.7 percent of silica gel crude rubber;
0-8.6% of methyl silicone oil;
13.9 to 51.7 percent of white carbon black.
The invention is described in further detail below with reference to examples 1 to 4:
example 1
The detectable silica gel ball is prepared according to the following method, and the specific steps are as follows:
step S1: the required raw materials of the components are obtained by weighing according to the following weight percentages:
75.7 percent of silica gel gross rubber
0.8 percent of bis-di-penta vulcanizing agent
0.8 percent of silica gel color master batch
22.7 percent of barium sulfate.
Step S2: putting the silica gel rubber compound into an open mill, wherein the silica gel rubber compound is plasticized into a soft rubber sheet of a wrapping roller from a block shape;
step S3: adding the barium sulfate into an open mill in batches for multiple times, and rolling the rolled flexible film again; the rolling times are 3-5 times;
step S4: adding the bis-penta vulcanizing agent and the silica gel color master batch into an open mill, and rolling and discharging to form a sizing material; the rolling times are 15 times;
step S5: fixing the mould on a flat vulcanizing machine;
step S6: opening a machine table of the flat vulcanizing machine by controlling the temperature, wherein the set temperature is 155 +/-5 ℃; heating for about 1H, detecting whether the temperature of the machine table reaches the standard by using a thermometer, and wiping the surface of the mold by using a cloth strip for cleaning;
step S7: putting the rubber material in the step S4 into a mold for mold closing, pressurizing and vulcanizing, wherein the vulcanizing time is 800S;
step S8: and opening the mold to take out the semi-finished product of the silica gel ball, and trimming the redundant water ports on the semi-finished product by using water port pliers to form the finished product of the silica gel ball.
In this embodiment, the silica gel rubber compound mainly comprises the following components in percentage by mass:
50.7 percent of silica gel crude rubber;
4.6 percent of methyl silicone oil;
20.4 percent of white carbon black.
Example 2
The detectable silica gel ball is prepared according to the following method, and the specific steps are as follows:
step S1: the required raw materials of the components are obtained by weighing according to the following weight percentages:
70.4 percent of silica gel gross rubber
0.7 percent of bis-di-penta vulcanizing agent
0.8 percent of silica gel color master batch
28.1 percent of barium sulfate.
Step S2: putting the silica gel rubber compound into an open mill, wherein the silica gel rubber compound is plasticized into a soft rubber sheet of a wrapping roller from a block shape;
step S3: adding the barium sulfate into an open mill in batches for multiple times, and rolling the rolled flexible film again; the rolling times are 3-5 times;
step S4: adding the bis-penta vulcanizing agent and the silica gel color master batch into an open mill, and rolling and discharging to form a sizing material; the rolling times are 15 times;
step S5: fixing the mould on a flat vulcanizing machine;
step S6: opening a machine table of the flat vulcanizing machine by controlling the temperature, wherein the set temperature is 155 +/-5 ℃; heating for about 1H, detecting whether the temperature of the machine table reaches the standard by using a thermometer, and wiping the surface of the mold by using a cloth strip for cleaning;
step S7: putting the rubber material in the step S4 into a mold for mold closing, pressurizing and vulcanizing, wherein the vulcanizing time is 800S;
step S8: and opening the mold to take out the semi-finished product of the silica gel ball, and trimming the redundant water ports on the semi-finished product by using water port pliers to form the finished product of the silica gel ball.
In this embodiment, the silica gel rubber compound mainly comprises the following components in percentage by mass:
47.2 percent of crude silica gel;
4.2 percent of methyl silicone oil;
19.0 percent of white carbon black.
Example 3
The detectable silica gel ball is prepared according to the following method, and the specific steps are as follows:
step S1: the required raw materials of the components are obtained by weighing according to the following weight percentages:
68.0 percent of silica gel gross rubber
0.7 percent of bis-di-penta vulcanizing agent
0.8 percent of silica gel color master batch
30.5 percent of barium sulfate.
Step S2: putting the silica gel rubber compound into an open mill, wherein the silica gel rubber compound is plasticized into a soft rubber sheet of a wrapping roller from a block shape;
step S3: adding the barium sulfate into an open mill in batches for multiple times, and rolling the rolled flexible film again; the rolling times are 3-5 times;
step S4: adding the bis-penta vulcanizing agent and the silica gel color master batch into an open mill, and rolling and discharging to form a sizing material; the rolling times are 15 times;
step S5: fixing the mould on a flat vulcanizing machine;
step S6: opening a machine table of the flat vulcanizing machine by controlling the temperature, wherein the set temperature is 155 +/-5 ℃; heating for about 1H, detecting whether the temperature of the machine table reaches the standard by using a thermometer, and wiping the surface of the mold by using a cloth strip for cleaning;
step S7: putting the rubber material in the step S4 into a mold for mold closing, pressurizing and vulcanizing, wherein the vulcanizing time is 800S;
step S8: and opening the mold to take out the semi-finished product of the silica gel ball, and trimming the redundant water ports on the semi-finished product by using water port pliers to form the finished product of the silica gel ball.
In this embodiment, the silica gel rubber compound mainly comprises the following components in percentage by mass:
45.6 percent of silica gel crude rubber;
4.0 percent of methyl silicone oil;
18.4 percent of white carbon black.
Example 4
The detectable silica gel ball is prepared according to the following method, and the specific steps are as follows:
step S1: the required raw materials of the components are obtained by weighing according to the following weight percentages:
65.7 percent of silica gel gross rubber
0.7 percent of bis-di-penta vulcanizing agent
0.8 percent of silica gel color master batch
32.8 percent of barium sulfate.
Step S2: putting the silica gel rubber compound into an open mill, wherein the silica gel rubber compound is plasticized into a soft rubber sheet of a wrapping roller from a block shape;
step S3: adding the barium sulfate into an open mill in batches for multiple times, and rolling the rolled flexible film again; the rolling times are 3-5 times;
step S4: adding the bis-penta vulcanizing agent and the silica gel color master batch into an open mill, and rolling and discharging to form a sizing material; the rolling times are 15 times;
step S5: fixing the mould on a flat vulcanizing machine;
step S6: opening a machine table of the flat vulcanizing machine by controlling the temperature, wherein the set temperature is 155 +/-5 ℃; heating for about 1H, detecting whether the temperature of the machine table reaches the standard by using a thermometer, and wiping the surface of the mold by using a cloth strip for cleaning;
step S7: putting the rubber material in the step S4 into a mold for mold closing, pressurizing and vulcanizing, wherein the vulcanizing time is 800S;
step S8: and opening the mold to take out the semi-finished product of the silica gel ball, and trimming the redundant water ports on the semi-finished product by using water port pliers to form the finished product of the silica gel ball.
In this embodiment, the silica gel rubber compound mainly comprises the following components in percentage by mass:
44.0% of silica gel crude rubber;
3.9 percent of methyl silicone oil;
17.8 percent of white carbon black.
Inventive examples 1 to 4 were tested according to QIC4008 rubber validation procedure a-3 with the following test results:
as can be seen from the above table, example 1 is the most preferred embodiment of the present invention.
The invention has the following advantages:
the detectable silica gel ball prepared by the invention reaches the food grade, has good physical and mechanical properties and better friction resistance, can be used in a matched manner in cleaning equipment, can efficiently and quickly clean the utensil, is beneficial to improving the cleaning degree and speed of cleaning, and can judge whether the utensil is clean or not by detecting whether residues exist on the utensil or not after cleaning.
The key material created by the invention is barium sulfate, the silica gel ball which can be used in cleaning equipment is prepared by the formula, the silica gel ball is put into the cleaning equipment according to a certain proportion, an appliance to be cleaned is put into the equipment, cleaning solution is added, cleaning parameters are adjusted, the appliance is taken out after cleaning is finished and is cleaned for the second time, finally, detectability detection is carried out before storage, the cleaned appliance is subjected to surface residue detection by X-ray detection equipment, the appliance is basically made of stainless steel, X-ray can penetrate through the stainless steel, the barium sulfate belongs to heavy metal salt, the chemical property is stable, the performance of absorbing X-ray and gamma-ray can be developed, if no residual barium sulfate exists on the surface of the appliance, the appliance cannot be developed, and the appliance is cleaned.
Claims (13)
1. The material for detecting the silica gel ball is characterized by mainly comprising the following components in percentage by weight:
46.5% -86.2% of silica gel rubber compound;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate.
2. The material for detecting silica gel balls according to claim 1, wherein the silica gel rubber compound mainly comprises a mixture of crude silica gel, methyl silicone oil and white carbon black.
3. The material for detecting silica gel balls according to claim 2, wherein the material is mainly composed of the following components by weight percent:
18.6 to 51.7 percent of silica gel crude rubber;
0-8.6% of methyl silicone oil;
13.9 to 51.7 percent of white carbon black;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate.
4. The material for detecting silica gel balls according to claim 3, wherein the material is mainly composed of the following components by weight percent:
75.7% of silica gel gross rubber;
0.8 percent of vulcanizing agent;
0.8% of a coloring agent;
22.7 percent of barium sulfate.
5. The material for detecting silica gel balls according to claim 4, wherein the silica gel rubber compound mainly comprises the following components in percentage by mass:
50.7 percent of silica gel crude rubber;
4.6 percent of methyl silicone oil;
20.4 percent of white carbon black.
6. The detectable silica gel sphere material of any one of claims 2-5, wherein the crude silica gel is silica.
7. The material of the detectable silica gel ball according to any one of claims 1-5, wherein the vulcanizing agent is a bis-di-penta vulcanizing agent.
8. The detectable silicone ball material of any one of claims 1-5, wherein the colorant is a silicone color concentrate.
9. A preparation method of a detectable silica gel ball is characterized by comprising the following steps:
step S1: the required raw materials of the components are obtained by weighing according to the following weight percentages:
46.5% -86.2% of silica gel rubber compound;
0.6 to 0.8 percent of vulcanizing agent;
0.8 to 0.9 percent of colorant;
12.1 to 52.1 percent of barium sulfate;
step S2: putting the silica gel rubber compound into an open mill, wherein the silica gel rubber compound is plasticized into a soft rubber sheet of a wrapping roller from a block shape;
step S3: adding the barium sulfate into an open mill in batches for multiple times, and rolling the rolled flexible film again;
step S4: adding the vulcanizing agent and the coloring agent into an open mill, and rolling and then discharging to form a sizing material;
step S5: and putting the rubber material into a mold, and carrying out vulcanization and pressurization processes to form a finished silica gel ball.
10. The method for preparing the detectable silicone ball according to claim 9, wherein the step S5 specifically comprises the following steps:
step S51: fixing the mould on a flat vulcanizing machine;
step S52: opening a machine table of the flat vulcanizing machine by controlling the temperature, wherein the set temperature is 155 +/-5 ℃; heating for about 1H, detecting whether the temperature of the machine table reaches the standard by using a thermometer, and wiping the surface of the mold by using a cloth strip for cleaning;
step S53: putting the rubber material in the step S4 into a mold for mold closing, pressurizing and vulcanizing, wherein the vulcanizing time is 800S;
step S54: and opening the mold to take out the semi-finished product of the silica gel ball, and trimming the redundant water ports on the semi-finished product by using water port pliers to form the finished product of the silica gel ball.
11. The method for preparing the detectable silicone ball according to claim 9, wherein the number of rolling in step S3 is 3-5.
12. The method for preparing the detectable silicone ball according to claim 9, wherein the number of rolling in step S4 is 15.
13. The method for preparing the detectable silica gel ball according to any one of claims 9 to 11, wherein the silica gel rubber compound mainly comprises the following components in percentage by mass:
18.6 to 51.7 percent of silica gel crude rubber;
0-8.6% of methyl silicone oil;
13.9 to 51.7 percent of white carbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064469.3A CN112226086A (en) | 2020-09-30 | 2020-09-30 | Material capable of detecting silica gel ball and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064469.3A CN112226086A (en) | 2020-09-30 | 2020-09-30 | Material capable of detecting silica gel ball and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061649A1 (en) * | 2003-12-24 | 2005-07-07 | James Walker New Zealand Limited | Resilient compound for sealing device comprising detectable material such as barium sulfate |
| CN105860542A (en) * | 2016-06-06 | 2016-08-17 | 山东莱芜电瓷有限公司 | High temperature vulcanized silicone rubber compound and mixing and manufacturing method thereof |
| CN107115556A (en) * | 2017-05-16 | 2017-09-01 | 湖北康泉医疗科技有限责任公司 | Medical development foam and preparation method thereof |
| CN110694079A (en) * | 2019-11-14 | 2020-01-17 | 天津搏飞科技发展有限公司 | Gastrointestinal tract contrast imaging agent and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005061649A1 (en) * | 2003-12-24 | 2005-07-07 | James Walker New Zealand Limited | Resilient compound for sealing device comprising detectable material such as barium sulfate |
| CN105860542A (en) * | 2016-06-06 | 2016-08-17 | 山东莱芜电瓷有限公司 | High temperature vulcanized silicone rubber compound and mixing and manufacturing method thereof |
| CN107115556A (en) * | 2017-05-16 | 2017-09-01 | 湖北康泉医疗科技有限责任公司 | Medical development foam and preparation method thereof |
| CN110694079A (en) * | 2019-11-14 | 2020-01-17 | 天津搏飞科技发展有限公司 | Gastrointestinal tract contrast imaging agent and preparation method thereof |
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