CN109762311A - The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind and its preparation process - Google Patents
The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind and its preparation process Download PDFInfo
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Abstract
The invention discloses the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind and its preparation processes, the wherein low organosilicon fiber glass reinforced PBT material of low fragrance, is made of raw material from the following weight: 40-50 parts of PBT resin, 4-8 parts of glass fibre, 3-5 parts of antistatic agent, 2-6 parts of coupling agent, 4-8 parts of silicone oil, 2-6 parts of antioxidant, 1-5 parts of fire retardant, 4-8 parts of dispersing agent, 3-6 parts of toughener, 4-8 parts of lead octoate, 2-6 parts of disodium hydrogen phosphate, 1-3 parts of dehydroactic acid sodium, 2-4 parts of dimethyl fumarate；Its preparation process is the following steps are included: S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol by weight, and will weigh obtained stearmide and advanced raw polyol is placed in corrosion-resistant container.The present invention has rational design, by adding the auxiliary agents such as deca-BDE and titanate esters in the feed, effectively improves thermal stability, antibiotic property, inoxidizability and the flame retardant property that the low organosilicon fiber glass reinforced PBT material of low fragrance is made, increases the safety of PBT material.
Description
Technical field
The present invention relates to PBT material processing technique fields, more particularly to a kind of low organosilicon fiber glass reinforced PBT material of low fragrance
Material and its preparation process.
Background technique
PBT(polybutylene terephthalate (PBT)) material not only has high mechanical strength, fatigue durability and dimensional stability
It is good, the excellent physical mechanical properties such as ageing-resistant performance is excellent, and also its electrical characteristic is also extremely excellent, such as its volume resistivity
And dielectric strength is high, arc resistance is excellent, under moist and hot environment, electric performance stablity is also able to maintain, so PBT material is
Manufacture the ideal material of electric part, engineering plastics of the PBT material as a kind of high performance-price ratio, in public using getting over
Come more extensive.
Through retrieving, application No. is 201110044217.9 patent documents to disclose a kind of halogen-free flame-retardant glass fiber enhancing PBT
Material, constituent fraction representation by weight include: PBT resin 30~70%, fire retardant 12~33%, and glass fibre 1~
40%, toughener 1~10%, lubricant 0.2~3%, nucleating agent 0.1~0.5%, coupling agent 0.1~2%, antioxidant 0.2~
2%.Halogen-free flame-retardant glass fiber enhancing PBT material not only increases the flame retardant property of PBT material, and is able to maintain simultaneously excellent
Mechanical performance and electrical property enhance the safety of PBT material.But its flame retardant property of existing PBT material is still lower, thermostabilization
Property it is poor so that the safety of PBT material is insufficient, limit the application range of PBT material, therefore we have proposed a kind of low fragrance
Low organosilicon fiber glass reinforced PBT material and its preparation process are for solving the above problems.
Summary of the invention
Technical problems based on background technology, the invention proposes the low organosilicon fiber glass reinforced PBTs of the low fragrance of one kind
Material and its preparation process.
The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind proposed by the present invention, is made of raw material from the following weight:
40-50 parts of PBT resin, 4-8 parts of glass fibre, 3-5 parts of antistatic agent, 2-6 parts of coupling agent, 4-8 parts of silicone oil, antioxidant 2-
6 parts, 1-5 parts of fire retardant, 4-8 parts of dispersing agent, 3-6 parts of toughener, 4-8 parts of lead octoate, 2-6 parts of disodium hydrogen phosphate, dehydroactic acid
1-3 parts of sodium, 2-4 parts of dimethyl fumarate；
The coupling agent is titanate esters, and the fire retardant is deca-BDE, the tristearin that the dispersing agent is 0.5-2 parts
The mixture of amide and 0.5-3 parts of higher alcohol.
Preferably, the low organosilicon fiber glass reinforced PBT material of a kind of low fragrance, is made of raw material from the following weight:
43-47 parts of PBT resin, 5-7 parts of glass fibre, 3.5-4.5 parts of antistatic agent, 3-5 parts of coupling agent, 5-7 parts of silicone oil, antioxygen
3-5 parts of agent, 2-4 parts of fire retardant, 5-7 parts of dispersing agent, 4-5 parts of toughener, 5-7 parts of lead octoate, 3-5 parts of disodium hydrogen phosphate, dehydrogenation
1.5-2.5 parts of sodium acetate, 2.5-3.5 parts of dimethyl fumarate.
Preferably, the low organosilicon fiber glass reinforced PBT material of a kind of low fragrance, is made of raw material from the following weight:
45 parts of PBT resin, 6 parts of glass fibre, 4 parts of antistatic agent, 4 parts of coupling agent, 6 parts of silicone oil, 4 parts of antioxidant, fire retardant 3
Part, 6 parts of dispersing agent, 4.5 parts of toughener, 6 parts of lead octoate, 4 parts of disodium hydrogen phosphate, 2 parts of dehydroactic acid sodium, dimethyl fumarate 3
Part.
The invention also provides the preparation processes of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind, including following step
It is rapid:
S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol, and the stearoyl that weighing is obtained by weight
Amine and advanced raw polyol are placed in corrosion-resistant container, spare；
S2: by weight successively weigh PBT resin, glass fibre, antistatic agent, coupling agent, silicone oil, antioxidant, fire retardant and
Toughener raw material, and be placed in obtained raw material is weighed in corrosion-resistant container, it is spare；
S3: the PBT resin weighed described in S2, glass fibre and coupling agent raw material are launched into mixing plant and stirred
Processing is mixed, it is heated in whipping process, obtains the first mixture, it is spare；
S4: the antistatic agent weighed described in S2, coupling agent, silicone oil, fire retardant and toughener are launched to described in S3
The first mixture in, and carry out heating stirring processing, obtain the second mixture, it is spare；
S5: weighing described in S1 is obtained into stearmide and advanced raw polyol mixes, and is mixed object and launches into S4
It is stirred mixing in second mixture, obtains third mixture, it is spare；
S6: by the antioxidant weighed described in S2, lead octoate, disodium hydrogen phosphate, dehydroactic acid sodium, dimethyl fumarate,
Third mixture described in fire retardant and toughener raw material and S5 is launched into milling apparatus, is carried out heating to its mixture and is ground
Mill processing, obtains total raw material；
S7: a double-screw agitator is chosen, total raw material described in S6 is uniformly launched and is carried out into the double-screw agitator
Extruding pelletization processing, obtains PBT granular materials；
S8: carrying out low temperature drying processing to PBT granular materials described in S7, obtains the low organosilicon glass of the low fragrance and increases
Strong PBT material.
Preferably, in the S1, when weighing higher alcohol, higher aliphatic chooses isobutanol and isoamyl alcohol any proportion
Mixture.
Preferably, in the S3, when being stirred heating, mixing time is 40-60 minutes, speed of agitator 150-
180 revs/min, heating temperature be 40-60 degrees Celsius.
Preferably, in the S4, when being stirred heating, mixing time is 30-60 minutes, speed of agitator 130-
150 revs/min, heating temperature be 60-90 degrees Celsius.
Preferably, in the S6, when carrying out grinding heating, milling time is 30-60 minutes, grinding pressure 0.2-
0.3MPa, heating temperature are 90-120 degrees Celsius.
Preferably, in the S7, when carrying out extruding pelletization, 1 area's temperature of twin-screw is 220 DEG C, 2 area's temperature are 225
DEG C, 3 area's temperature be 240 DEG C, 4 area's temperature are 240 DEG C, 5 area's temperature are 245 DEG C, 6 area's temperature are 260 DEG C.
Preferably, in the S8, when carrying out low temperature drying processing, drying time is 90-120 minutes, drying temperature is
5-15 degrees Celsius.
Compared with prior art, the beneficial effects of the present invention are:
By preparing the mixture of stearmide, isobutanol and isoamyl alcohol, which can improve the lubricity and heat of PBT material
Stability can be in mixed process by the way that PBT resin, glass fibre and coupling agent raw material are stirred and are heated
In improve the temperature of PBT material primary raw material in advance, and be conducive to primary raw material and other auxiliary agent hybrid reactions in rear process；
Mixing is stirred in primary raw material by sequentially adding other raw materials and auxiliary agent, so that mixing between each section raw material
Sufficiently, and during mixing it is stepped up the temperature of raw material, so that raw material internal temperature is uniform, rear process is avoided to squeeze out
Inside material temperature heating reduces properties of product not in time when molding, by adding deca-BDE, Neng Gouyou in the feed
Effect improves PBT material flame retardant property, is used by adding titanate esters in the feed as coupling agent, and titanate esters itself are both coupling
Agent, be also possible to dispersing agent, wetting agent, adhesive, crosslinking agent, catalyst etc., antirust can also be had concurrently, is anti-oxidant, is fire-retardant etc.
It is multi-functional, so that PBT material surface obtained is smooth, have good thermal stability, improves the application field of PBT material.
The present invention has rational design, by adding the auxiliary agents such as deca-BDE and titanate esters in the feed, effectively improves obtained
Thermal stability, antibiotic property, inoxidizability and the flame retardant property of the low organosilicon fiber glass reinforced PBT material of low fragrance, increase PBT material
Safety.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind is proposed in the present embodiment, is made of raw material from the following weight:
40 parts of PBT resin, 4 parts of glass fibre, 3 parts of antistatic agent, 2 parts of coupling agent, 4 parts of silicone oil, 2 parts of antioxidant, fire retardant 1
Part, 4 parts of dispersing agent, 3 parts of toughener, 4 parts of lead octoate, 2 parts of disodium hydrogen phosphate, 1 part of dehydroactic acid sodium, 2 parts of dimethyl fumarate；
The coupling agent is titanate esters, and the fire retardant is deca-BDE, the tristearin that the dispersing agent is 0.5-2 parts
The mixture of amide and 0.5-3 parts of higher alcohol.
It also proposed a kind of preparation process of the low organosilicon fiber glass reinforced PBT material of low fragrance in the present embodiment, including with
Lower step:
S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol, and the stearoyl that weighing is obtained by weight
Amine and advanced raw polyol are placed in corrosion-resistant container, spare；
S2: by weight successively weigh PBT resin, glass fibre, antistatic agent, coupling agent, silicone oil, antioxidant, fire retardant and
Toughener raw material, and be placed in obtained raw material is weighed in corrosion-resistant container, it is spare；
S3: the PBT resin weighed described in S2, glass fibre and coupling agent raw material are launched into mixing plant and stirred
Processing is mixed, it is heated in whipping process, obtains the first mixture, it is spare；
S4: the antistatic agent weighed described in S2, coupling agent, silicone oil, fire retardant and toughener are launched to described in S3
The first mixture in, and carry out heating stirring processing, obtain the second mixture, it is spare；
S5: weighing described in S1 is obtained into stearmide and advanced raw polyol mixes, and is mixed object and launches into S4
It is stirred mixing in second mixture, obtains third mixture, it is spare；
S6: by the antioxidant weighed described in S2, lead octoate, disodium hydrogen phosphate, dehydroactic acid sodium, dimethyl fumarate,
Third mixture described in fire retardant and toughener raw material and S5 is launched into milling apparatus, is carried out heating to its mixture and is ground
Mill processing, obtains total raw material；
S7: a double-screw agitator is chosen, total raw material described in S6 is uniformly launched and is carried out into the double-screw agitator
Extruding pelletization processing, obtains PBT granular materials；
S8: carrying out low temperature drying processing to PBT granular materials described in S7, obtains the low organosilicon glass of the low fragrance and increases
Strong PBT material.
In the present embodiment, in S1, when weighing higher alcohol, higher aliphatic chooses isobutanol and isoamyl alcohol any proportion
Mixture, in S3, when being stirred heating, mixing time is 55 minutes, speed of agitator is 170 revs/min, heating temperature is
50 degrees Celsius, in S4, when being stirred heating, mixing time is 40 minutes, speed of agitator is 140 revs/min, heating temperature
It is 80 degrees Celsius, in S6, when carrying out grinding heating, milling time is 50 minutes, grinding pressure 0.25MPa, heating temperature
It is 110 degrees Celsius, in S7, when carrying out extruding pelletization, 1 area's temperature of twin-screw is 220 DEG C, 2 area's temperature are 225 DEG C, 3 area's temperature
Degree is 240 DEG C, 4 area's temperature are 240 DEG C, 5 area's temperature are 245 DEG C, 6 area's temperature are 260 DEG C, in S8, is being carried out at low temperature drying
When reason, drying time is 110 minutes, drying temperature is 14 degrees Celsius.
Embodiment two
The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind is proposed in the present embodiment, is made of raw material from the following weight:
43 parts of PBT resin, 5 parts of glass fibre, 3.5 parts of antistatic agent, 3 parts of coupling agent, 5 parts of silicone oil, 3 parts of antioxidant, fire retardant 2
Part, dispersing agent part, 4 parts of toughener, 5 parts of lead octoate, 3 parts of disodium hydrogen phosphate, 1.5 parts of dehydroactic acid sodium, dimethyl fumarate 2.5
Part；
The coupling agent is titanate esters, and the fire retardant is deca-BDE, the tristearin that the dispersing agent is 0.5-2 parts
The mixture of amide and 0.5-3 parts of higher alcohol.
It also proposed a kind of preparation process of the low organosilicon fiber glass reinforced PBT material of low fragrance in the present embodiment, including with
Lower step:
S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol, and the stearoyl that weighing is obtained by weight
Amine and advanced raw polyol are placed in corrosion-resistant container, spare；
S2: by weight successively weigh PBT resin, glass fibre, antistatic agent, coupling agent, silicone oil, antioxidant, fire retardant and
Toughener raw material, and be placed in obtained raw material is weighed in corrosion-resistant container, it is spare；
S3: the PBT resin weighed described in S2, glass fibre and coupling agent raw material are launched into mixing plant and stirred
Processing is mixed, it is heated in whipping process, obtains the first mixture, it is spare；
S4: the antistatic agent weighed described in S2, coupling agent, silicone oil, fire retardant and toughener are launched to described in S3
The first mixture in, and carry out heating stirring processing, obtain the second mixture, it is spare；
S5: weighing described in S1 is obtained into stearmide and advanced raw polyol mixes, and is mixed object and launches into S4
It is stirred mixing in second mixture, obtains third mixture, it is spare；
S6: by the antioxidant weighed described in S2, lead octoate, disodium hydrogen phosphate, dehydroactic acid sodium, dimethyl fumarate,
Third mixture described in fire retardant and toughener raw material and S5 is launched into milling apparatus, is carried out heating to its mixture and is ground
Mill processing, obtains total raw material；
S7: a double-screw agitator is chosen, total raw material described in S6 is uniformly launched and is carried out into the double-screw agitator
Extruding pelletization processing, obtains PBT granular materials；
S8: carrying out low temperature drying processing to PBT granular materials described in S7, obtains the low organosilicon glass of the low fragrance and increases
Strong PBT material.
In the present embodiment, in S1, when weighing higher alcohol, higher aliphatic chooses isobutanol and isoamyl alcohol any proportion
Mixture, in S3, when being stirred heating, mixing time is 52 minutes, speed of agitator is 168 revs/min, heating temperature is
47 degrees Celsius, in S4, when being stirred heating, mixing time is 5 minutes, speed of agitator is 142 revs/min, heating temperature
It is 80 degrees Celsius, in S6, when carrying out grinding heating, milling time is 50 minutes, grinding pressure 0.2-0.3MPa, heats temperature
Degree is 110 degrees Celsius, and in S7, when carrying out extruding pelletization, 1 area's temperature of twin-screw is 220 DEG C, 2 area's temperature are 225 DEG C, 3rd area
Temperature is 240 DEG C, 4 area's temperature are 240 DEG C, 5 area's temperature are 245 DEG C, 6 area's temperature are 260 DEG C, in S8, is carrying out low temperature drying
When processing, drying time is 107 minutes, drying temperature is 11 degrees Celsius.
Embodiment three
The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind is proposed in the present embodiment, is made of raw material from the following weight:
45 parts of PBT resin, 6 parts of glass fibre, 4 parts of antistatic agent, 4 parts of coupling agent, 6 parts of silicone oil, 4 parts of antioxidant, fire retardant 3
Part, 6 parts of dispersing agent, 4.5 parts of toughener, 6 parts of lead octoate, 4 parts of disodium hydrogen phosphate, 2 parts of dehydroactic acid sodium, dimethyl fumarate 3
Part；
The coupling agent is titanate esters, and the fire retardant is deca-BDE, the tristearin that the dispersing agent is 0.5-2 parts
The mixture of amide and 0.5-3 parts of higher alcohol.
It also proposed a kind of preparation process of the low organosilicon fiber glass reinforced PBT material of low fragrance in the present embodiment, including with
Lower step:
S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol, and the stearoyl that weighing is obtained by weight
Amine and advanced raw polyol are placed in corrosion-resistant container, spare；
S2: by weight successively weigh PBT resin, glass fibre, antistatic agent, coupling agent, silicone oil, antioxidant, fire retardant and
Toughener raw material, and be placed in obtained raw material is weighed in corrosion-resistant container, it is spare；
S3: the PBT resin weighed described in S2, glass fibre and coupling agent raw material are launched into mixing plant and stirred
Processing is mixed, it is heated in whipping process, obtains the first mixture, it is spare；
S4: the antistatic agent weighed described in S2, coupling agent, silicone oil, fire retardant and toughener are launched to described in S3
The first mixture in, and carry out heating stirring processing, obtain the second mixture, it is spare；
S5: weighing described in S1 is obtained into stearmide and advanced raw polyol mixes, and is mixed object and launches into S4
It is stirred mixing in second mixture, obtains third mixture, it is spare；
S6: by the antioxidant weighed described in S2, lead octoate, disodium hydrogen phosphate, dehydroactic acid sodium, dimethyl fumarate,
Third mixture described in fire retardant and toughener raw material and S5 is launched into milling apparatus, is carried out heating to its mixture and is ground
Mill processing, obtains total raw material；
S7: a double-screw agitator is chosen, total raw material described in S6 is uniformly launched and is carried out into the double-screw agitator
Extruding pelletization processing, obtains PBT granular materials；
S8: carrying out low temperature drying processing to PBT granular materials described in S7, obtains the low organosilicon glass of the low fragrance and increases
Strong PBT material.
In the present embodiment, in S1, when weighing higher alcohol, higher aliphatic chooses isobutanol and isoamyl alcohol any proportion
Mixture, in S3, when being stirred heating, mixing time is 55 minutes, speed of agitator is 165 revs/min, heating temperature is
45 degrees Celsius, in S4, when being stirred heating, mixing time is 55 minutes, speed of agitator is 145 revs/min, heating temperature
It is 80 degrees Celsius, in S6, when carrying out grinding heating, milling time is 55 minutes, grinding pressure 0.23MPa, heating temperature
It is 115 degrees Celsius, in S7, when carrying out extruding pelletization, 1 area's temperature of twin-screw is 220 DEG C, 2 area's temperature are 225 DEG C, 3 area's temperature
Degree is 240 DEG C, 4 area's temperature are 240 DEG C, 5 area's temperature are 245 DEG C, 6 area's temperature are 260 DEG C, in S8, is being carried out at low temperature drying
When reason, drying time is 118 minutes, drying temperature is 13 degrees Celsius.
Example IV
The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind is proposed in the present embodiment, is made of raw material from the following weight:
47 parts of PBT resin, 7 parts of glass fibre, 4.5 parts of antistatic agent, 5 parts of coupling agent, 7 parts of silicone oil, 5 parts of antioxidant, fire retardant 4
Part, 7 parts of dispersing agent, 5 parts of toughener, 7 parts of lead octoate, 5 parts of disodium hydrogen phosphate, 2.5 parts of dehydroactic acid sodium, dimethyl fumarate
3.5 part；
The coupling agent is titanate esters, and the fire retardant is deca-BDE, the tristearin that the dispersing agent is 0.5-2 parts
The mixture of amide and 0.5-3 parts of higher alcohol.
It also proposed a kind of preparation process of the low organosilicon fiber glass reinforced PBT material of low fragrance in the present embodiment, including with
Lower step:
S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol, and the stearoyl that weighing is obtained by weight
Amine and advanced raw polyol are placed in corrosion-resistant container, spare；
S2: by weight successively weigh PBT resin, glass fibre, antistatic agent, coupling agent, silicone oil, antioxidant, fire retardant and
Toughener raw material, and be placed in obtained raw material is weighed in corrosion-resistant container, it is spare；
S3: the PBT resin weighed described in S2, glass fibre and coupling agent raw material are launched into mixing plant and stirred
Processing is mixed, it is heated in whipping process, obtains the first mixture, it is spare；
S4: the antistatic agent weighed described in S2, coupling agent, silicone oil, fire retardant and toughener are launched to described in S3
The first mixture in, and carry out heating stirring processing, obtain the second mixture, it is spare；
S5: weighing described in S1 is obtained into stearmide and advanced raw polyol mixes, and is mixed object and launches into S4
It is stirred mixing in second mixture, obtains third mixture, it is spare；
S6: by the antioxidant weighed described in S2, lead octoate, disodium hydrogen phosphate, dehydroactic acid sodium, dimethyl fumarate,
Third mixture described in fire retardant and toughener raw material and S5 is launched into milling apparatus, is carried out heating to its mixture and is ground
Mill processing, obtains total raw material；
S7: a double-screw agitator is chosen, total raw material described in S6 is uniformly launched and is carried out into the double-screw agitator
Extruding pelletization processing, obtains PBT granular materials；
S8: carrying out low temperature drying processing to PBT granular materials described in S7, obtains the low organosilicon glass of the low fragrance and increases
Strong PBT material.
In the present embodiment, in S1, when weighing higher alcohol, higher aliphatic chooses isobutanol and isoamyl alcohol any proportion
Mixture, in S3, when being stirred heating, mixing time is 48 minutes, speed of agitator is 168 revs/min, heating temperature is
58 degrees Celsius, in S4, when being stirred heating, mixing time is 45 minutes, speed of agitator is 138 revs/min, heating temperature
It is 77 degrees Celsius, in S6, when carrying out grinding heating, milling time is 50 minutes, grinding pressure 0.27MPa, heating temperature
It is 118 degrees Celsius, in S7, when carrying out extruding pelletization, 1 area's temperature of twin-screw is 220 DEG C, 2 area's temperature are 225 DEG C, 3 area's temperature
Degree is 240 DEG C, 4 area's temperature are 240 DEG C, 5 area's temperature are 245 DEG C, 6 area's temperature are 260 DEG C, in S8, is being carried out at low temperature drying
When reason, drying time is 105 minutes, drying temperature is 10 degrees Celsius.
Embodiment five
The low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind is proposed in the present embodiment, is made of raw material from the following weight:
50 parts of PBT resin, 8 parts of glass fibre, 5 parts of antistatic agent, 6 parts of coupling agent, 8 parts of silicone oil, 6 parts of antioxidant, fire retardant 5
Part, 8 parts of dispersing agent, 6 parts of toughener, 8 parts of lead octoate, 6 parts of disodium hydrogen phosphate, 3 parts of dehydroactic acid sodium, 4 parts of dimethyl fumarate；
The coupling agent is titanate esters, and the fire retardant is deca-BDE, the tristearin that the dispersing agent is 0.5-2 parts
The mixture of amide and 0.5-3 parts of higher alcohol.
It also proposed a kind of preparation process of the low organosilicon fiber glass reinforced PBT material of low fragrance in the present embodiment, including with
Lower step:
S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol, and the stearoyl that weighing is obtained by weight
Amine and advanced raw polyol are placed in corrosion-resistant container, spare；
S2: by weight successively weigh PBT resin, glass fibre, antistatic agent, coupling agent, silicone oil, antioxidant, fire retardant and
Toughener raw material, and be placed in obtained raw material is weighed in corrosion-resistant container, it is spare；
S3: the PBT resin weighed described in S2, glass fibre and coupling agent raw material are launched into mixing plant and stirred
Processing is mixed, it is heated in whipping process, obtains the first mixture, it is spare；
S4: the antistatic agent weighed described in S2, coupling agent, silicone oil, fire retardant and toughener are launched to described in S3
The first mixture in, and carry out heating stirring processing, obtain the second mixture, it is spare；
S5: weighing described in S1 is obtained into stearmide and advanced raw polyol mixes, and is mixed object and launches into S4
It is stirred mixing in second mixture, obtains third mixture, it is spare；
S6: by the antioxidant weighed described in S2, lead octoate, disodium hydrogen phosphate, dehydroactic acid sodium, dimethyl fumarate,
Third mixture described in fire retardant and toughener raw material and S5 is launched into milling apparatus, is carried out heating to its mixture and is ground
Mill processing, obtains total raw material；
S7: a double-screw agitator is chosen, total raw material described in S6 is uniformly launched and is carried out into the double-screw agitator
Extruding pelletization processing, obtains PBT granular materials；
S8: carrying out low temperature drying processing to PBT granular materials described in S7, obtains the low organosilicon glass of the low fragrance and increases
Strong PBT material.
In the present embodiment, in S1, when weighing higher alcohol, higher aliphatic chooses isobutanol and isoamyl alcohol any proportion
Mixture, in S3, when being stirred heating, mixing time is 59 minutes, speed of agitator is 180 revs/min, heating temperature is
60 degrees Celsius, in S4, when being stirred heating, mixing time is 50 minutes, speed of agitator is 140 revs/min, heating temperature
It is 65 degrees Celsius, in S6, when carrying out grinding heating, milling time is 50 minutes, grinding pressure 0.28MPa, heating temperature
It is 113 degrees Celsius, in S7, when carrying out extruding pelletization, 1 area's temperature of twin-screw is 220 DEG C, 2 area's temperature are 225 DEG C, 3 area's temperature
Degree is 240 DEG C, 4 area's temperature are 240 DEG C, 5 area's temperature are 245 DEG C, 6 area's temperature are 260 DEG C, in S8, is being carried out at low temperature drying
When reason, drying time is 108 minutes, drying temperature is 12 degrees Celsius.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind, which is characterized in that be made of raw material from the following weight:
40-50 parts of PBT resin, 4-8 parts of glass fibre, 3-5 parts of antistatic agent, 2-6 parts of coupling agent, 4-8 parts of silicone oil, antioxidant 2-
6 parts, 1-5 parts of fire retardant, 4-8 parts of dispersing agent, 3-6 parts of toughener, 4-8 parts of lead octoate, 2-6 parts of disodium hydrogen phosphate, dehydroactic acid
1-3 parts of sodium, 2-4 parts of dimethyl fumarate；
The coupling agent is titanate esters, and the fire retardant is deca-BDE, the tristearin that the dispersing agent is 0.5-2 parts
The mixture of amide and 0.5-3 parts of higher alcohol.
2. the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 1, which is characterized in that by following
The raw material of parts by weight is made:
43-47 parts of PBT resin, 5-7 parts of glass fibre, 3.5-4.5 parts of antistatic agent, 3-5 parts of coupling agent, 5-7 parts of silicone oil, antioxygen
3-5 parts of agent, 2-4 parts of fire retardant, 5-7 parts of dispersing agent, 4-5 parts of toughener, 5-7 parts of lead octoate, 3-5 parts of disodium hydrogen phosphate, dehydrogenation
1.5-2.5 parts of sodium acetate, 2.5-3.5 parts of dimethyl fumarate.
3. the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 1, which is characterized in that by following
The raw material of parts by weight is made:
45 parts of PBT resin, 6 parts of glass fibre, 4 parts of antistatic agent, 4 parts of coupling agent, 6 parts of silicone oil, 4 parts of antioxidant, fire retardant 3
Part, 6 parts of dispersing agent, 4.5 parts of toughener, 6 parts of lead octoate, 4 parts of disodium hydrogen phosphate, 2 parts of dehydroactic acid sodium, dimethyl fumarate 3
Part.
4. the preparation process of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind, which comprises the following steps:
S1: choosing a weighing equipment, weighs stearmide and advanced raw polyol, and the stearoyl that weighing is obtained by weight
Amine and advanced raw polyol are placed in corrosion-resistant container, spare；
S2: by weight successively weigh PBT resin, glass fibre, antistatic agent, coupling agent, silicone oil, antioxidant, fire retardant and
Toughener raw material, and be placed in obtained raw material is weighed in corrosion-resistant container, it is spare；
S3: the PBT resin weighed described in S2, glass fibre and coupling agent raw material are launched into mixing plant and stirred
Processing is mixed, it is heated in whipping process, obtains the first mixture, it is spare；
S4: the antistatic agent weighed described in S2, coupling agent, silicone oil, fire retardant and toughener are launched to described in S3
The first mixture in, and carry out heating stirring processing, obtain the second mixture, it is spare；
S5: weighing described in S1 is obtained into stearmide and advanced raw polyol mixes, and is mixed object and launches into S4
It is stirred mixing in second mixture, obtains third mixture, it is spare；
S6: by the antioxidant weighed described in S2, lead octoate, disodium hydrogen phosphate, dehydroactic acid sodium, dimethyl fumarate,
Third mixture described in fire retardant and toughener raw material and S5 is launched into milling apparatus, is carried out heating to its mixture and is ground
Mill processing, obtains total raw material；
S7: a double-screw agitator is chosen, total raw material described in S6 is uniformly launched and is carried out into the double-screw agitator
Extruding pelletization processing, obtains PBT granular materials；
S8: carrying out low temperature drying processing to PBT granular materials described in S7, obtains the low organosilicon glass of the low fragrance and increases
Strong PBT material.
5. the preparation process of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 4, feature exist
In in the S1, when weighing higher alcohol, higher aliphatic chooses the mixture of isobutanol and isoamyl alcohol any proportion.
6. the preparation process of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 4, feature exist
In in the S3, when being stirred heating, mixing time is 40-60 minutes, speed of agitator is 150-180 revs/min, adds
Hot temperature is 40-60 degrees Celsius.
7. the preparation process of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 4, feature exist
In in the S4, when being stirred heating, mixing time is 30-60 minutes, speed of agitator is 130-150 revs/min, adds
Hot temperature is 60-90 degrees Celsius.
8. the preparation process of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 4, feature exist
In in the S6, when carrying out grinding heating, milling time is 30-60 minutes, grinding pressure 0.2-0.3MPa, heats temperature
Degree is 90-120 degrees Celsius.
9. the preparation process of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 4, feature exist
In in the S7, when carrying out extruding pelletization, 1 area's temperature of twin-screw is 220 DEG C, 2 area's temperature are 225 DEG C, 3 area's temperature are
240 DEG C, 4 area's temperature be 240 DEG C, 5 area's temperature are 245 DEG C, 6 area's temperature are 260 DEG C.
10. the preparation process of the low organosilicon fiber glass reinforced PBT material of the low fragrance of one kind according to claim 4, feature
It is, in the S8, when carrying out low temperature drying processing, drying time is 90-120 minutes, drying temperature is 5-15 degrees Celsius.
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| CN114000225A (en) * | 2021-10-08 | 2022-02-01 | 仪征市星海化纤有限公司 | Preparation process of PBT (polybutylene terephthalate) heat-preservation polyamide high stretch yarn |
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Cited By (1)
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| CN114000225A (en) * | 2021-10-08 | 2022-02-01 | 仪征市星海化纤有限公司 | Preparation process of PBT (polybutylene terephthalate) heat-preservation polyamide high stretch yarn |
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Application publication date: 20190517 |