36results about How to "Aggregation condition reached" patented technology

The invention relates to high temperature resistant polyamide and a synthesis method thereof. The high temperature resistant polyamide has the structure as shown in the specification, wherein a=10-200, b=10-200, c=10-200, and R is polyester amide. The high temperature resistant polyamide has better mechanical properties and heat resistance, low water absorption and excellent processability and has the characteristic of biogenetic derivation, so that the high temperature resistant polyamide can be applied to the fields of electronic appliances, LEDs, vehicles, aerospace, war industry and the like.

The invention discloses a rosin-base half alicyclic polyamide imide copolymer and a synthetic method thereof. According to the invention, maleopimaric acid dianhydride, 11- amino undecanoic acid and (1, 6) -hexanediamine, which are prepared by taking gum rosin and castor oil as raw materials, are added into stirring polymer reactor together, and the polymer reactor is vacuumized and then fed with inert gases; the polymer reactor is heated hermetically, the stirring rate of the polymer reactor is adjusted, then reactants are thermal insulated and pressurized, and the polymer reactor is released to normal pressure; the polymer reactor is heated once more, the stirring rate of the polymer reactor is adjusted, the polymer reactor is vacuumized continuously after reaching the constant temperature, the reaction is over, and the copolymer is obtained. The synthetic method disclosed by the invention is based on the fusion polymerization principle, and no organic solvent is used during the whole polymerization process, therefore, additional steps for recovering the organic solvent are avoided, and hazards on the human body and the environement are prevented. The polymerized polyamide imide copolymer has good thermal resistance, high-temperature rigidity, size stability and low water absorption, and can be applied to engineering plastics, membrane materials and the like.

The invention discloses long-carbon-chain semi-aromatic transparent nylon and a synthesis method thereof. The long-carbon-chain semi-aromatic transparent nylon has the structure shown in the formula I (shown in the description); in the formula I, a is equal to 10-100, b is equal to 10-200, c is equal to 10-100, d is equal to 10-100, and R is polyesteramide. The long-carbon-chain semi-aromatic transparent nylon has a relatively high mechanical property, relatively high transmittance, low water absorption and excellent processabilityand can be applied to the fields of peripheral mechanical parts and electrical mechanical parts adopting fuel and oil, precision optical instruments, pressure-resistant windows, observation mirrors, special lamp outer covers, food packaging films, high-end sport equipment and the like.

The invention discloses a synthesizing method for rosin-based semi-alicyclic polyamide-imide PA6I. Maleopimaric acid acyl chloride is prepared by using gum rosin as raw materials, and the maleopimaric acid acyl chloride is dried through vacuumization; the dried maleopimaric acid acyl chloride and 1,6-hexanediamine are put into a stirring-type polymerization reaction container, and inert gases are fed after the stirring-type polymerization reaction container is vacuumized; the polymerization reaction container is heated hermetically; after the stirring speed is adjusted, the polymerization reaction container is thermally insulated and pressurized, and the gases are discharged so as to obtain ordinary pressure; and under ordinary pressure, the polymerization reaction container continues to be heated, the stirring speed is adjusted, and the polymerization reaction container is continually vacuumized after constant temperature is obtained; and the rosin-based semi-alicyclic polyamide-imidePA6I is obtained after the reaction is over. The rosin-based semi-alicyclic polyamide-imide produced by the invention is environment-friendly material, and has the advantages of good heat resistance, high-temperature rigidity, dimensional stability, and low water absorption; the preparation technique is simple, and the polymerization process is convenient, so that control and industrialization are easily achieved; and the synthesizing process is melt polycondensation with no organic solvent and no danger to people and the environment.

The invention discloses bio-based transparent nylon and a synthesis method thereof. The bio-based transparent nylon has the structure shown in formula I as described in the description, wherein in the formula I, a is equal to 10-100, b is equal to 10-200, c is equal to 10-100, d is equal to 10-100, and R represents polyesteramide. The bio-based transparent nylon has the advantages that mechanical performance and light transmittance are high, the water absorption rate is low, the machining performance is excellent, biological sources are achieved, and the bio-based transparent nylon can be applied to the fields of surrounding mechanical parts and electrical and mechanical parts of fuel and oil, precision optical instruments, pressure-proof view windows, observation mirrors, special lamp outer covers, food packaging thin films, high-grade sports equipment and the like.

The invention discloses a bio-based long carbon chain transparent nylon and a synthesis method thereof. The bio-based long carbon chain transparent nylon has the following formula I structure: In formula I, a=10-100, b=10-200, c=10-100, d=10-100, R is polyester amide. The bio-based long carbon chain transparent nylon of the present invention has high mechanical properties and light transmittance, low water absorption, excellent processing performance and characteristics of biological origin, and can be applied to surrounding mechanical parts and electrical mechanical parts of fuel and oil, Precision optical instruments, pressure-resistant windows, observation mirrors, special lamp covers, food packaging films, high-end sports equipment and other fields.

The invention discloses bio-based long carbon chain transparent polyamide and a synthetic method thereof. The bio-based long carbon chain transparent polyamide adopts the structure in the formula I (shown in the description), wherein a=10-200, b=10-200, c=10-100 and R is polyesteramide. The bio-based long carbon chain transparent polyamide is relatively high in mechanical property and light transmittance, low in water absorption, and excellent in processability, has the biogenetic derivation property, and can be applied to the fields of fuel and oil surrounding mechanical parts and electric mechanical parts, precise optical instruments, pressure-resistant windows, observation mirrors, special lamp shades, food packaging films, high-grade sport instruments and the like.

The invention discloses a high-temperature resistant nylon and a synthesis method thereof. The high-temperature resistant nylon comprises a structure shown in the formula I, wherein a=10 to 100, b=10 to 200, c=10 to 100, d=10 to 100, and R is polyester-amide. The high-temperature resistant nylon is relatively high in mechanical property and heat resistance, low in hygroscopic coefficient, and excellent in processability, and can be applied to the fields such as electronic apparatus, LEDs, automobiles, aerospace and military industry.

The invention discloses a long carbon chain transparent nylon and a synthesis method thereof. The long carbon chain transparent nylon has the following formula I structure: In formula I, a=10-100, b=10-200, c=10-100 , d=10~100, R is polyester amide. The long carbon chain transparent nylon of the present invention has high mechanical properties and light transmittance, low water absorption, excellent processing performance and biological origin, and can be applied to surrounding mechanical parts and electrical mechanical parts of fuel and oil, precision optics Instruments, pressure-resistant windows, observation mirrors, special lamp covers, food packaging films, high-end sports equipment and other fields.

The invention discloses long-carbon-chain semi-aromatic transparent polyamide and a synthesis method thereof. The long-carbon-chain semi-aromatic transparent polyamide has the structure shown in the formula I (shown in the description); in the formula I, a is equal to 10-100, b is equal to 10-200, c is equal to 10-100 and R is polyesteramide. The long-carbon-chain semi-aromatic transparent polyamide has a relatively high mechanical property, relatively high transmittance, low water absorption, excellent processability and biologically-derived characteristics, and can be applied to the fields of peripheral mechanical parts and electrical mechanical parts adopting fuel and oil, precision optical instruments, pressure-resistant windows, observation mirrors, special lamp outer covers, food packaging films, high-end sport equipment and the like.

The invention discloses a biological based long-carbon-chain semi-alicyclic polyamidoimide copolymer and a synthetic method of the copolymer. Gum rosin and castor oil are used as raw materials, maleopimaric acid anhydride, 1,10-decamethylene diamine and 11-aminoundecanoic acid are respectively prepared and are added into a stirring type polymerization reactor, and inert gas is introduced after vacuum pumping; the polymerization reactor is sealed for heating, the stirring speed of the polymerization reactor is regulated, reactants are subjected to heat insulation and pressure maintaining, and the air is released to normal pressure; and then, the polymerization reactor is heated, the stirring speed of the polymerization reactor is regulated, and the continuous vacuum pumping is carried out after the temperature is constant, and the copolymer is obtained after the reaction completion. The synthetic method disclosed by the invention is based on the melt polymerization principle, any organic solvent is not needed in the whole synthetic process, so additional steps for recovering the organic solvents are not needed, and in addition, no toxicity is generated on human bodies and environment. The synthetic polyamidoimide copolymer has good heat resistance performance, high-temperature rigidity, dimension stability and low water absorption rate and can be used for engineering plastics or film materials and the like.

The invention relates to semi-aromatic polyamide and a synthesis method thereof. The semi-aromatic polyamide has the structure shown in the formula I (shown in the description); in the formula I, a is equal to 10-200, b is equal to 10-200, c is equal to 10-100 and R is polyesteramide. The semi-aromatic polyamide has a relatively high mechanical property, relatively high heat resistance, low water absorption, excellent processability and biologically-derived characteristics, and can be applied to the fields of electronics and electrical appliances, LEDs, automobiles, aerospace, military and the like.

The invention discloses a semi-aromatic transparent polyamide and a synthesis method thereof. The semi-aromatic transparent polyamide has a structure shown in a formula I, wherein a equals to 10-100, b equals to 10-200, c equals to 10-100, d equals to 10-100, and R is a polyester amide. The semi-aromatic transparent polyamide has high mechanical properties and transmittance, low water absorption and excellent processing performance, can be applied in the mechanical parts around the fuel oil, electrical and mechanical components, precision optical instruments, pressure-resistant windows, viewers, special light fixture housing, food packaging films, and high-end sports equipment.

The invention relates to a bio-based semi-aromatic polyamide and a synthesis method thereof. The bio-based semi-aromatic polyamide has the following structure of formula I: in formula I, a=10-100, b=10-200, c=10-100, d=10-100, and R is polyester amide. The bio-based semi-aromatic polyamide of the present invention has high mechanical properties and heat resistance, low water absorption, excellent processing performance and the characteristics of biological origin, and can be applied to the fields of electronic appliances, LED, automobile, aerospace and other fields. military field, etc.

The invention relates to a long carbon chain semi-aromatic polyamide and a synthesis method thereof. The long carbon chain semi-aromatic polyamide has the following formula I structure: in formula I, a=10-100, b=10-200, c=10-100, d=10-100, R is polyester amide. The long carbon chain semi-aromatic polyamide of the present invention has high mechanical properties and heat resistance, low water absorption, excellent processing performance and the characteristics of biological origin, and can be applied to the fields of electronic appliances, LEDs, automobiles, aerospace, etc. and military fields.

The invention relates to high temperature resistant polyamide and a synthesis method thereof. The high temperature resistant polyamide has the structure as shown in the specification, wherein a=10-200, b=10-200, c=10-200, and R is polyester amide. The high temperature resistant polyamide has better mechanical properties and heat resistance, low water absorption and excellent processability and has the characteristic of biogenetic derivation, so that the high temperature resistant polyamide can be applied to the fields of electronic appliances, LEDs, vehicles, aerospace, war industry and the like.

The invention discloses bio-based high-temperature-resistant polyamide and a synthesis method thereof. The bio-based high-temperature-resistant polyamide has the structure shown in formula I as described in the description, wherein a is equal to 10-100, b is equal to 10-200, c is equal to 10-100, d is equal to 10-100, and R represents polyesteramide. The bio-based high-temperature-resistant polyamide has the advantages that mechanical performance and heat-resistant performance are high, the water absorption rate is low, the machining performance is excellent, biological sources are achieved, and the bio-based high-temperature-resistant polyamide can be applied to the fields of electronic electric appliances, LEDs, automobiles, aviation, aerospace, the military industry and the like.

The invention discloses long carbon chain transparent polyamide and a synthesizing method thereof. The long carbon chain transparent polyamide has the structure shown in the formula I (please see the formula in the specification). In the formula I, a ranges from 10 to 100, b ranges from 10 to 200, c ranges from 10 to 100, d ranges from 10 to 100, and R is polyesteramide. The long carbon chain transparent polyamide has high mechanical properties and light transmittance, a low water absorbing rate, excellent processing performance and characteristics of biogenetic derivation, and can be applied to surrounding mechanical parts and electric machine parts of fuel and oil, precise optical instruments, pressure-resistant windows, observation mirrors, special lamp covers, food packaging films, high-grade sports instruments and other fields.

The invention discloses long carbon chain transparent polyamide and a synthesizing method thereof. The long carbon chain transparent polyamide has the structure shown in the formula I (please see the formula in the specification). In the formula I, a ranges from 10 to 100, b ranges from 10 to 200, c ranges from 10 to 100, d ranges from 10 to 100, and R is polyesteramide. The long carbon chain transparent polyamide has high mechanical properties and light transmittance, a low water absorbing rate, excellent processing performance and characteristics of biogenetic derivation, and can be applied to surrounding mechanical parts and electric machine parts of fuel and oil, precise optical instruments, pressure-resistant windows, observation mirrors, special lamp covers, food packaging films, high-grade sports instruments and other fields.

The invention discloses long-carbon-chain semi-aromatic transparent nylon and a synthesis method thereof. The long-carbon-chain semi-aromatic transparent nylon has the structure shown in the formula I (shown in the description); in the formula I, a is equal to 10-100, b is equal to 10-200, c is equal to 10-100, d is equal to 10-100, and R is polyesteramide. The long-carbon-chain semi-aromatic transparent nylon has a relatively high mechanical property, relatively high transmittance, low water absorption and excellent processabilityand can be applied to the fields of peripheral mechanical parts and electrical mechanical parts adopting fuel and oil, precision optical instruments, pressure-resistant windows, observation mirrors, special lamp outer covers, food packaging films, high-end sport equipment and the like.

The invention discloses long-carbon-chain semi-aromatic transparent polyamide and a synthesis method thereof. The long-carbon-chain semi-aromatic transparent polyamide has the structure shown in the formula I (shown in the description); in the formula I, a is equal to 10-100, b is equal to 10-200, c is equal to 10-100 and R is polyesteramide. The long-carbon-chain semi-aromatic transparent polyamide has a relatively high mechanical property, relatively high transmittance, low water absorption, excellent processability and biologically-derived characteristics, and can be applied to the fields of peripheral mechanical parts and electrical mechanical parts adopting fuel and oil, precision optical instruments, pressure-resistant windows, observation mirrors, special lamp outer covers, food packaging films, high-end sport equipment and the like.