Polyamides having side chain pigments and related methods
A polyamide and pigment technology, applied in dyeing polymer organic compound processing, additive processing, etc.
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Embodiment 1
[0256] Hypothetical Example 1: Reaction with (3-glycidyloxypropyl)trimethoxysilane and from polyamide resin solution cross-linked 100 Silver Pearl Pigments
[0257] To a 2 L glass reactor equipped with an overhead mechanical stirrer and a heating mantle, add 100 g of 100 Silver Pearl pigment (available from E. Merck KGaA, Darmstadt, Germany) and heated to 40°C with vigorous stirring. The pH of the suspension was adjusted to 3.3 using 2.5% hydrochloric acid, and the temperature was raised to 75°C.
[0258] Subsequently, 3.0 g of (3-glycidoxypropyl)trimethoxysilane (commercially available from Millipore Sigma) was added over 10 minutes and the pH was kept constant using 2.5% hydrochloric acid solution. At the end of the addition, stirring was continued at 75° C. for 2 hours, during which time the silanes hydrolyzed and the resulting silanols associated with the inorganic pigment surface.
[0259]Subsequently, the system was adjusted to pH 8.0 while very slowly maintai...
Embodiment 2
[0262] Hypothetical Example 2: Reaction with (3-glycidyloxypropyl)trimethoxysilane and reaction with polyamide resin cross-linked Metallic Super Gold Pigment
[0263] To a 2 L glass reactor equipped with an overhead mechanical stirrer and a heating mantle, add 100 g of Metallic Super Gold pigment, product number N-2002S (available from Creation of Quality Value Company), and heated to 40° C. with vigorous stirring. The pH of the suspension was adjusted to 3.3 using 2.5% hydrochloric acid, and the temperature was raised to 75°C.
[0264] Subsequently, 3.0 g of (3-glycidoxypropyl)trimethoxysilane (commercially available from Millipore Sigma) was added over 10 minutes and the pH was kept constant using 2.5% hydrochloric acid solution. At the end of the addition, stirring was continued at 75° C. for 2 hours, during which time the silanes hydrolyzed and the resulting silanols associated with the inorganic pigment surface.
[0265] Subsequently, the system was adjusted to...
Embodiment 3
[0269] Hypothetical Example 3: Reaction with (3-glycidyloxypropyl)trimethoxysilane and formation of polyamide resin solution cross-linked 100 Sparkle Violet Pigments
[0270] To a 2 L glass reactor equipped with an overhead mechanical stirrer and a heating mantle, add 100 g of 100 Sparkle Violet R-706E pigment (available from Creation of Quality Value Company) and heated to 40°C with vigorous stirring. The pH of the suspension was adjusted to 3.3 using 2.5% hydrochloric acid, and the temperature was raised to 75°C.
[0271] Subsequently, 3.0 g of (3-glycidoxypropyl)trimethoxysilane (commercially available from Millipore Sigma) was added over 10 minutes and the pH was kept constant using 2.5% hydrochloric acid solution. At the end of the addition, stirring was continued at 75° C. for 2 hours, during which time the silanes hydrolyzed and the resulting silanols associated with the inorganic pigment surface.
[0272] Subsequently, the system was adjusted to pH 8.0 while...
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Abstract
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