IP Library Granted Patent US 11,472,925
Granted Patent B2
US 11,472,925 · App. 15/928,511 · Granted Oct 18, 2022

Silicone polymer

Inventors: Pranabesh Dutta (Bangalore, IN); Vinu Krishnan Appukuttan (Bangalore, IN); Sandeep Naik (Bangalore, IN); Anubhav Saxena (Bangalore, IN)
Assignee: MOMENTIVE PERFORMANCE MATERIALS INC.
C08G77/392A61K8/899A61Q19/00C08G77/38C08G77/52A61K2800/10C08G77/70C08G77/80
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Quick Facts
Patent No.
US 11,472,925
App. No.
15/928,511
Granted
Oct 18, 2022
Kind
B2
Abstract

Provided is a polymer of the formula: and compositions comprising the same. The polymers comprise a cyclic unsaturated group (Z 3 ) within the siloxane polymer backbone. The polymers have been found to exhibit good thermal conductivity and may find utility in a variety of applications.

Claims (14)

1. A polymer of the formula:

where R 1 -R 12 are independently chosen from a hydrogen, a C1-C10 monovalent hydrocarbon group optionally containing a hetero atom, a C6-C20 monovalent aromatic group, and a C4 to C30 monovalent saturated or unsaturated cycloalkyl group optionally containing a hetero atom, siloxy group containing 1-20 silicon atoms, —OH, —NH2, or —COOH;

Z 1 and Z 2 are independently chosen from a C1-C10 hydrocarbon group optionally containing heteroatom, —OH, —NH2, —COOH, or R 16 -A-R 17 — where A is chosen from a group comprising of a unsaturated cyclic group chosen from an aromatic group, a functionalized aromatic group, a fused aromatic group optionally containing a heteroatom, a unsaturated alicyclic group, a unsaturated heterocyclic group, or a combination of two or more thereof; R 16 and R 17 are independently chosen from a nil, C1-C10 hydrocarbon group, a C6-C20 aromatic group and a C4 to C30 saturated or unsaturated cycloalkyl group, wherein when one of Z 1 or Z 2 is R 16 -A-R 17 - then both Z 1 and Z 2 will not be R 16 -A-R 17 —;

Z 3 is chosen from —R 19 -A-R 19 — where A is chosen from

and R 19 is chosen from a C2-C10 hydrocarbon group, a C6-C20 aromatic group, and a C4 to C30 saturated or unsaturated cycloalkyl group; and

m is 1-100; x is 0-200; and y is 0-200, wherein x+y≥1; wherein the polymer is thermally conductive.

2. The polymer of claim 1 , wherein A in Z 1 and Z 2 is independently chosen from a C6 to C12 aromatic group; a C10-C36 fused aromatic ring group; a C4-C36 unsaturated alicyclic group; and a C4-C36 unsaturated heterocyclic group.

3. The polymer of claim 1 , wherein A in one or more of Z 1 or Z 2 , is chosen from a group of the formula -A 1 -R 18 -A 2 - where A 1 and A 2 are independently chosen from a C6 to C12 aryl group, C12-C36 fused aromatic ring group, a C5-C36 unsaturated alicyclic group, and a C5-C36 unsaturated heterocyclic group; and R 18 is chosen from a direct bond —(CH 2 ) n —, —C(CH 3 ) 2 —, —O—, —S—, —S(O) 2 —, —C(O)—, C(O)—NH—, —NH—C(O)—NH—, C(O)—O—, —CH═N—, or —CH═N—N═CH— where n is 1-10.

4. The polymer of claim 1 , wherein A in Z 1 , Z 2 , and Z 3 is

5. The polymer of claim 1 having a number average molecular weight of from about 1000 g/mol to about 50000 g/mol.

6. An automotive product, household product, paint, coating, laundry detergent, textile treatment, oil or gas product, fuel cell, electronic product, agriculture product, aerospace product, medical or health care product, membrane, construction product, adhesive, sealant, injection moldable and compression moldable rubber or plastic, or silicone based rubber, comprising the polymer of claim 1 .

7. The products of claim 6 selected from a light emitting device, a computer device, a stacked die, a mobile phone, a tablet, a flip chip package, a hybrid memory cube, a touch screens, a Wi-Fi device, an automotive technology hifi systems, a through-silicon via device, an audio system, a heat pipe, a water tank, a fuel cell, a wind turbine, a computer chip, a gaming console, a data transfer device, a light device, a battery, a housing, a cooler, a heat exchanging device, a wire, a cable, a heating wire, a refrigerator, a dishwasher, an air conditioning device, an accumulator, a transformer, a laser, functional clothing, a car seat, a medical device, a fire protection device, an electric motor, a plane, a train, a filament for 3D printing material, a drug delivery systems, a transdermal patch, a wound healing patches, a wound dressing patch, a patche for scar reduction, a transdermal iontophoresis, a scaffold for tissue engineering, an anti-microbial device, a wound management device, an ophthalmic device, a bioinsert, a prosthese, a body implant, a paint, a structural coating, a masonry coating, a marine coating, a seed coating, a superspreader or a controlled release fertilizer.

8. A personal care product comprising the polymer of claim 1 .

9. The personal care product of claim 8 in the form of an antiperspirant/deodorant, a shaving product, a skin lotion, a moisturizer, a toner, a bath product, a cleansing product, a shampoo, a conditioner, a combined shampoo/conditioners, a mousse, a styling gel, a hair spray, a hair dye, a hair color product, a hair bleach, a waving products, a hair straightener, a nail polish, a nail polish remover, a nail cream or lotions, a cuticle softener, a sunscreen, an insect repellent, an anti-aging product, a lipstick, a foundation, a face powder, an eye liner, an eye shadow, a blush, a makeup, a mascara, a moisturizing preparation, a foundation, a body and hand preparation, a skin care preparation, a face and neck preparation, a tonic, a dressing, a hair grooming aid, an aerosol fixative, a fragrance preparation, an aftershave, a make-up preparation, a soft focus application, a night and day skin care preparation, a non-coloring hair preparation, a tanning preparation, a synthetic and non-synthetic soap bar, a hand liquid, a nose strip, a non-woven application for personal care, a baby lotion, a baby shampoo, a baby conditioner, a shaving preparation, a cucumber slices, a skin pads, a make-up remover, a facial cleansing product, a cold cream, a sunscreen product, a spritzer, a paste mask and mud, a face mask, a cologne and toilet water, a hair cuticle coat, a shower gel, a face and body wash, a personal care rinse-off products, a gel, a foam bath, a scrubbing cleanser, an astringent, a nail conditioner, an eye shadow stick, a powder for face or eye, a lip balm, a lip gloss, a hair care pump spray, a hair-frizz-control gel, a hair leave-in conditioner, a hair pomade, a hair de-tangling product, a hair fixative, a hair bleach product, a skin lotion, a pre-shave and pre-electric shave, an anhydrous cream and lotion, an oil/water emulsion, a water/oil emulsion, a water-resistant cream or lotion, an anti-acne preparation, a mouth-wash, a massage oil, a toothpaste, a clear gel or stick, an ointment base, a topical wound-healing product, an aerosol talc, a barrier spray, a vitamin and anti-aging preparation, an herbal-extract preparation, a bath salt, a bath and body milk, a hair styling aid, a hair-, eye-, nail- and skin-soft solid application, a controlled-release personal care product, a hair conditioning mist, a skin care moisturizing mist, a skin wipe, a pore skin wipe, a pore cleaner, a blemish reducer, a skin exfoliator, a skin desquamation enhancer, a skin towelette or cloth, a depilatory preparation, or a personal care lubricant.

Assignments (10)
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (063213/0472) Recorded Oct 22, 2025
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 073168/0715 →
RELEASE OF SECURITY INTEREST Recorded Jul 18, 2025
From: KOOKMIN BANK NEW YORK BRANCH
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 072039/0906 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Recorded Mar 31, 2023
From: BNP PARIBAS
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 063259/0133 →
FIRST LIEN TERM LOAN PATENT SECURITY AGREEMENT Recorded Mar 31, 2023
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 063213/0472 →
RELEASE OF SECURITY INTEREST Recorded Mar 30, 2023
From: KOOKMIN BANK NEW YORK
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 063197/0373 →
SECURITY INTEREST Recorded Mar 30, 2023
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: KOOKMIN BANK NEW YORK BRANCH
Reel/Frame 063197/0475 →
FIRST LIEN TERM LOAN PATENT AGREEMENT Recorded Jun 5, 2019
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: BNP PARIBAS, AS ADMINISTRATIVE AGENT
Reel/Frame 049387/0782 →
SECOND LIEN TERM LOAN PATENT AGREEMENT Recorded Jun 5, 2019
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: KOOKMIN BANK, NEW YORK BRANCH, AS ADMINISTRATIVE AGENT
Reel/Frame 049388/0220 →
ABL PATENT AGREEMENT Recorded Jun 5, 2019
From: MOMENTIVE PERFORMANCE MATERIALS INC.; MOMENTIVE PERFORMANCE MATERIALS GMBH
To: CITIBANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 049388/0252 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 9, 2018
From: DUTTA, PRANABESH; APPUKUTTAN, VINU KRISHNAN; NAIK, SANDEEP; SAXENA, ANUBHAV
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 045475/0280 →